hEY:
I own a 2001 A4 (1.8T Q) 5 speed

When I am idling, every once and a while, the engine will "buck" when it "bucks" the tach drops about 100 rpms then it goes back to normal. It's like a hiccup!

It's botherong the hell out of me.

Any solutions or ideas?

Mrbear

If you have no codes and have done normal maintenance,
try Seafoaming.

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2001 A4 1.8T Q Casablanca White, Tip, ESP, Xenon and Premium

What exactly is seafoaming?

MrBear

http://www.audizine.com/forum/showth...threadid=62927

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2001 A4 1.8T Q Casablanca White, Tip, ESP, Xenon and Premium

Does this usually happen on cold starts? Can u scan and post any faults on here?

It does not happen only during cold starts. I have an ODB II "pocket scan" and I will try to run a test and post the findings.

Thanks a million,,,

Ted

might wanna check spark plugs or ignition coils mine did that a little bit then got really bad

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2001 s4
15%/5%, TINT, SAMCO tbb, GIAC ,SSA catback/downpipes/testpipes, CC mod, PODI