Check fuel filter!
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SOURCE: 1994 Cadillac DeVille Concourse - Runs rough?
The "check engine" light will "light" when there is a malfunction in the engine management system. The fault code is then stored in the computer. The computer must be scanned to retrieve these stored faults to pinpoint the malfunctioning component. We recommend buying your own scanner and doing it yourself. With a pocket scanner you can check for fault codes to find out why the light came on in the first place. You can clear your cars trouble codes after you replace the malfunctioning sensors.
SOURCE: 1996 cadillac deville want start
If you had a strong stream of gas shooting out then you may have an fuel injector problem. Possibly a clogged injector or bad injector.If the stream of gas was weak replace fuel filter first and test again.If problem persists check pump fuse then replace pump. sorry for miss reading your post.
SOURCE: 1994 cadillac deville concours
Look if the engine is doing what you say then it is overheating and there is no problem with the sensor, remember the sensor only tells what is going on, it does not cause anything like overheating. Have you bled the system of air, there is a factory procedure to do this.
SOURCE: 1994 Cadilliac Sedan DeVille
sounds like a bad mass air flow sensor. this sensor is located on the duct that connects to where the air filter goes, it should have one or two wires coming from it. Unfortunitly they are rather expensive so you will want to have someone with a computer hook up to your car and tell you what the exact problem is before you just go and poke around replacing expensive parts that do not need to be replaced.
SOURCE: New fuel pump will not pump!
first all i do all of the repairs on my cars and i have got a bad fuel pump once but i would like for you to checkout all of the wire and make sure they are right and after make sure the fuel pump relay is good and the fuse for the sending is good
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