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ECM control of Power Output Stage
Posted to Technical Discussion Forum on 2/11/2013 9 Replies

I have a 1999 Audi A4 Quattro 1.8T setting a P0303 with an obvious misfire. The #3 and #2 coils were swapped with no avail as a quick test, and the plugs were inspected and found to be visually good. Time for deeper testing.

I checked coil current for all th... Login to read more.

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car Vehicle Data

1999 Audi A4 Quattro 1.8L

Engine1.8 L
Trans5-speed Standard

car Vehicle Data

1999 Audi A4 Quattro 1.8L

Engine1.8 L
Trans5-speed Standard