Mechanics

CHEVROLET TRAILBLAZER ENGINE PROBLEM

2003 Chevrolet Trailblazer • 96,360 miles

Every morning when I start my car, it starts off running real rough, loud and hard. Especially when applying the break it feels like the car is going to break down. After the car has warmed up the noise stops. On cold days the car runs even rougher. No engine light has come on. What do you think it could be?
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Guest
November 15, 2012.




Check fuel pump pressure when it is cold. Also, consider a tune up if one hasn't been done for a long time.



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