Author Topic: A6 C4 2.3 miss fire under load fuel pump? AFM?  (Read 552 times)

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Offline driftwood

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A6 C4 2.3 miss fire under load fuel pump? AFM?
« on: January 27, 2015, 06:48:07 pm »
Hi my 1994 A6 5cylinder is giving me grief now !!
At low revs it runs fine, under load it splutters and coughs. it is in good condition (plugs leads cap, rotor and no air leaks) it has a new fuel filter and pump relay. I'm now suspecting either the pump (which I'm probably gonna change anyway because a new one is cheaper than getting the old one tested. the only other thing is the Air flow meter, Does anyone know how to check this out ???
Many thanks

Pete
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