engine

2003 SATURN L200
140,000 MILES
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YENI
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When I turn the car on the car shakes very bad and it turn off I have to do it two or three times for it to start it and the first time I turn it completely on their is a thick smoke coming out of the escape way its very white and it smells very bad. I change the gas filter add a liquid to clean out the gas about three days ago but its still the same what can I do or what is the problem?
Apr 25, 2013 at 6:34 AM
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SATURNTECH9
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Does it run good the rest of the day after that?Any codes in the computer?
Apr 25, 2013 at 7:02 AM
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YENI
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it runs smooth and if you have it just park you could barely hear the car is on just like when i got it its just when it. but when you turn it off and leave it for about 1h or more it shakes really bad and turns off
Apr 25, 2013 at 7:59 AM
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YENI
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do you have any idea what is going on with it because it has a check engine on the dash board but i took it so they could check it and they told me it was the cap of the gas so i replace it but that did not make a difference
Apr 26, 2013 at 6:05 AM
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SATURNTECH9
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Your going to have to check the coolant temp sensor when its cold and acting up.You will need a scan tool that reads live engine data and a in fared temp gun.Thats where I would start.
Apr 26, 2013 at 7:30 AM