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5.0 and 5.7 Discussion, Trouble Starting... in Cadillac Engine Technical Discussion; I have a 2000 Escalade with 169,000 miles on it. Runs great until it rains. Then I have problems with ...
  1. #1
    8yroldLacTrk is offline Cadillac Owners Member
    Automobile(s): Escalade
    Join Date
    Jul 2008
    Location
    Orlando FL
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    Trouble Starting...

    I have a 2000 Escalade with 169,000 miles on it. Runs great until it rains. Then I have problems with it starting. It turns over, starts but dies. After letting it sit for 2-3 hours, it starts right up and I have no problems with it for a while. This doesn't happen everytime it rains, but that's one common factor. I've had the fuel pump and assembly replaced, recent tune up. What could be causing this.

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  3. #2
    N0DIH's Avatar
    N0DIH is offline Cadillac Owners Master
    Automobile(s): 94 Fleetwood Brougham
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    Aug 2004
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    Rockford, IL
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    Re: Trouble Starting...

    Any trouble codes? First step is to find them.

  4. #3
    cadillac_al is offline Cadillac Owners Connoisseur
    Automobile(s): Cadillac 78 Seville, 78 Coupe de Ville, 92 Sedan de Ville
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    Re: Trouble Starting...

    Running bad in the rain is the classic symptom of failing spark plug wires. I don't know if the 2000 Escalade even has plug wires anymore. Checking for codes should still be the first step though.

  5. #4
    N0DIH's Avatar
    N0DIH is offline Cadillac Owners Master
    Automobile(s): 94 Fleetwood Brougham
    Join Date
    Aug 2004
    Location
    Rockford, IL
    Age
    47
    Posts
    7,511

    Re: Trouble Starting...

    Any codes?

    It has them, but they are short. The trucks have the (supposedly) more robust coils.

    I would look at the CTS/IAT. With a datalogger, when cold, they should match within a couple degrees of each other.

    You can take the connectors of each and put in a resistor of the same value in each, one that matches room temp (there is a chart I know I have posted before, can be found easily on the net) and see if that clears it up.

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