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#1
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A4 engine revs
My 1994 manual Audi A4 1.8 has just developed a problem - The engine revs
at park constantly fluctuate between 1500 rpm and 3500 rpm approx. When i try to drive the revs rise to to no more than 3500 rpm and then die away to 1500 rpm, meaning i cannot accelerate. This ocurs in each gear. The AA man suspected an air flow meter and/or engine management fault. Has anybody any ideas on the cause of the fault? |
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#2
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"Emoor" > wrote in message
lkaboutautos.com... > My 1994 manual Audi A4 1.8 has just developed a problem - The engine revs > at park constantly fluctuate between 1500 rpm and 3500 rpm approx. When i > try to drive the revs rise to to no more than 3500 rpm and then die away > to > 1500 rpm, meaning i cannot accelerate. This ocurs in each gear. The AA > man suspected an air flow meter and/or engine management fault. Has > anybody any ideas on the cause of the fault? Could be a lot of things.... Might be a sensor problem of some kind. Also could be a vacuum leak. Suggest you start by checking vaccum hoses & looking for splits etc. You might also try cleaning the throttle body. A MAF sensor would be a likely candidate as these do have a habit of failing & would be a good place to start - not the cheapest thing in the word though. Its less likely that the EM system itself is at fault, more that its being fed duff information. |
#3
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Thanks very much for the feedback, I will have a check of the hoses and
throttle body. |
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