07 Trailblazer engine running very rough/misfiring really bad. No power on take off but will eventually smooth out when reaching a higher rpm. Check engine light is also on. Any help would be appreciated.

07 Trailblazer engine running very rough/misfiring really bad. No power on take off but will eventually smooth out when reaching a higher rpm. Check engine light is also on. Any help would be appreciated. 1 Answer

check engine light comes on when down to 1/4 tank and goes off at 3/4 tank. Also Revs very high. 9 Answers

I have a chevy trailblazer that the check engine light comes on when down to around 1/4 tank of gas and then after refuel goes off when it is 3/4 tank full. It also revs very high while driving, then...

I own a 2005 Chevy Trailblazer the check engine light came on and will not go off. 15 Answers

I've had this happen before after getting gas but it usually turns off after tightening gas cap and driving for a while. What other reason could the check engine light be on for. Should I be serious...

2006 Trailblazer Gas cap light comes on & also engine light sometimes. A cannister was replaced but still does it?? 1 Answer

2006 Trailblazer Gas cap light comes on & also engine light sometimes. A cannister was replaced but still does it?? Vehicle runs smooth but still concerned about about lights coming on?? Is this somet...

03 Chevy Trailblazer running rough 4 Answers

My 03 Trailblazer started running like crap I changed two of the coil packs that helped it a little bit but it still runs rough and is a little doggy when you step on the throttle. I cleaned the ma...