87 stalling
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Cadillac Allante Forum Discussion, 87 stalling in Past Cadillac Vehicle Discussion; I'm new here and any help would be great. Changed plugs cap rotor wires and ignition mod. Runs great but ...
  1. #1
    fatrat125 is offline Cadillac Owners Member
    Join Date
    May 2013
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    19
    I'm new here and any help would be great. Changed plugs cap rotor wires and ignition mod. Runs great but will stall while driving for know reason. The speedo will peg out when it does it also. The oil pressure sender by the distributor has been unplugged When plugged up oil light on. Was that way when I got it off eBay Was fudged a little!!!!

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  3. #2
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
    Join Date
    Feb 2003
    Location
    california
    Age
    67
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    Re: 87 stalling

    You need to verify oil pressure with a gauge screwed into the sender hole. (should be above 8 to 10 LB hot engine at idle) If the computer sees what it thinks is low oil pressure, it shuts off the electric fuel pump in the gas tank. The oil pressure sender is specific to the Allante. try www.allantesource.com if you need one.

  4. #3
    fatrat125 is offline Cadillac Owners Member
    Join Date
    May 2013
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    19
    Thanks for the reply. I have put a new sender in and the light is still on I put a mech gauge to check and make sure it had oil pressure The dash always shows good pressure under the temp. Also have only one fan runs all the time Shows something wrong with that what is correct? I got screwed by an eBay seller

  5. #4
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
    Join Date
    Feb 2003
    Location
    california
    Age
    67
    Posts
    5,768

    Re: 87 stalling

    I still think you have the wrong sender. The fan module on your car is mounted in front of the passenger front tire and was famous for failing to run both fans at the proper speeds. That same module can be found on 88 Eldos and Sevilles mounted on the radiator support behind the grille and is less likely to be faulty because its in a cool air stream. To get to your module you must get under the car and lower some plastic panels. Its below the headlight and is a large ribbed silver module with 2 harnesses plugged into it.

  6. #5
    fatrat125 is offline Cadillac Owners Member
    Join Date
    May 2013
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    19
    Ill check on trying to get a module. The sender I'm talking about is facing up Not the one laying down. The parts store says its right. It looks just like any other elec sender But I'm defiantly not an expert and appreciate all the help. It left me on the side of the road today after I got brave because it idled a long time. I've also got an 89 model so I swapped the map sensor. Ssdd.

  7. #6
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
    Join Date
    Feb 2003
    Location
    california
    Age
    67
    Posts
    5,768

    Re: 87 stalling

    The parts stores books are wrong in most cases. Its Allante specific. Talk to Dick at allantesource.com

  8. #7
    fatrat125 is offline Cadillac Owners Member
    Join Date
    May 2013
    Posts
    19
    I will call them. I am so burned out on working on it and the 89. I've had the 87 since march with no luck. I think the 89 fuel pump out. Will start on either it is not getting fuel. 87 was suppose to be a running and drivable car

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