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Fluctuating RMP on Petrol

Fluctuating RMP on Petrol

Car - Civic EXi 2002.


Problem - the RPM fluctuates between 500 - 2000 on petrol every few seconds when idle.

In simple words, I start the engine, the RPM rises to 2000, then drops to 500 in 2 seconds, then after 2 seconds rising to around 2000, then to 500. And this continues to happen.

It happened suddenly.





Please help!
Gari.pk User 10751 asked on 30 Oct 2010 11:10:29 am
1 Answer
283 views |
Samar - on 30 Oct 2010 11:11:23 am
Check the vacuum lines.. the throttle position sensor.. Check engine light is on?
 

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