Question about 1992 Cadillac DeVille

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I have a 93 cadillac deville and trouble starting

When i start the car i have to keep my foot on the pedal or it will stall out for at least 2 minutes if sitting cold and i have to let it sit a few more minutes before i can drive...if i remove my foot from the gas pedal before it warms the engine struggles and the gas pedal pumps a few times while trying to get going....after a few minutes it runs fine and if i get out and restart it a little while it runs fine but if it sits for a few hours i have to wait and let it warm up for like 5 mintues before i can go

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Change fuel filter, and air filter. After your change the filters hook a fuel pressure guage to the fuel rail. The spot to hook up at looks like a valve thats on your tire. Should be no less than about 35 psi. If fuel pressure is good and it still struggles during warm up. Look on the throttle body and see if the linkage can be adjusted or if there is a adjustment screw. All else fails change throttle position sensor.
Wouldnt hurt to put new spark plugs in if you havent already done so.

Posted on Feb 12, 2009

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Check your IAC idle air control sensor. This is a sensor that makes sure that your car is getting the right amount of mixture with the fuel. It is located in the right back of the engine behine the intake. If this helped pleae rate

Posted on Feb 12, 2009

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