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Thread: 97eldo Need Help

  1. #1
    Join Date
    Apr 2005
    Posts
    7

    97eldo Need Help

    HAVE 97 ELDO WITH 47,000 MILES ON IT. ENGINE GOT SLOWER AND SLOWER TO START WITH FIRST BACKFIRE, THEN RAN BEAUTIFUL. HAD BIG
    BACKFIRE AND NOW ENGINE WILL NOT START BUT BACKFIRES. COULD THIS BE A BAD CRANKSHAFT POSITION SENSOR. APPRECIATE ANY HELP ON THIS PROBLEM.


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  3. #2
    Eldo1953's Avatar
    Eldo1953 is offline Cadillac Owners Enthusiast
    Automobile(s): 53 Eldo, 54 CDV, 74 FWB 96 FWB (sold),1998 STS(sold), 03 ESV
    Join Date
    Feb 2003
    Location
    Winnipeg, MB
    Posts
    756

    Re: 97eldo Need Help

    You will probably get a better answer in the N* forum...

  4. #3
    mcowden is offline Cadillac Owners Connoisseur
    Join Date
    Jun 2003
    Posts
    1,164

    Re: 97eldo Need Help

    Do you have a Service Engine light? Have you looked for codes? Anything else colorful about the history of the car?
    Mike

  5. #4
    Join Date
    Dec 2002
    Location
    Fort Lauderdale, Florida
    Age
    52
    Posts
    9,577

    Re: 97eldo Need Help

    Check the fuel pressure regulator. Pull the vacuum hose off the regulator (that small canister shaped device on the fuel rail) and turn on the key to energize the fuel pump. Watch the vacuum nipple for any sign of fuel seeping from it...??

    Are you sure you have fuel pressure. You might put a gauge on the shraeder valve fitting on the fuel rail and check the fuel pressure while cranking.


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