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  1. #1
    Dobie-BOY's Avatar
    Dobie-BOY is offline Senior Member
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    Anyone who knows anything about cars.. Need help

    I bought a 96 caddy seville sls as an investment. Its a GREAT car, but most of the time when I start it after it has been setting for awhile I have to turn the ignition on and let it turn over for quite awhile before it will start. Once it starts I can turn it off and then start it up again and it fires right up. I dont know shiit about cars. Anyone have any ideas as to what it could be?

  2. #2
    Big's Avatar
    Big
    Big is offline Retired~ AR-Hall of Famer ~ "Enforcer"
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    how many miles?

  3. #3
    Tock's Avatar
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    My first guess would be that when the car sits for a while, gasoline in the carb evaporates, which requires the fuel pump to operate for a few moments before it gets enough fuel in every part of the system before the engine will run.

    Ordinarily, the fuel system is set up so that when you turn the engine off there's more gas left over in the carbureator (or fuel injector system) than can evaporate in 24 hours. So when you park the car after work at 6 pm, there's still enough in the system to permit an immediate start up the next morning.

    That's my first guess.

  4. #4
    Dobie-BOY's Avatar
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    Quote Originally Posted by Big View Post
    how many miles?
    145k. Runs GREAT though. no knocks, doesnt burn oil, doesnt smoke. Doesnt hesitate when you punch the gas (except for when you first start it up). it was owned by an older couple. its obvious that they really babied it.

  5. #5
    Big's Avatar
    Big
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    has it had the recommended services for that many miles and a tune up?

  6. #6
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    With a 96 caddy, you dont have to worry about pumping th gas to get fuel into the carborator. we need to know how many miles, and what has been replaced lately. It could be the fuel injector.

  7. #7
    Skully44420's Avatar
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    could dirty fuel injectors? what is the temperature there? when is the last time the fuel filter was changed? shit could be a bunch of things

  8. #8
    Nicotine's Avatar
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    could be dirty fuel injectors
    weak fuel pump at startup
    bad/old sparkplugs OR improperly gapped spark plugs (too small OR too big of a gap)
    horrible spark plug wires
    try running a slightly higher grade of gas?

  9. #9
    jimmyinkedup's Avatar
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    ^^^ these would be my first guesses (except the fuel pump- electric fuel pump use just work or stop) id stick to simple first dirty fuel injectors /tune up.

  10. #10
    Nicotine's Avatar
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    not quite
    in my old 1995 honda hatch, i had a pump that was weak...once started, no issue...

    but fuel pumps are cheap..not so easy to replace on most domestics as you need to drop the tank out...with honda's, just pop out the back seat (one 10ml bolt), and remove the cover plate. voila

  11. #11
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    fuel pressure regulator, dirty injectors a tune up

  12. #12
    peachfuzz's Avatar
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    could be a number of things. and i believe this car is fuel injected so that at least gets rid of the carburetor theories.

    i would suggest getting a tune-up and if that doesnt take care of it go from there.

  13. #13
    Dobie-BOY's Avatar
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    ok,thanx for the advice. gonna work on it tomorrow.

  14. #14
    DSM4Life's Avatar
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    +2 on the tune up. Always try the easy stuff first. If you don't know how to do it yourself (which would suck) ask a friend or family member to help and get a shop manual.

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