Question about 1998 Chevrolet Blazer

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I have a 96 s-10 blazer 4.3L v-6 which hesitates

When you step on the gas from a stop it almost dies but then goes ahead and fine if you go ahead step harder on the gas

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  • pherrfarms Sep 26, 2009

    what kind of tests do tou need to do?

  • Richard Scordino May 11, 2010

    Could be a bad throttle position sensor but you need to do tests to prove that.


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I don't have the values for yours but, Generally it is tested between terminal a&b with the key on. voltage should be less than 1.25volts, and should increase to about 5volts as throttle is opened. I also do another test, disconnecting the harness and using an ohmmeter and check that the resistance changes smoothly and does not jump, indicating any "dead spots" I then compare these results with a known good one.

Posted on Sep 26, 2009

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I have 94 s10 blazer 4.3 the prob started the

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