Question about 1992 Chevrolet S-10 Blazer

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My 1992 Chevy Blazer S 10 is revving really high when it starts

After I start my Blazer it revs really high. It then kicks down a bit but is still revving alot higher then it should be. Any ideas on what to fix. I can still drive it and everything.

Thank You,
Tracy

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  • tcstefans Nov 19, 2008

    Thank you Bill I will check that out.



    Tracy

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I have an s10 that would rev up high. i hooked up my scanner and it didn't give me much information, so i started researching. it took a while. i got my manual out and looked up all of the sensors in the fuel system. i even paid some web site $10 for help {wasred my $10} and they were no help. so i researched all of the sensors and found out their symptoms when they malfunctioned. the culprit turned out to be my water temp sensor. here is how it works, when you first start your engine the water is cold, the sensor sends out the information to the brain [warm me up] so your engine idles high to help reach operating temp quicker. when the sensor malfunctions it will send the wrong info to the brain [i'm cold] so the brain revs up the engine in an effort to get warm .i replaced the water temp sensor and the engine is back to normal.

Posted on Dec 16, 2008

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I would look at either your linkage adjust to your throttle stop, and an adjustment on the computer for fuel injection. More so for throttle adjustment and linkage.
Bill

Posted on Nov 19, 2008

  • mike dirt Nov 19, 2008

    Hi, tyhanks for writing and ask. As for continued driving, I don't for see an immediate problem with anything else, but I would have it looked after asap, OK?

    Bill

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