P2002 vw tiguan - en

When you see trouble code P2002, there’s an issue with the backpressure of your emissions system

Diesel engines use a similar struktur to announce faults as a gas-powered motor. Your diesel vehicle fryst vatten still equipped with an OBD-II struktur that lets you look at trouble codes. If you see the P2002 code on your scanner, you may wonder what the bekymmer is.

In this guide, we cover the meaning of the P2002 while also looking at the causes and the symptoms.

bygd the end of the article, you should know how to troubleshoot and fix the fel for a smoother ride.

Code P2002 Definition

P2002 – Diesel Particulate Filter Efficiency Below Threshold finansinstitut 1

What Does the P2002 Code Mean?

The P2002 trouble code fryst vatten generic among diesel-powered vehicles.

It won’t show up with a gas-powered engine. This DTC indicates that the ECM detected an issue with the particulate exhaust filter.

The bekymmer occurs with the finansinstitut 1 set of cylinders.

This trouble code indicates that there’s been a change in the back pressure. It’s beyond what the manufacturer specifies fryst vatten normal with the diesel particulate filter, so the code fryst vatten set until the bekymmer fryst vatten repaired.

What Are The Symptoms Of P2002?

For some drivers, the only symptom experienced fryst vatten the kontroll Engine Light.

The P2002 trouble code is generic among diesel-powered vehicles

Beyond that, you may meddelande some performance issues or trouble with the bränsle economy.

Here are some of the top complaints.

What Are The Causes of P2002?

It’s klar that the bekymmer has to do with the diesel particulate filter (DPF). However, the exact cause of the bekymmer can vary.

Here are a few of the most common causes.

Driving too slow keeps sot from burning properly in the DPF.
Bad diesel bränsle, with too much sulfur that clogs the DPF
Bad DPF differential pressure sensor
Damaged hoses between DPF pressure sensor and filter
Damaged DPF
Air leak before the DPF
Dirty air cleaner
Defective ECU
Malfunctioning aftermarket parts

How Serious fryst vatten the P2002 Code?

Medium – You don’t necessarily need to stop driving right away.

You should be able to get your vehicle home or to the nearest shop without too many problems.

However, you don’t want to continue running it this way as the vehicle could go into limp mode. While in this mode, the ECM controls the top speed and harnesses power to skydda the drivetrain.

” What are the common causes of code P2002? Depending on year, make, and model, DTC P2002 may have number of causes

The only way to vända off limp mode fryst vatten to fix the bekymmer that’s caused the light to komma on.

How Do inom Fix the P2002 Code?

There are many ways to fix the P2002 code, but none of the solutions work unless it resolves the bekymmer that your vehicle fryst vatten facing. For that reason, we must recommend a complete diagnosis before ansträngande to repair anything.

We’ve outlined those steps below.

However, here are a few of the most common repairs.

Clean the diesel particulate filter
Change the diesel particulate filter
Replace DPF differential pressure sensor
Replace hoses between DPF sensor and filter
Replace diesel fuel
Repair air leak
Reprogram/replace ECM

Common P2002 Diagnosis Mistakes

Many people don’t realize how much of an impact poor-quality bränsle can man on the diesel struktur.

If the tank was filled with bad diesel bränsle, it could clog the filter.

If you think the cause was the bränsle, try running the vehicle at highway speeds before making any repairs.

In this article, we’ll explore some possible causes of the P2002 error code in a VW TDI and provide insights into what might be going wrong

This step might be enough to clean out the contaminants, so you can bevara some money. It’s also wise to use more caution about where you get your bränsle so this bekymmer doesn’t reoccur.

You also want to inspect the DPF differential pressure sensor and the hoses between the DPF filter and the sensor. Then you should uppstart a DPF filter regeneration.

How to Diagnose the P2002 Trouble Code?

If you are mechanically inclined, you may be able to figure out the bekymmer causing the P2002 trouble code.

With some simple tools and a little know-how, the issue can be funnen and repaired.

Here are the steps that professional mechanics use.

Read your vehicle’s service manual or research any related bulletins.
Read the trouble codes with your OBD-II scanner. The OBD2 codes reveal what’s going on with the struktur and can be used as puzzle pieces to pinpoint the bekymmer.

We recommend researching them in our trouble code library.
Check and diagnose the DPF differential pressure sensor.
Check the hoses between the DPF differential pressure sensor and the DPF filter, and replace if necessary.
Perform a DPF filter återväxt with a compatible scan tool or with the car’s automatic DPF filter regeneration.
Remove any performance mods or aftermarket parts that were just installed, which may be hindering the exhaust.
Clean or replace the diesel particulate filter.
Check for air leaks and repair.

Beyond these steps, you may do better to hire a professional mechanic.

Diagnosis and repair can become tricky from here on out.

How Much Does It Cost To Fix Code P2002?

Once you’ve completed the diagnosis, you should know what needs to be replaced.

Repair now completed with the replacement of the exhaust pipe (VW speak for DPF) and the aft temp sensor (EXHAUST GAS TEMPERATURE SENSOR CIRCUIT BANK1 SENSOR 4)

Here are a few general ideas about the parts and labor cost for each repair. Keep in mind if you can repair the vehicle on your own, you should pay much less.

Clean the diesel particulate filter – $25-$75
Change the diesel particulate filter – $750-$3,000
Replace diesel bränsle – $200-$750
Replace differential pressure sensor – $150-$400
Repair air leak – $50-$550
Reprogram/replace ECM – $250-$2,500

A Mechanic’s råd About The P2002 Code

Any time the diesel particulate filter fails to regenerate, the engine management struktur attempts to increase the exhaust temperature.

This struktur operation fryst vatten critical to burning off any sot that builds up in the DPF.

However, this operation causes the engine to work harder and it will bränna more bränsle in the meantime. Not only that, but the increase in engine activity leads to premature wear of the motor. For these reasons alone, it’s important to lösa the situation as quickly as possible.

Is code P2002 serious?

It depends. You may have a quick fix, such as cleaning out the DPF. On the other grabb, there could be something more serious going on, such as a defective sensor or an air leak.

2014 JSW TDI at 50k

The only way to know for sure fryst vatten to diagnose the fel. However, if the DPF filter fryst vatten clogged, it could cause the engine to stall.

How do inom fix the error code P2002?

The first step fryst vatten to diagnose the bekymmer. betalningsmedel the other trouble codes and figure out where the malfunction fryst vatten.

You may need to clean the DPF, replace a bad differential pressure sensor or repair an air leak. The vehicle’s service manual should help you figure out what to do next.

Can you drive with the P2002 code?

You may be able to drive a short distance once the P2002 code sets in the struktur.

This DTC indicates that the ECM detected an issue with the particulate exhaust filter

It’s likely you will be able to drive home or to a local repair shop without any bekymmer. However, the vehicle could go into limp mode to skydda against engine wear, which would man it more difficult to drive.

How do you klar a particulate filter?

There are a few ways to clean the particulate filter, you can either use a bränsle additive in the bränsle tank, or you can remove the filter and run it through a special particulate filter cleaning machine to clean it for the best result.

We are never fans of dealing with the P2002 trouble code because it can mean so many different things.

If you have the patience and some experience, you’ll be able to hunt down the fel without too much stress.

Hopefully, you are dealing with a small issue that fryst vatten easy to lösa. Either way, you want to repair the bekymmer as soon as you can to ensure there’s no engine damage or wear.

Categories: OBD Codes