Indicator Light (MIL) in the instrument cluster alerts the driver to the fault and the need to have the system checked for fault codes. These codes follow a standard format and are known as Diagnostic Trouble Codes (DTCs). DTCs are assigned two codes. The first code is a numerical code assigned by the factory. The second code is referred to as
One of the easiest to checkbut you will get a CEL (Check Engine Light). All you have to do is disconnect the MAF and give it a test drive. If power is same or improved, replace. Read this thread for one example P1556 Limp Mode Diagnosis Problems - TDIClub Forums Vacuum Leaks Most problems with the turbos are simple leaks in the vacuum lines.
Your Passat’s engine needs air, fuel, and spark to achieve optimum ignition . When one or more of these variables is off, it can lead to a rough idling condition. Fuel – The ideal air-to-fuel ratio is 14.7 parts air to one part fuel. Air – The air entering your car’s engine must be metered by the MAF or MAP sensor.

According to the other thread, I think the updates were only done to the 8.5 files. P0068 - I had the same issue with my B8 S4 at 50K miles. All I did was clean the throttle body, reset the code and the check engine light went away. You can search up tutorials on how to clean the throttle body.

To perform an adblue reset in a 2014 vw passat tdi, turn the ignition to on without starting the engine. Push down on the gas pedal and keep it down until you see the glow plug illuminate again. Wait for it to stop blinking and turn off the ignition. Wait 10 seconds, turn the ignition back to on and press the gas pedal down two times. VW Passat B8 Saloon (3G2, CB2) maintenance and PDF repair manuals with illustrations. How to change headlight bulb on VW Passat B8 Saloon (3G2, CB2) – replacement guide. Free download PDF. 1.48 MB. How to change engine oil and filter on VW Passat B8 Saloon (3G2, CB2) – replacement guide. Free download PDF. FqzxOD.
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