2000 Saturn SL "rough idle" Questions

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rough idle 2002 saturn sl ok here's the deal check enigine soon light came on and idles real rough changed oil spark plugs and ignition control module yet still runs way rough and can smell gas coming

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light is on. Could be uptake valve? Uptake valve? I've never heard of an uptake valve, but there is a idle bypass valve, which when in need of cleaning or bad, will make a car have a really rough idle

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...rough idle, what is the first thing I check? Sounds like the EGR is hanging open causing an internal vacuum leak.... Check all vacuum lines first for cracks / splits and then pull the EGR and make ...

...starts rough idle will stay running if you give more gas rough idle when starting will stall if you don't give it the gas Check your oil! then check for fuel pressure.I bet you're low or out of

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...tend to go hard and split where they connect to the metal piping if they are over 10 years old, allowing air / vacuum leaks into the inlet manifold which upsets the idle mixture causing rough

...sl2 is running rough i`ve replaced plugs,wires &COILS STILL HAS A ROUGH IDLE ONCE YOU GET GOING IT RUNS GREAT Try replaceing the ECT sensor. Mine was doing same thing, this SOLVED my

...has A rough idle once you get going it runs great I would guess it's fuel injectors that need cleaned but I found a great fuel injector cleaner. I believe it's Chevron Techron Fuel System

MY CAR IDLES VERY HIGH, THEN LOW, THEN HIGH AND ROUGHLY.WHERE IS THE IDLE ADJUSTMENT LOCATED? There is no idle adjustment. The idle is computer controlled. It does sound like you have a vacuum leak. ...

shaking when idle and driving rough WHAT ABOUT ANY SPARK HT-LEAD NOT WORKING AND IS GIVING MISFIRING AND ERRATIC IDLE. WHILST ENGINE IS RUNNING,PULL ONE BY ONE TO FIND THE NOT WORKING ONE.

rough idle stopped is this the map sensor air filter is clean and replaced. Could it be the o2 sensor or thorrtle body is dirty? there is a bracket that attches compressor to engine that is gone could

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