Question about 1998 Chevrolet S-10 Pickup

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1998 s-10 2.2l intermittent hard start

The truck has 120,000 mi. auto trans. Had new plugs @ 90,000mi. This problem happens very intermittently any thing from -20 to 95 degrees, usually it will crank well but refuse to fire or fire intermittently untill it starts. The last time it acted up, once it started, the theft light light was on for the entire key cycle. It generally runs somewhat roughly once it does fire but not always. One time it ran rough for two hours of interstate driving and several key cycles afterwords. It had a fuel filter at 90,000 but that means very little. One other thing I will mention, but this vehicle has done since practicaly brand new, it will crank hard intermittently (like advanced timing). I don't belive the timing thing has anything to do with the no start.

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  • James Frazier
    James Frazier Feb 04, 2009

    My 1998 S-10 someties does the same thing, hard starting and then the SECURITY light stays on. 77,000 miles. It's a piece of **** overall, but I love my truck, it's been pretty good to me.

  • Ron szarafinski May 11, 2010

    it could actually a number of things, take vehicle to a autozone or advance auto and have it scanned for fault codes. and let me know and i will try to help. it could be timing,electricl component like control mod. or sensor.feed back needed

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Because you said it sounds like timing problems i may have an idea. i dont remeber if these have a distributer? but its common for the distributer on the newer GM trucks and i dont know why but its like the spark jumps around inside causing incorrect firing order when trying to start and just gets worse and worse. remove and inspect for build on on rotor and tabs on distributer.

and get back to me with problem
plz rate
Michael
ASE certified

Posted on Feb 09, 2009

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