Questions & Answers for: Chevrolet 1500 engine overheat high speed

...High idle has been a problem for a long time & ''service engine soon'' light has been coming on intermittantly for quite awhile (months). Have changed oil & filter, o2 sensor, egr valve, throttle ...

high speeds water pump does not leak i replaced every possible part there is have you tried checking the fan clutch. make sure that it is locking up when warm. when engine is warm, turn off engine and

high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes,

high idle CHevy 350 TBI own 92 chevy 5 speed 1500, 4WD 4.3.. recently changed engine to a 1995 350 TBI block. all electronics 1992. has 350 TBI engine, computer, injectors, throttle body and computer.

...speed positions on 1998 chevy silverado? It stopped working altogether then I replaced a 10 amp fuse and now only medium high and high will work but, switch will not turn back to medium low and off ...

...high speed. Also, occasionally the difference between low and medium-low is none. It was working before I replaced my entire A/C system minus the control module in the cab. That part is about 1 year ...

Blower speed doesn't work for high speed The high speed on my truck doesn't work at all and the difference between low and medium-low is almost none. its the motor

...engine light at high way speed. It could be a misfire to transmission problem, to having the engine run lean or rich to a faulty fuel pressure regulator. Good luck and keep me posted, be glad to help ...

...HIGH SPEED I CHANGED THE RESISTER BEHIND THE GLOVE BOX STILL THE SAME HOW EVER THE AIR RESURCULATE SWITCH DOES NOT LIGHT ANY MORE might change the high speed relay first it is also behind the glove ...

it grounds the high speed fan relay. so lower speeds goes through blower motor resistor. this may be burnt out do to bearing is screaming tight to shaft creating a larger ampere draw that burnt it out