SOURCE: 1987 chevy S10 engine idle problem
relace the throtle air idle valve.The temp switch will allso cause this problem.
SOURCE: po452 trouble code changed sensor engine light
you may have to drive it several days for the light to go off, or have the codes cleared. personally I would just drive it. if the computer tests it, and it passes the test, it will go off on its own.
SOURCE: 1990 chevy half ton 4x4 350eng TBI...Not getting any fuel
CHECK FOR INTAKE LEAK OR BROKE MISSING VACUUM HOSES.IT COULD BE AROUND THROTTLE BODY GASKET.THE PVC VALVE IS STUCK OPEN OR COME OUT OF PLACE.SCAN IT CHECK FOR EGR VALVE FAULT CODES.IF IT STUCK OPEN.IT WILL CAUSE IDLING PROBLEMS.MAKE SURE PLUGS AND WIRES IN GOOD CONDITIONS.
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what do you mean temp switch a switch or silonoid
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