1990 Honda Civicsi Idling problem


Old 10-19-05, 06:19 PM
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1990 Honda Civicsi Idling problem

Changed the PVC valve ,Checked water in radiator,still Lobing{1000rpm-2500rpm} back and forth.
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Old 10-20-05, 04:21 AM
Join Date: Dec 2001
Posts: 2,538
check for a vacum leak you can use carb cleaner and spray around the intake manifold gasket throttle body and vacum hoses listen to the engine to see if you hear any change wich would indicate a vacum leak, it is a good idea to have a fire extinguisher near by when doing this just incase the carb cleaner ignites or catches fire.

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