Engine revs picks up when idling
6 Answers
vacuum leaks, throttle position sensor, idle air control valve, MAF.
77 people found this helpful.
My opel corsa engine revs goes higher when idling
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Change icv valve and tps or just clean it might be dirty
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ICV was very dirty, cleaned it with carb cleaner, but it made no difference.
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My 1.6 corsa lite the idle is very high and pour high percentage of petrol what can be a problem
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Replay coil ht leads icv tbc plugs checked all air pipes bus till very bad can't drive at low speed surgin but find more frequently in the first start up till engine warms up then settles down but idle up and down
24 people found this helpful.