idle high then low
06-09-2005, 06:33 PM
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i had that same problem on my 98 civic ex (sohc engine)..
check the vacuum lines on manifold(mine was too small, engine would struggle and tried to adjust to the lacking vacuum (idling up and down)
check the vacuum lines on manifold(mine was too small, engine would struggle and tried to adjust to the lacking vacuum (idling up and down)
06-10-2005, 03:01 AM
#3
LEVEL UP
06-10-2005, 08:30 AM
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An engine with a lot of air in the coolant system will do this, too. Do you have a bad head gasket? Do you keep having to top off your radiator, and then your overflow tank keeps filling?