My W reg Corsa b has developed a problem with its idle speed.
On start-up it idles at 1500 then if the throttle is depressed the revs start to fluctuate between 2500 and 3000.
The problem has started since I cleaned a gummed up throttle body and changed the air mass meter and idle speed control meter.
These were changed because of fault codes given by an OP-COM diagnostic tool.
What can I try?
Fluctuating RPM
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