The check engine light will be on with the code "P2002." The light may stay on or light intermittently as the DPF regenerates. Audi A4 P2002 P2453 P2454 Engine management light Hi, can someone please help me. I have an Audi A4 tdi 2.0 2010z Engine management light of my car came on-when took it to local garage just to do diagnostics it came

Aside from an illuminated check engine light, here are some other symptoms related to the code: Low engine idle speed; Stalling; Rough Engine Idle; Engine may idle erratically (in some cases) How to Diagnose the P0506 Code. Diagnosing the P0506 code may seem challenging, given that there are several reasons that could trigger this code.
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18 Answers. Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. So, the first step is to determine if there is an actual engine rod Hello everyone. I have audi a6 3.0 tdi quattro Since i bought the car i had a problem with the engine management light,code was air intake monifold runner or some like that so i decide to change flaps £ 125 whole kit from ebay i change it but problem still .i went to local garage o scan the code they found the same fault.
The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal to the engine control module that the air-fuel mixture is too lean to be corrected. The O2 sensors have the ability to correct a fuel mixture of +-15%. If it needs to be corrected more than that, the P0171 code will be stored.
The car has roughly 60,000 miles on it. About 5,000 miles ago, the check engine light came on and I scanned the OBD port with a scanner. The code that came up was P2181 Coolant System Performance. A lot of folks suggested replacing the coolant temp sensor. Audi seemed to think that the car has Two Sensors - a gray and green.
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audi a4 check engine light codes