1991 Jeep Wrangler "keeps revving engine" Questions

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Jeep wrangler idle when engine is cold? I have to keep revving engine until engine begins to warm up otherwise it stops running. Might be the coolant temperature sensor not sending it in to phase lock

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...keeps revving at a high level when idle. It behaves like this intermittently. You probably have a vacume leak,this is common with all vehicles!Check for vacume leaks with a spray bottle and soapy ...

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Question about Jeep Wrangler

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...keeps revving itself when stationary. I took it to Ford who changed the Lambda sensor, things have improved but it's still revving itself a bit and the engine warning light came back on within 24 ...

...engine over-revving til i got to where i was going. Anyway I was driving around the town (with the normal urban speed limits 30mph/40mph) where I was and was being really careful not to rev the arse ...

Question about Jeep Wrangler

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revving i turned it off and this time it wouldnt stop eventuly after about a minet i got it to stop checked the oil and it still seems to be on the mark have you any ideas This is normally caused by a

keeps revving up and down when its warmed up. if the check engine light is on it probably the egr valve but if the light is not on the idle control solinoid is dirty or broken There is carbon built up

Question about Jeep Wrangler

1 Answer

...keeps revving up and down. 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 ...

Question about Jeep Wrangler

1 Answer

...revving my engine in neutral before, but I tried today so I could hear what the new muffler sounded like. I was unable to rev past 4000 rpms, as it began to sputter. However, when driving, I have no ...

engine is revving from the time that you start it, until the time that you shut it off? This would be more likely, as depressing the clutch doesn't really have any effect on the engine, other than dis

...You have keep revving the engine to get it to go, it will finally keep running till you need to fill it again run the fault codes and check for vent problems and canister purge valve /solenoid

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