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Re: 1989 Audi 90 Q rough Idle
Could be plug wires but I rather doubt it. Sounds more likely that you
have a vacuum leak somewhere. There are LOYS of vac hoses on this engine.
If they haven't been replaced, they most likely need to be.....
At 03:39 PM 9/10/1998 , Anthony Attard was inspired to say:
> I have an idle problem with my 1989 Audi 90 Q. It idles at about 850
to 900 revs.
> OK, but it feels like it is missing every now and then. The problem is
> enough to stall the engine, but it is not as smooth as it used to be
> problem appeared out of nowhere, (or so it seems). I have already
> idle stabilizer valve, so I know that my problem is not the idling
speed, but rather
> the roughness of the idle. I have used a couple of bottles of
> thinking it may be dirty injectors. It helped a wee bit, but not much.
> replaced the air filter, plugs and distributor cap and rotor button, but
not the spark
> plug leads. Could the spark plug leads be the problem?? The engine
> well, stationary and under load. I am baffled.
88 90Q - <insert pithy witticism here>
88 Golf GTi - PRO Rally