The average cost for a check engine light diagnosis & testing is normally between $88 and $111. The superb news, Audi North Atlanta offers complimentary multi-point inspections and free diagnostics, in most cases, to help represent the cause of your check engine light. 2016 Audi A4 Check Engine Light Codes
P0300 is a generic OBDII code that can occur with the Audi A4. This code indicates that your car's engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the
Clear your A4's DTC codes with a scanner. Start the engine and wait for the check engine light to come back on. If it changed to a different P030X code, the plug was bad. If nothing changed, do this for the coil packs and plug wires (if equipped). If the code stays P0304, you've ruled out the most common causes of this code. 2. Diagnosis
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
How to clear check engine light codes I fixed my 1998 Audi A4 with 2.8l 30v and I can't seem to get the check engine light off by disconnecting the battery. Can anyone give me info on how to clear codes. My scanner won't connect to the car either. Thank you Reply Like 08-21-2021, 05:24 PM # 2 4Driver4 Tech Guru Join Date: Oct 2002 Posts: 34,400The EPC light often shows up together with the Engine, ABS, or ESP Light, depending on where the problem is.The Electronic Power Control system is monitored by the engine control unit, brake control unit, transmission control unit, and steering control unit.. The EPC system is Volkswagen Group's traction control system, and therefore you will also find the EPC system in Audi, Skoda and Seat OFHfxg.
