Question about 2003 Chevrolet TrailBlazer

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My blazer wont rev up past 1700 rpms

My blazer wont rev up past 1700 rpms

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  • hung1onu Jul 03, 2010

    dont know yet

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Hi,

Do you see any check engine light being on? If yes, without wasting the time, get the car scanned for error codes and let me know. I would be glad to resolve that problem for you.

http://www.fixya.com/cars/r4008552-check_engine_light_being

If not, read further :-

ok first I would check the egr system and valve these did have a tendency to mess up more than tehy should and that would give you the symptons you are experiencing,the egr I believe has to set first (monitor)before the cat and the 02 sensors should set before the cat as well ,as far as the evap that sometimes can be a pain as it will have to set after an overnight sitting,also check all the vacuum hoses and spray a little carb cleaner near the egr and intake and see if that changes the idle and surging if it does you have found the leak,the vehicle maybe searching for a correct idle because of this(iac sensor)this may be looking for a correct idle but cant achieve it because of an egr or vacuum leak.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!


Posted on Jul 03, 2010

  • hung1onu Jul 03, 2010

    a scan said catyliyic convertor is that possible

  • taran_2005
    taran_2005 Jul 03, 2010

    Thanks for your response!!

    Yes, that is a possibility. That is why i mentioned ,if you have check engine light on,get the car scanned at autozone and that would tell you the reason why this issue is there.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks
    for using ' Fixya ' and have a nice day!!


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