Questions & Answers for: 2005 trailblazer rough idle problems

2005 trailblazer doing the same thing. try your oxygen sensor my 2003 was doin the same thing and i changed it and it quit and has not done it again since I cleaned the throttle body with carb cleaner

...2005 Chev Trailblazer it is running rough when idling. It needs a tune up but I have no idea where to even find the spark plugs. Also it is whining really loud when I'm driving its not the power ...

...2005 Chevy Trailblazer EXT LS 4X4 w/ 4.2 engine. Runs rough when accelerating and at a stop. When the A/C is turned off the rough idle stops, but it will still miss a little when accelerating even ...

2005 chevy trailblazer 4.2 engine. Was driving on interstate engine intermittently began to run rough similar to a miss. Then check engine light was blinking for a minute or two then went off and ...

...TrailBlazer 2005-2006 GMC Envoy 2005-2006 Saab 9-7x with 4.2L Engine (VIN S - RPO LL8) The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. ...

...2005 trailblazer ls i6? I have an 05 LS that I have had for going on 5 yrs that I've chased issues in the entire time. It runs rough and sluggish..the volt gage bounces from half way (14 I think) to ...

...2005 Chevy trailblazer seemed like it was having trouble shifting gears. I went to check transmission fluid and dip stick broke. I added some transmission fluid thinking that was the problem. With no ...

error code p0420 and p0303 my truck rough idles and now the check engine light flashes for a bit then it will stop then it will start again. We changed the spark plugs, and also a coil pack on ...

...2005 Chevy trailblazer. My check engine light came on and it idles pretty rough, especially with the A/C on. I got code P0894, transmission component slipping. I have changed the tcc solenoid, shift ...

...2005 Trailblazer EXT, code p0014 have replaced cam sensor twice and still get code and rough idle Hello. It seems your vehicle's ECM has 'Alzheimer's'; sees a problem that is not there. It's either ...