Question about 1993 Saturn SW2
1993 Saturn SW2 just shuts off - doesn't matter if the car has been running an hour or 5 minutes or the outside air temp or conditions. Sometimes it starts right up, and sometimes won't start up for hours.
Try pulling the engine coolant temp sensor, They often crack not sure why but the ceramic tip cracks makes the car hard to start, the car's idle may race while shifting gears, and often smokes. The sensor is on the right side of the engine when looking at it on the head. Easy to change and get too
Posted on Jan 17, 2009
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Posted on Jan 02, 2017
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Dec 26, 2015 | Saturn Cars & Trucks
is commonly caused by a dirty automatic idle speed control valve and
throttle valve. Buy a can of throttle valve cleaner from NAPA or
Carquest (made by CRC chemicals) and spray it into the air intake
while the engine is running, use up about 1/2 the can, engine will
try to stall hold the speed up, shut it down and let it soak for 30
minutes, restart and blow out the remaining fluid, shut it down and
disconnect the negative battery cable for 5 Min's to reset the base
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