Question about 1988 Chevrolet C1500

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1988 chevy scottsdale truck shutting off

Ok my truck is an 88 chevy scottsdale and it has a 4.3 v6 it is fourwheel drive and im having problems with it shutting off randomly mainly at a low idle i have replaced alot of stuff on it including spark module, throttle position sensor and a coil and everything else in the firing system minus a new distributor. but it shuts off mainly at low speed or idle and i have no idea what is causing it because the timing is set right and i have jus changed all these parts could someone possibly tell me what is wrong?

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  • brantley_rya Jan 04, 2009

    not yeat but i that located on the throttle body?

  • brantley_rya Jan 05, 2009

    will try. i was also told to check the fuel filter on the frame under the cab so i will check that too. thanks

  • EricM_1981 May 11, 2010

    Have you tried changing the idle air control valve..?


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I had an identical problem with my 88 Scottsdale. After a week of head scratching by my local dealer, and $1000. worth of shop diagnostic time, they found a bad distributor shaft. Apparently, there is some sort of star wheel on the end of the shaft which has lost magnetism. Replace the shaft.

Posted on Feb 01, 2009

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On the intake near the trottle body ...will have two bolts mounting it and one plug in...!

Posted on Jan 05, 2009

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