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2004 Tacoma 2.7l

Discussion in '1st Gen. Tacomas (1995-2004)' started by Heaths04taco, Jul 20, 2023.

  1. Jul 20, 2023 at 8:25 PM
    #1
    Heaths04taco

    #1
    Heaths04taco [OP] New Member

    Joined:
    Jul 20, 2023
    Member:
    #429485
    Messages:
    1
    Gender:
    Male
    First Name:
    Heath
    Vehicle:
    04 Tacoma 2.7l
    Started out with 5 codes. Put new spark plugs, ignition coils, fuel injectors, new catalytic converters, O2 sensors. Replaced purge valve, purge solenoid is not opening and closing like it is supposed to. What tells the ECU to send signals to open and close the purge solenoid? Replaced it and new one isn't opening and closing. How much vacuum should go to the fuel regulator? Only PO172, engine burning rich is the only code coming up now. Any ideas? It's not overheating but could the coolant temperature switch be causing it? I have very little vacuum to the fuel regulator. How much vacuum should be at the fuel regulator at idle and 3,000 rpms? Help
     
    Last edited: Jul 20, 2023
    Heaths04taco, Jul 20, 2023
    #1

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