Question about 2004 Chevrolet TrailBlazer

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Hi,my chevrolet trial blazer 2004 rpm is not going above 3000 rpm while in park or neutral and my gear is not shifting smoothly.

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  • Owais Khalid Mar 12, 2011

    HI,thanks for your reply I just checked the transmission oil,the level of oil is too high then the normal level because of this my gear is not shifting smoothly while driving and one more question can I wash the stock air filter of the car.
    I am waiting for your reply

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Hi and welcome to FixYa!

Few things can cause this issue. It can be a disconnected vacuum hose somewhere so please have a good look at it. It can be a faulty TPS (throttle position sensor) too. If the TPS is faulty the throttle response tends to fail so you will need to have it replaced. Regarding the shifting, I strongly suggest that you replace the automatic transmission fluid. If the fluid is burnt, the shifting tends to be rough and may shift only on high rpm.

Once the fluid is replaced, a smooth ride and shifting will be noticeable. Please have the following be checked to resolve the issue.

Have a good one and thank you for using FixYa!

Posted on Mar 11, 2011

Testimonial: "Thanks for your help "

  • Owais Khalid Mar 11, 2011

    I think it is the thoottle positon sensor because my car's gas padel is soft also.

  • afarri
    afarri Mar 11, 2011

    Yes it can be.

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