my car makes looping noise when car is in idle. i change the wires ,cap ,rotor,spark plugs,idle air control valve.can u please help me?
Dec 12, 2008 at 9:26 AM
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MMPRINCE4000
CAR REPAIR CONTRIBUTOR
8,548 POSTS
Check mechanical timing on distributor with timing light.
Inspect timing belt for broken cogs/looseness.
Also check fuel pressure with a mechanical gauge.
If equipped with EGR, remove and clean the EGR valve pintle and passage in intake manifold.
Dec 13, 2008 at 10:00 AM
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