1999 Jeep Wrangler "idle 4 liter engine" Questions

...and when driving it seems to have trouble getting into gear and isn't accelerating smoothly isc filthy and sticking open or TPS bad. the 2 top fails for out of control idle on 4 liter. or vacuum ...

...4.0 liter engine? still have a real jeep alternator not upgraded? loss of electrical power (first rule, we never need to guess.!!!) not with a voltmeter. (tool that costs $20 ) alternator good (by ...

4.0 liter motor will not idle below 24500 rpm. 1994 aerostar, 4 liter motor, auto i hope that the 24,500 RPM is a miss-print and you mean 2450 RPM. get a can of carburetor cleaner and spray around the

idle stablizer,gounds good,battery,cold start valve,coolant temp sensor,ECU,once car warm i can put gas to floor no issues whatsoever drives and runs perfect until it get cold again, spent 4 months in

...the engine is lagging, idle speed has dropped to around 500rpm. The O2 sensor seems to be holding pretty steady around .4 to.5 regardless of rpm. Service engine light is on and no codes are

...rag. You may want to also take the idle air control valve off and clean the passages there too. This picture is for the 2.4 liter engine, but the 3 liter is similar. Let me know if you have

...4 liter 6 cyl & it I have a 1999 jeep Cherokee 4 liter 6 cyl & it sputters & won't accelerate when driving & if u push the pedal all the way down it will kick & shoot off & ...

...idle back down. What's problem? 4.3 liter engine, 4 speed auto transmission. Acts like the cruise control is set. Braking (hard) will bring engine back to idle. Bad sensor? Vacuum hose? In most ...

...4 cylinder. ONLY WHEN CAR IS HOT, idle drops off, engine stalls, must step on accelerator to keep from stalling. Otherwise, idles normally. New spark plugs, new battery. Likely cause? Some "check ...

idle air passage . The IAC motor or valve is on the throttle body, with a 4 wire connector. Take it off and look for carbon or coking deposits around the valve's pintle, and in the air passage beneath