Question about 1998 Audi A4
When cold you start the car it starts up fine. it runs for about 30sec-1min then stops suddenly. it sometimes starts straight away, runs for about 30sec then stops.won't be able to restart for about 15-20min. i have changed the crankangle sensor,still the same problem.i have had the ecu chip checked,still the same problem.i have pulled the cover off the fuel pump relay and watched the contacts and noticed that as it starts to cut out the relay starts dropping out then in then out and then the car stops.
Obvious solution might be to change the relay, however here's a suggestion. When you see the relay starting to fluctuate manually hold it in the closed position to see if car still cuts out. If it does you're more that likely looking at an ignition problem as the relay needs a signal from the ignition to let it know the engine is running. If it doesn't cut out try another relay first.
Cheers John (Scotland)
Posted on Jan 03, 2009
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Posted on Jan 02, 2017
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