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1997 Cadillac DeVille

 

Question: i have a 1997 deville I was driving and it just shut off and would not restart.

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alphamale, Orange Park, FL, April 19, 2012, 13:54
 Rookie

Once i got it home i checked the fuel pump and fuel relay switch and filter, all seems to be working how ever as long as i am spraying gas in the breather it will start and run off of what i am spraying but as soon as i stop spraying it dies, No security light or check engine light stays on. at first i thought i ran out of gas but i put a half a tank in it just to make sure. Can any one HELP ME. I am completely lost on this. Thanks a million

ALPHA MALE
CADDY STYLE

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  • Answer #1

    rayomec007 April 19, 2012, 14:48
     Rookie

    need to hook up fuel pressure gauge, if its low, check filter. otherwise pump bad.

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    alphamale, April 20, 2012, 06:10
     Rookie

    thank you very much everyone kept saying the ignition but i didnt think it would run off of the gas in the breather if it was the anti theft with the key and ignition. thank you for your time do you happen to know how much pressure should be on the line with the pump good?

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    rayomec007, April 20, 2012, 06:54
     Rookie

    48 to 55 psi after hooking up pressure gauge, if the pump works, but low on pressure you need to remove tank and replace pump. but if it reads zero psi you need to test for voltage at pump connector at tank. the computer will run the pump circuit 2 seconds on keyup, you will need a helper if you have to test for voltage back there.

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