Hey everyone , I have a 2006 Trailblazer LS 4.2 , it was shifting really rough , i properly changed the MAF and air filter, still bad, any help ??

Asked by May 16, 2017 at 08:08 AM about the 2006 Chevrolet TrailBlazer LS 4WD

Question type: Maintenance & Repair

2 Answers

235

Throttle position sensor CAN cause shifting problems. Is it running rough too?

actually runs really well, just gets to about 3500-4000 rpms and I usually have to get off the gas to get it to shift

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