help please
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Northstar Engines and System Technical Discussion Discussion, help please in Cadillac Engine Technical Discussion; i have a 99 sts about a month ago i had water pump and thermostat install. the mechanic for some ...
  1. #1
    money12 is offline Cadillac Owners Member
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    Angry help please

    i have a 99 sts about a month ago i had water pump and thermostat install. the mechanic for some reason put a new gasket on my throttle body. since that time i have had starting problems.the car cranks find when cold. when the engine is hot it is hard to start or want start. also my temperature gauge works find when the car is cold but when it is hot it will not move as usual. what do i need to do to correct this problem. thanks

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: help please

    Hard hot starts are symptomatic of a leaky FPR. Check it out. Instructions are in the Tech Tips section.

  4. #3
    money12 is offline Cadillac Owners Member
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    Re: help please

    thanks ranger i assume fpr means fuel pump regulator.new to the site. do i just click on tech tips

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: help please

    FPR = Fuel Pressure Regulator.

    Yeah, just go down to the bottom of the page and click on the forum jump drop down arrow and then click on Tech Tips.

  6. #5
    money12 is offline Cadillac Owners Member
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    Re: help please

    thanks Ranger I will give this a try this weekend. One last question will this also take care of my temperature gauge? when the car is hot and want start the gauge do not move. but when it cold it works find. also some time even after it cranks my heater do not work. do i need to go back into the throttle bottle to make sure i have good connections.

  7. #6
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: help please

    The FPR has nothing to do with the temperature gauge or the heater. Neither does the Throttle Body if that is what you are referring to by "throttle bottle".

  8. #7
    money12 is offline Cadillac Owners Member
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    Re: help please

    thanks we clean out the throttle bottle this weekend and check the FPR. So far all of my problems seems too has eliminated. i really do appreciate you and this site.

  9. #8
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
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    Re: help please

    Ricky Ricardo

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