Question about 2002 Saturn Sl

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Idling up and down between 1200 and 800 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 out the tail pipe with alot of white smoke.... any ideas???

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Oooooooooooo my friend white smoke mens head gasket is gon sorry

Posted on Dec 11, 2009

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1 Answer

2002 Saturn SL rough idle snail with gas black smoke and doesn't get gas when I push the pedal


Your getting plenty of gas(black smoke). check vacuum lines, Make sure the intake air plenum is tight(hose clamps) check the MAF sensor. After the check the fuel pressure regulator. This will dump gas into the intake also. After that go for the injectors. Stuck open will cause this.

May 03, 2015 | 2002 Saturn Sl

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1997 saturn stalls when starts rough idle will stay running if you give more gas


Check your oil! then check for fuel pressure.I bet you're low or out of oil.

Sep 19, 2014 | 1997 Saturn SL

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Have a 99 Saturn, rough idles, stalls, high RPMs when first started, then idles to 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 sure the pintle is not stuck open with a chunk of carbon.

Oct 15, 2010 | 1999 Saturn SL

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It idles real rough and the Service Engine Soon 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.

Mar 29, 2010 | 2000 Saturn SL

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My car is a 1999 Saturn SC1. The engine races and takes a looong time to return to idle, and only fully returns to idle when the car stops. And the Service Engine Soon light is on. I'm pretty mechanical;...


mcdevito75 here, You can check the cold idle switch or if equipt the idle speed motor, Where they are exactly is ?? try to contact a Saturn Dealership or auto parts store.

Nov 21, 2009 | 1999 Saturn SL

1 Answer

1996 Saturn dbl overhead cam -idle is extremely high -turned down idle screw all the way -still revs -help!


you should not mess with idle screw, you are changing tps values,computer controls idle,check for vacum leaks,may be a hose or intake gasket.

Sep 19, 2009 | 1996 Saturn SL

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Saturn SL 2002 High Idle


Intake manifold gasket. Leaking where intake meets head.

May 07, 2009 | 2002 Saturn Sl

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High idle/low idle pattern


This issue is caused by the egr valve being stuck open, more than likely. Just remove it and clean the plunger on it. Also clean out the two ports that are in the intake. Check out saturnfans.com for more information. I hope this helps.

Dec 08, 2008 | 1997 Saturn SL

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