Need Help?

2005 Chevrolet TrailBlazer LS 4dr 2WD

2005 Chevrolet TrailBlazer
Trim Info:
Rear Wheel Drive, 4 Door
16 mpg city / 21 mpg hwy
Other Trims
Do you own this car?
Estimated Mileage
Enter current mileage for most
accurate info about this vehicle

Track Your Service Records
Get Recall Alerts
Get Updated Value Estimates on Your Car.
back to question list

Ask The Community

May 18, 2011, 11:32 am

Kelly S

Question: 2006 Chevy Trailblazer LS idles rough and sometimes stalls

My vehicle at startup idles very rough and sometimes stalls. Driving down the road it runs fine but once I stop and idle it acts like it wants to die and sometimes does. I have replaced the crankshaft sensor and the cam sensor but still doing the same thing. Any suggestions??

August 29, 2011, 9:18 am


Have you cleaned the throttle body yet? A tooth brush and a can of cleaner will probably help this. At least it did on mine.

0/0 users found this helpful.

February 14, 2012, 2:36 pm

AutomotiveForums M

Have you a did a diagnostic check on it yet. Sounds a lot like my 02 Trailblazer 4200 6L. It was doing the same thing and I did the test on it and it put the PO301 code out, which means cylinder #1 misfire. I replaced the coil pack and plug to cylinder #1 and it fixed the problem.

0/0 users found this helpful.


Tips on Servicing

Car Brakes: How Do You Know When to Change Them?

By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. It goes without saying that these pieces wear out, but they do so slowly, meaning you may not notice they need attention until ...

Read more…