Having problems with your Honda Prelude ?

What can cause revving after starting honda prelude 90? It just keeps revving up and down.

Posted / edited by AnonymousUser on : 10-12-2018

Answers :

A vacuum leak either from a hose or the intake rubber tube running to the throttle body. Any air that enter's the engine other than the throttle body, will cause this condition. This is the best case scenario, worst case would be an intake gasket.
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