Question about 1991 Oldsmobile Cutlass Cruiser

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Motor turns off

When motor hit operating tempature the fan tries to turn on but the car shuts off.

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The fan draws allot of amps (30+) from the alternator which puts a load on the engine, if the throttle valve and idle speed control air-bypass valve are sludged up it will cause a stall because the system can not react fast enough to raise the idle to handle the extra load of the fan, clean the throttle valve and air bypass valve, this should do the trick

Posted on Sep 18, 2008


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Have you checked the radiator and is the cooling fan working ?

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With all controls off it blows hot air even on the coldest setting

try this relearn procedure.

turn key on engine not running
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turn key on do not start engine
wait 90 seconds while system recalibrates
turn key off
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