Questions & Answers for: erratic idle audi

...erratic idle that swings from 500 to 1200 rpms. While cruising, at a constant speed the engine runs fine for a bit, then momentarily cuts out. The Check engine light is on. The Vag codes are as ...

erratic noise, when I let go of the gas and it comes back down to idle it sound like it wants to back fire. I have checked all the coil packs and they are working fine. Is this a transmission problem?

...will have a water pipe in and out (two pipes) try changing that ,also it will cause the idle to be ...

Audi Quattro V6: changed battery this a.m. but now stalls at idle and shifts erratically. No power at all. Tried driving it for an hour to let ECM re-learn, but no luck. Thanks, Mike. MOST OF THE TIME

my A4 turbo keeps stalling smokes & idles erratically my A4 turbo keeps stalling. it idles erratically and the check engine and epc lights are on. Now it starts but is spewing smoke out of the ...

...idle is somewhat erratic and sometimes the car sort of jerks back and forth as i drive. I had it scanned and the error code was PO335 crankshaft position sensor. If i get it replaced will this solve ...

erratic idle audi OK I HAVE A 98 AUDI A4 1.8T MANUAL THE ROBLEM IS THE ALTERNATOR WIRE GOING TO THE IGNITION SWITCH FRIED I REPLACED THE WHOLE WIRE CAR STARTED UP AND IDLED FINE. TOOK IT AROUND THE ...

...AUDI A4 1.8T 2011 MY EMMISION LIGHT WENT ON AND I DONT HAVE OIL READINGS CAN I STILL DRIVE THE CAR LIGHT WENT ON IDLING ERRATIC No I would not crank the car. If you do not have oil pressure reading ...

Erratic idling I just replaced the fuel pump on my 1988 Audi 500e, Now the car won't idle properly, I have to pump the accelerator to get the revs up. At traffic lights I have to keep the revs up to ...

Audi A4 (170) where the engine revs are fluctuating when it is idling. No issues noted while driving with engine over 1400 Rpm. any ideas ? Sometimes the car nearly cuts out at idling with the erratic