I have 2000 V8 LS thatruns rough in park and at idle in drive.
It runs fine while driving and even if i step on it while driving, bur when trying to rev it in park it sounds like it is flooding out and i cannot get the RPM's up. The guy I bought it from claims it is from a tank of E85 he put in. Any ideas or suggestions? It has over 150k miles
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Clean ur throttle body takes 30min cleaners only 8$ at aurozone and there good how to videos on you tube my truck always had rough idle bur got to wear if I stopped withoit my foot a little on the gas it woild die it had me worried but cleaned thrortle body it runs perfect
you have a bad temp sender,if this does not solve the rough idle than you have multiple issues and your idle control valve is not functioning properly try removing and cleaning it.its also referred to as IAC (intake air control)
a manifold leak ,dry-rotted vacuum lines also contribute to high rpm ....is there any visible signs of gasoline on the ground try using a piece of cardboard to see if any fluid gets on it also open the hood and check for visible leaks or missing cracked vacuum lines etc but sounds like a vacuum leak
Recall Summary 00-03 LS ModelsON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 2.2L L4 (L61) ENGINES, A FAILURE OF THE IGNITION CONTROL MODULE MAY CAUSE DETERIORATION IN IDLE QUALITY, REDUCTION IN OVERALL ENGINE POWER, AND THE VEHICLE MAY BE HARD TO START. CONTINUED OPERATION OF THE VEHICLE AFTER SUCH AN IGNITION MODULE FAILURE WILL RESULT IN THE ¿SERVICE ENGINE SOON¿ LIGHT FLASHING, AND MAY LEAD TO SECONDARY FAILURES OF THE CATALYTIC CONVERTER, OXYGEN SENSOR, AND EXHAUST RESONATOR. OWNERS SHOULD CONTACT SATURN AT 1-800-553-6000, PROMPT 3.