Coil

RODNEY WILKINS

MEMBER
2003 BUICK RENDEZVOUS
3.1L
6 CYL
FWD
AUTOMATIC
105,000 MILES

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.

Sunday, August 7th, 2016 AT 5:32 PM

7 Replies

SATURNTECH9

MECHANIC
30,870 POSTS

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?

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Sunday, August 7th, 2016 AT 5:51 PM

RODNEY WILKINS

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5 POSTS

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.

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Monday, August 8th, 2016 AT 1:52 PM

RODNEY WILKINS

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5 POSTS

About five years ago had coil replaced.

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Monday, August 8th, 2016 AT 1:54 PM

SATURNTECH9

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30,870 POSTS

Have you checked the coolant temperature sensor yet?

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Monday, August 8th, 2016 AT 2:49 PM

RODNEY WILKINS

MEMBER
5 POSTS

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.

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Monday, August 8th, 2016 AT 3:31 PM

RODNEY WILKINS

MEMBER
5 POSTS

Thks for info CK truck start up no problem think temperature sensor is bad send wrong info to computer to start up thks.

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Monday, August 8th, 2016 AT 6:03 PM

SATURNTECH9

MECHANIC
30,870 POSTS

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.

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Monday, August 8th, 2016 AT 7:06 PM