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Old 05-23-2011, 05:06 AM
Lowell Lowell is offline
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Join Date: Mar 2011
Posts: 14
Default Idle problem

1 min. it sounds like it has a racing cam 500rpm the next time it high idle around 2200 rpm
I changed the air idle control valve and still have the problem
what next?
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Old 05-23-2011, 07:52 AM
mickblock mickblock is offline
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Default Re: Idle problem

Check the upper intake for vacuum leaks.
Do a fuel pressure test to see if pressure is dropping off. Connect it inline if you don't have a schrader valve.
Do a compression test to eliminate head gasket or worn camshaft.
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