Coil

2003 BUICK RENDEZVOUS
105,000 MILES • 3.1L • 6 CYL • FWD • AUTOMATIC
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RODNEY WILKINS
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Truck is hard to start runs rough then after a few try to start it will start running smooth after a while it will do the same thing after running notice the first coil a little loose.
Aug 7, 2016 at 10:32 AM
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SATURNTECH9
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If the coil was loose I would not think it would start running good after it warmed up. Have you checked the computer for codes yet?
Aug 7, 2016 at 10:51 AM
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RODNEY WILKINS
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There are no codes. runs rough at first then it will smooth out but after a while driving it is hard to start again had all oxygen sensors replace and all the other parts connecting to codes.
Aug 8, 2016 at 6:52 AM
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RODNEY WILKINS
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About five years ago had coil replaced.
Aug 8, 2016 at 6:54 AM
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SATURNTECH9
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Have you checked the coolant temperature sensor yet?
Aug 8, 2016 at 7:49 AM
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RODNEY WILKINS
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Truck started right up runs smooth will check temperature sensor. I will have to see how far I can drive before it acts up again. I tightened up loose coil will temperature sensor short or stop coil from working.
Aug 8, 2016 at 8:31 AM
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RODNEY WILKINS
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Thks for info CK truck start up no problem think temperature sensor is bad send wrong info to computer to start up thks.
Aug 8, 2016 at 11:03 AM
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SATURNTECH9
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The coolant temp sensor when they go bad they read colder than actual coolant temp so they run rich when cold and get better when they warm up.If it's running good just keep an eye on it.
Aug 8, 2016 at 12:06 PM
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