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My 1989 Oldsmobile 98 won't start when its cold outside.

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Check fuel pump pressure and the fuel pump relay . On your vehicle the oil pressure switch will allow the vehicle to start if fuel pump relay fails . The problem with this is oil when cold doesn't flow very well and could take sometime to reach 4-6 PSI to close contacts inside . Watch this video on Fuel Pump Electrical Circuits Description and Operation ! When it get's to GM vehicles . Your OLDS is a GM vehicle , if you are not aware of it . Fuel Pump Electrical Circuits Description and Operation First he explains Chrysler, dodge , jeep then ford , then GM ! Start at 14 min. 50 sec.

Posted on Dec 27, 2016

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In cold weather my 1989 Oldsmobile 98 won't start


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SO NO CRANK OR IT CRANKS BUT WONT START

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