Question about Audi Cabriolet

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Audi 2.6 1998 convertible idle problem revs at 1500 even when warm & engine humps, had 2 mechanics look into it cant solve it. Does not happen all the time. This is not an automatic.Can you please help.

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Perform Throttle Relearn' with scanner. If relearn shows 'Failed' or 'Not Completed', possible the throttle body is bad. Not unusual for early T/B to fail in this manner.

Do not return to those two mechanics. Any decent import or Audi mechanic will have seen this before. Sometimes cleaning the throttle bore and plate will resolve this problem. Your freindly local parts store ( FLAPS.) will have throttle body cleaner on the self and then all you need is an old tooth brush and some cloth.

Posted on Nov 02, 2013

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SOURCE: suzuki vitara 1991 model petrol

There is a module called "idle limiter". Sounds as if it is bad!

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A small exhaust leak can sound like a ticking noise during acceleration and can get better or worse as the system heats up. I had a similar problem when the engine was cold that was solved with a new exhaust manifold gasket.

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SOURCE: when I start the engine from cold it runs on high revs too long

Hi ..... This sounds as if it's fitted with an automatic choke, as long as the revs drop when it's warm there is nothing to worry about. The indication when these start to go wrong is that the car won't start when cold ................ even then any decent mechanic can fit a normal/manual choke.

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SOURCE: Golf mk4 engine cuts out while idle

sounds like a bad body ground look for a ground wire from the motor to body remove and clean threads clean ground small wire that comes off big ground at batt also let me know ok tell fixya bout me

Posted on May 24, 2009

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I have a 1989 Mazda 323, when cold engine idles very high, when very cold it idles so high that rev limiter kicks in, and it revs up, limiter kicks in, revs up limiter kicks in, once it warms up idle drops...


Have it looked at by a dealer,iam not sure here but i think you have a vacumn leak like the feed pipe to the servo split but really you need a mechanic who works on these cars day in day out and they will go straight too the problem for you

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Revs.
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There is a long list of things that could cause intermittent jerking. I'm going to name all of them for you, but your best best would be to go to a mechanic and have them do an inspection.
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Faulty O2 Sensors (possibly)

Clogged Catalytic Converter (Possible)
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Hi ..... This sounds as if it's fitted with an automatic choke, as long as the revs drop when it's warm there is nothing to worry about. The indication when these start to go wrong is that the car won't start when cold ................ even then any decent mechanic can fit a normal/manual choke.

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I have a similar problem which seems to stop ,if after 20 mins of driving or warmed up engine if you stop for 10 mins the revs die to a more normal 1500 revs! it is a spanish car now living in theUK I think the problem is choke related.

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