Question about 1994 Chevrolet S-10

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S10 blazer surges

On cranking, engine revs high and check engine light comes on. after restarting, it will generally idle correctly and check engine light is not on. while driving, the automatic transmission seems to shift into a lower gear repeatedly causing a surging feeling.

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  • hmcguir Dec 07, 2008

    we already took intake back off and found nothing wrong. we tried propane around intake as well . The computer codes keep pulling up throttle position sensor.Its been replaced and show correct voltage. The computer still brings the tps back up.

    Sometimes it runs fine.

  • Anonymous Mar 31, 2014

    surge in lower gear change

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Might wanna check intake gasket for leaks on the high engine rev as for tranny might be in the comp

Posted on Dec 07, 2008

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