Dd13 soot sensor location

Dd13 soot sensor location DEFAULT

Soot (PM) Sensors

Mansour Masoudi, Alexander G. Sappok

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Abstract: Various types of soot or particulate matter sensors have been developed to estimate the amount of soot in a diesel particulate filter or to detect excessive PM emissions downstream of a DPF in case of a filter failure. The estimation of soot mass in the filter largely relies on a differential pressure measurement, but other methods such as radio frequency (RF) sensors have also been developed. Sensors for DPF fault determination include accumulating type sensors using a resistive electrode, as well as electric charge based devices.

Classification of Sensors

Various types of soot sensors, also known as particulate matter or PM sensors, are used for the control and diagnostics of emission systems utilizing diesel particulate filters (DPF). Soot sensors have been developed for two main types of applications:

  • Estimation of the amount (mass) of the soot accumulated in a diesel particulate filter, in order to utilize accurate DPF regeneration strategies.
  • DPF failure detection which may result in excess PM emissions, to trigger an OBD fault signal.

An accurate estimate of a DPF soot mass allows devising a proper regeneration strategy (how often, when to start or stop a regeneration), while inaccurate estimates result in unsuitable regeneration timing. If the soot mass is over-estimated, too-frequent (excessive) regenerations take place, resulting in unnecessary fuel consumption penalty and rapid system wear-out, amongst other adverse effects. Conversely, under-estimating a DPF soot mass may cause excessive regeneration exotherms inside a DPF, inducing rapid aging, washcoat loss or DPF deterioration, or even a total DPF failure.

The other area of soot sensor application has been driven by advances in OBD regulations, especially those adopted by the California ARB/US EPA, as well as by the EU OBD requirements. These OBD regulations demand more diagnostic measures of the emission system, such as monitoring the DPF filtration efficiency and tailpipe PM emissions. While US emission standards are expressed in terms of particle mass, European regulations (Euro 5 & Euro VI) additionally include particle number (PN) limits applicable to diesel and GDI vehicles. Therefore, it may be desirable that sensors for EU applications be also capable of PN emission monitoring.

Various technology approaches have been employed to devise soot sensors for the above applications—DPF soot load estimation, DPF failure monitoring and PN emission monitoring. Based on the type of the sensing technology, soot sensors may be divided into four main types:

  • Differential pressure (∆P)—The DPF soot load is estimated from the increase in the filter pressure drop.
  • Radio frequency (RF)—The DPF load is calculated based on the absorption of a microwave signal by soot accumulated in the filter.
  • Accumulating electrode—A DPF failure is detected by measuring a change of electrical properties of an electrode due to a time-dependent soot deposition. Resistance is the electrical property most commonly used, and the corresponding devices are often called resistive electrode sensors or simply resistive sensors.
  • Electric charge—Particle charging methods are used to determine real time particle concentrations in the exhaust gas.

The above soot sensor technologies are summarized in Table 1. Sensors listed in the table (as well as those discussed in the following sections) include technologies at different stages of development—from R&D through proof-of-concept and validation to series production, as well as technologies that have been aborted and were never commercialized.

Soot sensor technologyApplicationExample developers
DPF soot mass estimateOBD
DPF failure monitoringPN monitoring
Delta-P (differential pressure)Bosch, Delphi, Continental, Sensata, EngineSens, others
Radio frequency (RF)GE, Amphenol Corporation, CTS (formerly Filter Sensing Technologies)
Accumulating electrodeBosch, Stoneridge, Continental, Delphi, Electricfil, Denso, NGK, Heraeus
Electric charge aPegasor, NGK-NTK, Emisense, Continental, Honywell
a Pegasor, NGK-NTK

This article focuses on soot sensors used in engine emission control systems—installed permanently on-board of a vehicle or otherwise in the exhaust system of an internal combustion engine. There is an overlap between on-board sensors and laboratory or portable emission analyzers. The same technology (for example, particle charging methods) can be used in on-board sensors and in laboratory instruments. Compared to laboratory equipment, on-board sensors are significantly smaller, but also less accurate. A research consortium by the SwRI that evaluated six soot sensors for OBD applications found that the accuracy was ±60% [3239]—quite an encouraging result, considering that the sensors were of the size of a spark plug and most of them were still pre-production prototypes.

A number of laboratory grade instruments for the measurement of various properties of particle emissions are discussed in the paper on in-situ methods of PM measurement.

###

Sours: https://dieselnet.com/tech/sensors_soot.php

A diesel particulate filter (DPF) differential pressure sensor measures exhaust backpressure and signals when the power-train control module (PCM) should begin a regeneration process to clear the filter of diesel particulate matter (DPM), or soot. The DPF differential pressure sensor plays an important role in keeping the DPF functioning properly. A clogged DPF is not only a costly repair, but it can have catastrophic consequences to your diesel engine as well. To understand how the DPF differential pressure sensor works, why it fails, and how to replace it when it does, let’s briefly discuss the DPF.

What is the DPF and how does it work?

As stringent emissions regulations increase to reduce emissions, diesel engines use an EGR valve to reduce NOx emissions and a DPF to remove soot from diesel exhaust. Installed near the beginning of the exhaust system, the wall flow design of the DPF traps on average 85% of the soot coming from the engine, and in certain conditions can even attain 100% efficiency. To keep the filter from clogging, the engine initiates a regeneration process by injecting fuel into the exhaust system. The injected fuel will raise the temperature of the DPF to 600 °C (or 1112°F) so the obstructing soot can burn off by converting it into ash. For some vehicles, PCM relies on data from the DPF differential pressure sensor to initiate the DPF regeneration process.

How does a DPF differential pressure sensor work?

The DPF differential pressure sensor is usually mounted in the engine compartment to protect it from heat. The sensor is connected to the engine control unit (ECU) by an electrical connector and connected to the DPF via two silicon hoses. One hose connects before (upstream) the DPF, the other connects after (downstream) the filter. By measuring and comparing the difference in pressure of the exhaust gas before and after the filter, the sensor can estimate the amount of DPM that is trapped in the filter and signal the PCM to start the DPF regeneration process. 

Why do DPF differential pressure sensors fail?

As with any electrical sensor in an engine, wires to the ECU can be damaged from harsh vibrations or crack and melt from extreme heat. And just like the DPF, the sensor hoses can also become clogged from soot in the exhaust. When diesel particulate matter blocks one or both of these airways to the sensor, the sensor can no longer determine pressure changes accurately, which can result in catastrophic damage to the DPF and ultimately the engine. 

What to look out for in a failing DPF differential pressure sensor

When the DPF differential pressure sensor stops signaling the PCM to regenerate, the DPF can become completely obstructed by contaminates and fail. Here are some signs that indicate the DPF is not regenerating properly due to the DPF sensor failing:

  • Poor engine performance 
  • Poor fuel economy
  • High engine temperatures 
  • High transmission temperatures
  • An increase in black smoke (soot) from the exhaust 
  • Check engine light

When the DPF fails, exhaust gases can not be fully purged as backpressure pushes exhaust back into the combustion chamber causing DPM or soot to mix with the engine oil. Soot is abrasive and when mixed with oil, will cause premature wear to the engine bearings. The fuel that should be escaping through the exhaust during regeneration will also only partially burn. This leftover fuel will then wash away the protective oil film on internal engine components and cause catastrophic failure. 

A DPF pressure sensor is vital to the longevity of the DPF, and if the DPF becomes completely obstructed, the regeneration process will not fix it. It will need to either be removed and professionally cleaned or replaced, both options on average costing thousands of dollars. Much more than the cost of diagnosing and replacing a faulty sensor before it’s too late.

Common fault codes

If your check engine light is turned on, here are the codes associated with a DPF sensor.

  • P2452: Diesel Particulate Filter Pressure Sensor 'A' Circuit
  • P2453: Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance
  • P2454: Diesel Particulate Filter Pressure Sensor “A” Circuit Low
  • P2455: Diesel Particulate Filter Pressure Sensor A Circuit High

Note: An exhaust leak can cause these codes to set.

How to troubleshoot a DPF differential pressure sensor

When troubleshooting engine sensors, it is recommended to look for any signs of visible damage first. Check all connections, starting with the sensor electrical connector, and look for any damage such as cracking or melting. Any damaged wires will need to be replaced. 

Next, inspect the hoses connected to the sensor. Again, look for any damage such as cracking or melting. If the hoses are damaged, they will need to be replaced and most likely rerouted so they are not damaged the same way again. If the hoses look to be in good physical condition, check for any blockage or clogs. If clogged, the hoses will need to be cleared or replaced. 

If everything passes physical inspection, you can test the DPF differential pressure sensor using a multimeter set to 20V and a pressure gauge.

  1. With the battery on and engine off, connect the multimeter ground to the negative battery terminal and run a quick plausibility by checking the voltage of the battery. It should be around 12.6 volts.
  2. Consult the manufacturer’s service manual to identify the signal, ground, and 5-volt reference and back-probe the wires.
  3. Turn the ignition switch on without starting the engine. The multimeter should (typically) display a voltage between 4.5 to 5 volts for the 5-volt reference, a steady 0 volts for the ground wire, and between 0.5 and 4.5 volts for the signal wire. Consult OEM factory service information for the exact specs on your vehicle. 
  4. Start the engine with the signal wire back-probed. 
  5. Rev the engine and notice if there is a change in voltage. If not, move on to test the connecting hoses with a pressure gauge.
  6. With the engine still running, remove the hoses from the sensor.
  7. Using a pressure gauge, measure the pressure of both hoses. For sufficient accuracy, use an exhaust back pressure gauge that measures 0-15 PSI. 
  8. Check the signal voltage again. The voltage should read a number between the pressure values of the hoses. For example, if the rear hose reads half PSI and the front hose reads 1 PSI, the voltage of the signal wire should read somewhere in the middle around .8 volts.

If your voltage differs greatly or the pressure values do not match the voltage reading, the DPF differential pressure sensor is faulty and will need to be replaced.

How to replace a faulty DPF differential pressure sensor

Before replacing a faulty DPF differential pressure sensor, consult the manufacturer’s service manual for instructions for any specific instructions. If you need more room to get under your vehicle, secure the back wheel and place jack stands to support the vehicle. 

  1. Locate the DPF differential pressure sensor mounted in the back of the engine compartment.
  2. Disconnect the electrical connector. 
  3. Remove any screws or bolts (sometimes Torx bolt) holding the sensor in place.
  4. Gently move the sensor out of the way to loosen the screw clamps holding the hoses.
  5. Before disconnecting the sensor, note which side fits to which hose.
  6. Compare the new and old sensors.
  7. Reconnect hoses in the same position to the new sensor. 
  8. Tighten the screw clamps on the hoses.
  9. Reinstall any screws or bolts that hold the sensor in place.
  10. Reconnect the electrical connector to the new sensor. 
  11. Double-check all connections to make sure everything is secured.

Important Note: After installing a new DPF differential pressure sensor, the sensor offset must be programmed into the ECU. 

Sours: https://www.delphiautoparts.com/gbr/en/resource-center/making-sense-your-sensors-dpf-differential-pressure-sensor
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How to fix and replace faulty bosch pm particulate matter soot sensor

Primarily, diesel particulate matter sensor has been developed to estimate the amount of soot in a diesel particulate filter or to detect excessive particulate matter emissions. PM sensor in mostly of motor vehicles and cars are fitted at upstream of the exhaust system before catalytic converters and DPF filter to get readings of soot coming out of combustion engine. It is also used as an input to initiate DPF regeneration at the optimal time to minimise nitrogen oxides, how much adBlue is required to inject via nozzle to destroy nitrogen oxides.

The particulate matter sensor enables diagnosis of the particulate filter. It is integrated into the exhaust tract, downstream of the filter, and the sensor function is based on resistance measurements. The sensor element is regularly regenerated by heating, and the diagnostic software uses the measured current to evaluate DPF functionality.

How does PM soot sensor work?

Based on multi layer ceramic sensor technology, an exhaust gas particle sensor for particulate matter (EGS-PM) has been developed by Bosch. The soot-particle-sensing element consists of two inter-digital comb-like electrodes (IDE) with an initially infinite electrical resistance, an internal heater and a positive temperature coefficient resistor for temperature measurement.

The sensor usually sits at upstream before the filter in order to read particulate levels in the exhaust. Soot particles present in the exhaust causes increased conductivity in the sensing circuit inside the sensor. When the sensor hits a certain conductivity threshold, it tells the engine management system that the filters need to do regeneration process and burn particulates.

The operation of the PM Sensor is based on the electrical conductivity characteristic of the diesel particulate. During the sensor operation, soot particles from the exhaust gas are collected onto the inter-digital electrodes and form conductive paths between the two electrode fingers leading to a drop of the electrical resistance based on the voltage being applied to the element. The measurement process continues until a preset current value is reached. Soot particles trapped in DPF are disposed off during a process called “regeneration” when the particulates are burnt off.

A controlled regeneration of the soot-detecting electrodes is conducted by heating the sensing element and burning off the deposited soot at temperatures above 600°C.On a properly functioning vehicle, regeneration will occur approximately every 500 miles but this is very substantially dependent on the vehicle and driving conditions.

Why particulate matter sensor error code is caused?

A cause of triggered error code related on PM sensor might be bad readings, faulty EGS-PM sensor unit, it was damaged, flooded, there is short circuit and so on.

It is recommended that the error should be fixed immediately otherwise it will cause damage to the diesel particulate filter and that will cost you thousands to fix.

To do check fault codes you don't need to visit dealer shop or buy expensive diagnostic tools, what you'll need is a smart phone which one we believe you have it already, good app for diagnostic and bluetooth OBD-2 OBD-II plug connector, which costs around 10USD, when you buy spare parts from us we'll recommend proper software, because not all apps work properly. There is no need to spend a fortune on diagnostic tools or visit car dealer for their expensive diagnostic.

What is Diesel Particulate Filter?

Unlike catalytic converter, DPF is not a flow through device; it is a soot trap that collects particulates from exhaust emissions. The exhaust gasses flow into the DPF but this particulate matter is too large to escape so is trapped within the DPF and regeneration stops. This usually happens when the engine is not running hot, such as in stop-and-go traffic and short trips. Clearing DPF for excessive soot accumulation is advisable in that case.

Adblue Technology

To enable regeneration in DPF, and avoid damage to the filter, adblue (DEF) fluid may be refilled for the exhaust cleaning. DEF Diesel exhaust fluid as known as AUS 32 and marketed as Adblue is a liquid used to reduce air pollution created by the diesel engine. If you own a diesel-powered car, NOx sensor or PM sensor is critical to the Adblue SCR system to ensure your vehicle is compliant with the laws. In newer models, this Adblue technology comes as a standard.

Since it is obvious that many DPF problems are caused by simply ignoring the warning “Check Engine” lights advising that the DPF needs to be regenerated, the most common reason for the failure of a PM sensor is that DPF has become too clogged with the soot to be able to regenerate and affected the performance.

How to Fix Particulate matter sensor?

Cleaning should resolve the error but if it doesn’t then replacing particulate matter sensor probe must fix this issue because sometimes it’s only the probe that has malfunctioned, to ensure you are buying and fixing correct part consulate with electrician or contact Xenons4U for an advice and spare parts.

Replacement sensor probe without ballast unit will save you a fortune, as new units are costing a fortune! Of course it might be that probe won’t fix faulty codes, as we have mentioned previously consult with professional electrician or contact us for advice.

However, you can take your vehicle to the dealer shop for the replacement, but do not expect to be cheap, as all dealer charges premium.

Fixing faulty sensor probes is a quick and easy procedure, as we can supply step by step guide how to fix and replace faulty bosch particulate matter pm sensor. However, Bosch PM sensor comes with a retaining screw for quick and easy installation. Let’s see how we can replace a faulty sensor probe step by step:

Before getting into replacement procedure, set your tools ready needed for the process which includes, scissor, electrical tape, and soldering iron. If parts were bought at xenons4u, you’ll get extra accessories to complete replacing process.

  • Remove the PM sensor out of your vehicle safely by getting under the vehicle
  • Gain a safe access to the sensor by pulling back the protective cover rubber and get it grabbed with an electrical tape.
  • Split the cables and connect the new probe cables with corresponding colors and solder each wire together to give them an additional strength.

We recommend that after replacing part a diagnostic test must be run to ensure that the error is resolved and the vehicle is working proper. Error cleaning may also be required for this code but only after installation of a new PM sensor to ensure car has adpoted new readings.

This guide may be applied to all brands of diesel and petrol cars which encounter error codes related to particulate matter sensor including Audi VW Skoda seat Mercedes-Benzes BMW Volvo daf siemensvdo continental Renault opal gm Vauxhall Citroen Peugeot and many other

If you are still not sure what could be wrong with PM sensor, just get in touch with us we will be more than happy to help you to fix malfunctioning sensors.

The most common fault codes and definitions:

  • P1478 - Particulate Matter Sensor Temperature Circuit High Voltage
  • P1478-00 P147800 Particulate Matter temperature sensor voltage too high
  • P118B Particulate matter sensor temperature sensor performance
  • P24D000 P24D0-00 Particulate matter sensor supply voltage circuit low voltage
  • P246C DPF Diesel Particulate Filter Restriction Forced Limited Power
  • P246C00(039) P246C00039 Diesel Particulate filter danger of clogging
  • P2463 P246300 Particulate filter soot content 1st soot impact stage reached
  • P24C6 P24C600 Particulate Matter Sensor Temperature Circuit
  • P24C6 Manufacturer control
  • 20133 - Particulate Matter Senosr
  • P24AE00(039) P24AE00039 - Electrical Malfunction
  • P24AE00 Particulate matter sensor circuit
  • P24AE00 Particulate matter sensor circuit high
  • P24C600 Particle Sensor temperature sender, electrical fault
  • P24C6:00 P24C600 particulate matter sensor temperature circuit fault
  • P24C600 Particulate matter sensor temperature circuit
  • P24C601 Particulate Matter Sensor Temperature Circuit General Electrical Fault

At Xenons4U you can buy exhaust gas treatment particulate matter sensors EGS-PM repair kits, also known as EGS-PM2.2, EGS-PM21 PMS (Particulate Matter Sensor).

Available repair kits for these part numbers below:

Kia Hyundai part numbers:

  • 39265-2F350 392652F350 0281006722/723
  • 39265-2A210 392652A210 0281006700/701
  • 39265-2F250 392652F250 0281006611/612
  • 39265-2A400 392652A400 0281006707/708
  • 39265-2F500 392652F500 0281007513/514
  • 39265-2A200 392652A200 0281006571/572
  • 39265-2A400 392652A400 0281006707/708
  • 39265-2F300 392652F300 0281006552/553
  • 39265-2A300 392652A300 0281006574
  • 39265-2A350 392652A350 0281006613/614
  • 39265-4A810 392654A810 0281006929
  • 39265-4A300 392654A300
  • 0281006613/614 0281006613614
  • 39265-2A350 392652A350

GM part numbers:

  • 55509682
  • 55487659 0281006925/926
  • 55501897
  • 55487677 0281006540 855608

Volvo part numbers:

Mercedes-benz part numbers:

  • A0009050508 0281007097/098
  • A0009050060 A0009053304
  • A0009053504 0281006669670
  • A0009058402 0281006352/353
  • A0009053404 A0009059401
  • A0009050608 A0009059601
  • A0009055109 0281007403/404
  • A0009050408 0281007095/096
  • A0009051008 EGS-PM1.1 0281007902/903
  • A0009051208

BMW part numbers:

  • 8582026-02 0281007229/230
  • 8582026-03 0281007690/691
  • 13628582026
  • 8596295-02 0281007235/236
  • 8596295-03 0281008472/473
  • 8582023-03 0281007680/681
  • 13628582023
  • 8517184-01
  • 8582025-01 0281006664/638
  • 8517454-01 0281006382
  • 8582024-02 0281007237/238
  • 8582025-03 0281007231/232
  • 8582025-04 0281007688/689
  • 8582024-01 0281006663/637
  • 8477723-01 0281007650/651 0281007650651
  • 13628477723 13628582025

Dodge mopar jeep part numbers:

  • 68352149AA 68404997AA 0281007126
  • 68323482AA 0281007260/212
  • 68299062AA 68250216AC
  • 68250216AD 68249512AD
  • 68352149AB 68201262AA
  • 68354201AB 0281007448/449
  • 68171189AA 0281006402

GMC part numbers:

Ford part numbers:

  • GC3A-5L239-AA 0281006658
  • JK4A-5L239-BA 0281007178
  • JC3A-5L239-CA JC3A5L239CA 0281007523
  • JK4Z-5L239-B GK4Z-5L239-A
  • FS71-5L239-AA
  • FC3Z-5L239-B FC3Z-5L239-A

Cummins part numbers:

  • 5461550 A056N688 0281007173/174
  • 5461552 A056N706 0281007167/168

VW AG Audi Skoda VAG part numbers:

  • 4N0906261A 04L906261H
  • 04L906261D 0281007003/004
  • 059906261D 04L906261F 059906261B
  • 4M0906261H 8K0906261A 4M0906261D
  • 4M0906261 05L906261 04L906261J
  • 04L906261B 0281006628629
  • 8W0906261A 0281006996997
  • 4M0906261C 0281006715716
  • 80A906261 0281006848/849 0281006848849
  • 04L906261K 0281007752753
  • 04L906261G 0281007405406
  • 4M0906261D 0281007003004
  • 03N906261B 0281007048049
  • 03N906261C 0281007088089
  • 4L0906261D 0281006410411
  • 4L0906261B 0281006628/629
  • 4L0906261F
  • 4K0906261 0281007050051
  • 4M0906261F 0281007020021
  • 05L906261D 0281007922923
  • 059906261 0281006491492
  • 8R0906261A 80A906261A 80A906261C
  • 8W0906261 03N906261A 8K0906261C
  • 4K0906261B 4M0906261N 4M0906261M
  • 4K0906261A

Porsche part numbers:

Land Rover Jaguar part numbers:

  • HJ32-5H310-AC HJ325H310AC 0281007266/267
  • FPLA-5H310-CC LR071752
  • 0281006773/774 0281006774
  • 0281006622 02T4A2625
  • HJ32-5H310-AD 0281007397/398
  • LR084315

Honda part numbers:

  • 36560-59N-G011-M2 0281007428/375

DAF 24V trucks lorries HGV part numbers:

  • 5461554 A056N722 0281007163/164
  • 2185906 2121308

Toyota part numbers

  • 894A0-60010 894A060010
  • 0281007494/495

Cars Trucks which are fitted in EGS-PM sensor:

  • Opel Vauxhall Zafira C P12 Tourer 1.6CDTi
  • Opel Vauxhall Cascada 1.6 2.0 CDTi
  • Opel Vauxhall Insignia MK2 B
  • Kia Soul MK2 1.6 CRDI
  • Kia Sportage MK4 IV 2.0 CRDi
  • Hyundai I40 2015 1.7 CRDi
  • Hyundai Santa Fe 2.2 CRDI
  • Hyundai E-County Commercial 2010 - 2016
  • Hyundai H350 2.5 CRDi
  • Hyundai H1
  • Kia Sorento MK2 SUV
  • Kia Ceed Pro i30 i40 Accent i20 Rio MK3 Active Venga ix20
  • Kia Rio MK3 III 1.4 CRDI
  • Volvo XC90 MK2 D5 Diesel 2017 2018 2019 2020
  • Mercedes-Benz A class W177
  • Mercedes-Benz B class W247
  • Mercedes Benz C class W205 S205 A205 C205
  • Mercedes Benz E class W213 S213 A238 C238
  • Mercedes Benz ML GLE W166 ML350
  • Mercedes Benz GLS X166 2012 - 2019
  • Mercedes Benz GLK X204 GLK250 2010 2011 2012 2013 2014 2015
  • Mercedes-Benz V class W447 Viano Vito
  • Mercedes-Benz Sprinter W907 W910 2018 2019 2020
  • BMW 3 series G20 G21 2017 2018 2019 2020
  • BMW 5 series G30 G31 518d 520d 525d 530d 540xDrive M550d xDrive
  • BMW 6 series G32 GT Gran Turismo
  • BMW 7 series G11 G11 LCI Facelift
  • BMW 7 series G12 G12 LCI Facelift
  • BMW 8 series G16 Gran Coupe
  • BMW 1 series F20 F21 LCI Facelift 116D 118d M-Sport 2014 - 2019
  • BMW 2 series F22 F23 LCI Facelift 220d 2014 - 2019
  • BMW 3 series F30 F31 LCI Facellift 2014 - 2019
  • BMW 3 series F34 GT LCI Facelift 2015 - 2019
  • 316d 320d 328xd
  • BMW 4 series F32 F33 F36 Gran Coupe LCI Facelift 2016 - 2019
  • 418d 420d 430d 435d
  • BMW 7 series F01 F02 740d
  • BMW 8 series
  • BMW X3 F25 2013 - 2016
  • BMW X3 G01 3.0d
  • BMW X4 F26 Mild Hybrid
  • BMW X5 F15 2013 2014 2015 2016 2017
  • BMW X5 G05 3.0d
  • BMW X6 F16
  • BMW X7 G07
  • Audi Q5 SQ5 FY 3.0 TDI
  • Audi Q7 SQ7 4M 4.0 TDI
  • Audi A4 B9 8W A5 F5 3.0TDI
  • Jaguar XF
  • Jaguar F-Pace
  • Land Rover Range Rover Velar L560 2.0L Diesel 2018 2019 2020
  • Land Rover Range Rover Evoque L538
  • VW Arteon Passat B8
  • Audi A6 C7 Q8
  • Audi Q7 4L Facelift 2010 2011 2012 2013 2014 2015 2016
  • Skoda Kodiaq 2.0 BiTDI CUA CUAA
  • VW Transporter T6 MK6 2016 2017 2018 2019 2020
  • VW Transporter Multivan Caravelle T6 MK6 VI 2.0 BiTDI
  • VW Campmobil
  • VW Touareg MK3 2018  2019 2020
  • VW Golf Sportsvan 2014 2015 2016 2017 2018 2019
  • VW Tiguan MK2 2016-
  • VW Amarok 2017-
  • VW Campmobil 2016-
  • VW Crafter 2E 2017 2018 2019 2020
  • Ford F250 F350 F450 F550 Super Duty Truck Pickup 6.7L 2015 - 2017
  • Honda Civic MK10 1.6 Diesel
  • Dodge RAM 1500 Clasisc Pickup Truck 2018 2019 2020
  • Dodge RAM 2500 3500 6.7L 2013 2014 2015 2016 2017
  • DAF XF106 HGV Lorry Truck 2015 2016 2017 2018
  • TOYOTA Land Cruiser Prado 150

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Sours: https://xenons4u.co.uk/blog/how-to-fix-and-replace-faulty-bosch-pm-particulate-matter-sensor/

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  4. Front Heat Shield
  5. Diesel Exhaust Fluid Dosing Unit
  6. Exhaust Outlet
  7. Exhaust Inlet
  8. Selective Catalytic Reduction (SCR Catalyst) Outlet Temperature Sensor
  9. Selective Catalytic Reduction (SCR Catalyst) Outlet NOx Sensor
  10. Selective Catalytic Reduction (SCR Catalyst) Inlet Temperature Sensor
  11. Selective Catalytic Reduction (SCR Catalyst) Inlet and Outlet NOx Sensors (microprocessor mounted)
  12. Diesel Particulate Filter Outlet Pressure Sensor Tube
  13. Selective Catalytic Reduction (SCR Catalyst) Inlet Temperature Sensor
  14. Selective Catalytic Reduction (SCR Catalyst) Inlet NOx Sensors
  15. 47-Pin Connector Harness
  16. Diesel Particulate Filter Outlet Pressure Sensor
  17. Diesel Oxidation Catalyst Inlet Pressure Sensor
  18. Sensor bridge.   SAVE MONEY ON FUEL FREIGHTLINER CASCADIAghg14-1-box-sensor-locations

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Soot location dd13 sensor

Freightliner Cascadia. Manual - part 31

1.

Check for leakage at the clamp that attaches the
exhaust pipe to the turbocharger exhaust outlet.
If leakage exists, tighten the nut on the clamp to
the required torque. If leakage persists, install a
new clamp.

2.

Check the exhaust pipe, bellows, and each ex-
haust seal clamp for leakage, wear, cracks, or
damage. Replace damaged components as
needed. If leakage exists at a clamp, tighten the
nuts to the required torque. If leakage persists,
install a new exhaust seal clamp. Do not reuse
seal clamps. Once a seal clamp is loosened or
removed, it must be replaced.

3.

If present, check the condition of the insulation
material around the exhaust pipe between the
turbocharger and the ATD.

4.

Check the ATD mounting bands for tightness.
Tighten to 30 lbf·ft (41 N·m) if needed. Do not
overtighten.

5.

Check for leaks around the clamps that attach
the ATD in the ATS, and around the clamps that
retain the DPF in the ATD.

6.

Check all sensors attached to the ATS for leaks
or damaged wires. No leaks are allowed. See

Fig. 1

,

Fig. 2

, or

Fig. 3

for Detroit Diesel ATS

sensor locations.

7.

Check the DPF exterior surface for dents or
other damage. A dent over 3 inches (76 mm) in
diameter and 1/4-inch (6-mm) deep could cause
internal damage to the DPF, causing it to
malfunction.

8.

Check the SCR catalyst for dents and other
damage.

9.

Check for heat discoloration on the surface of
the ATD. Heat discoloration may indicate internal
damage; especially around the DPF.

NOTE: Diesel exhaust fluid creeps, causing
white crystals to form around the line fittings.
The presence of crystals does not mean the
system has a leak. Replacing fittings or trouble-
shooting components is not necessary unless
there is a system failure or a fault code.

10. Check the DEF tank, pump, metering unit, and

lines for leaks. See Section 49.02 of the Casca-
dia

Workshop Manual for repair procedures.

11. Check any wires, lines, or hoses within 4 inches

(10 cm) of the exhaust system for heat damage.
Repair or reroute as needed.

Diesel Exhaust Fluid (DEF) Filter
Replacement

The Environmental Protection Agency’s 2010 regula-
tions require lower nitrogen oxide (NOx) exhaust
emissions. Selective catalytic reduction (SCR) uses
diesel exhaust fluid (DEF) to lower NOx emissions in
the vehicle exhaust. A filter in the DEF pump pre-
vents clogging of the DEF metering unit injection
nozzle.

See the engine manufacturer’s maintenance manual
for filter replacement instructions and maintenance
intervals.

EPA07 Exhaust System

Definitions of ATS Terms

Refer to the following list of definitions of ATS com-
ponents.

• Aftertreatment System (ATS)—the entire ex-

haust system from the turbocharger to the ex-
haust stack or tail pipe.

• Aftertreatment Device (ATD)—a muffler-like can-

ister that houses a DPF, DOC, and sensors.

• Clean Gas Injection (CGI)—a Caterpillar (CAT)

proprietary system that recirculates clean ex-
haust gasses back into the engine intake sys-
tem.

• Diesel Particulate Filter (DPF)—a filter that col-

lects and holds particulate matter (soot and
ash).

• Diesel Oxidation Catalyst (DOC)—oxidizes hy-

drocarbons and reduces NOx.

• Sensors—detect temperatures and pressures in

the ATS.

Inspection

To meet EPA07 emissions regulations for vehicles
domiciled in the USA or Canada, engines manufac-
tured after December 31, 2006 are equipped with an
emission aftertreatment system. Vehicles domiciled
outside of the USA and Canada may not have after-
treatment equipment, depending upon local statutory
emissions guidelines.

Exhaust

49

49/2

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DETROIT DPF OUTLET PRESSURE SENSOR PROBLEM PART#3/PROBLEMA DPF SENSOR DE PRESIÓN

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