Wouldn't think sensor or computer problem , more likely an ignition module . When it dies pull a plug wire an check for spark ,i think you will find no spark . Just from my 30 years of diagnosing GM vehicle's this has been the #1 cause of a start an run till warm an dies an wait 20 min . to an hour an it starts again problem. But without testing to know for sure that would be a guess . Having a qualified an certified repair technician diagnose the problem is always the best idea.
Ignition modules and crank sensors are common to heat fail causing hot stalling and hot no start issues .
SOURCE: 1995 Saturn SL1 starting problems !
iac valve that controls the idle its on the intake by the throttle body
SOURCE: 95 saturn won't start when hot
Blair, I would take a look at he TPS (throttle position sensor) located on the throttle body. In other words, it sounds as thought sensor when heated is changing its value to "open" or "shorted".
If the car starts OK when cold, use a hair dryer to heat the TPS when the engine is cold to see if you can duplicate the problem.
Also is the a service engine light on? Codes?
If you have a "digital volt/ohm meter" available you can read the variable resistance of the sensor when the problem occurrs to determine if the sensor is defective.
SOURCE: Odometor stop working on 92 Saturn SL1
Take out your gages under the dash and send them out to get fixed they are speed operated. What most likely happend is the dial in back the odometer is stripped.
SOURCE: 99 saturn sl1 hard to start if sitting for over an hour
you have leaking fuel injectors they are fouling out plugs.
SOURCE: help charging the a/c
Check your engine compartment for a sticker that indicates the type of refrigerant used on that car....if it's R12 (like my 1993 Dodge) you cannot buy R12 without an HVAC tecnician license. If it is R134a, you can buy a can of refrigerant at any parts store....follow the directions on the can to recharge the system.
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