4.9L 1995 deville car ran out of gas but wont start
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HT4100 4.1, 4.5, 4.9 Discussion, 4.9L 1995 deville car ran out of gas but wont start in Cadillac Engine Technical Discussion; What up everbody The problem I am having is recently I ran out of gas in my car and it ...
  1. #1
    Quote is offline Cadillac Owners Member
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    4.9L 1995 deville car ran out of gas but wont start

    What up everbody


    The problem I am having is recently I ran out of gas in my car and it would not start so then I took it to a mechanic he thought maybe the fuel pump went out I so I replaced the fuel pump and the fuel filter. Now the car will run for a few second then backfires and cut off. So I check the fuel pressure regulator and it not leaking and I check my car computer for codes and P031 P032 P052 and I052 came up. And I founded out that P031 and P032 deal with the map sensor and the the map sensor had just been replaced with a ac delco map sensor from the dealer due to it stalling due to a weak battery. But now I had a optmia red top battery. Before I ran out of gas the car was running good and it only has 104,000 miles on it. Before this happen the car had been tune up with platinum plug,distributer cap and rotor and all I just need some advice or if any one had similar problem please help me before I take it to the dealer.

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  3. #2
    Chicano-Mexicano's Avatar
    Chicano-Mexicano is offline Cadillac Owners Fanatic
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    Re: 4.9L 1995 deville car ran out of gas but wont start

    The only thing I caould think of that would make it backfire would be a timeing issue but I don't know how running out of gas could screw up your timeing though.

  4. #3
    NickySantoro is offline Cadillac Owners Fanatic
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    Re: 4.9L 1995 deville car ran out of gas but wont start

    Check the fuel pressure. Rebuilt pump may be defective. Not unheard of.

  5. #4
    kdcing is offline Cadillac Owners Fanatic
    Automobile(s): 1993 Eldorado, 4.9L, 200k miles
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    Re: 4.9L 1995 deville car ran out of gas but wont start

    Clear the codes. If P031 and P032 reappear, then dive into that MAP sensor (or its connector/wiring). Autozone may be able to test it.

  6. #5
    Quote is offline Cadillac Owners Member
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    Re: 4.9L 1995 deville car ran out of gas but wont start

    And it also is killing my battery if I try to crank it serveral time

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