Sensor problem ?

Discussion in 'General Chevy & GM Tech Questions' started by boots1882, Jun 13, 2009.

  1. boots1882

    boots1882 New Member

    I bought a 89 Silverado 5.7L TBI standard 5spd trans last year,even after a tune up the truck idles up and down when cold.A few times lately while driving the idle will go way up and then stall and won't restart untill it's sat for about 30min.
     

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