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Thread: obd1 code 45=fuel supply metering

  1. 09-26-2011, 08:46 PM #1
    clumsy_smurf
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    Default obd1 code 45=fuel supply metering

    my 94 civic is throwing a cel, code 45 which is fuel supply metering. what exactly causes this??
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  2. 09-26-2011, 08:57 PM #2
    4wslude
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    it was my fuel pressure reguator that went bad on mine i was pushing 60 pounds of pressure when mine went out and the car was acting like it was skipping and back firing and it was the one with the plastic cap on it holding on my fuel line and there is another on that has a vaccum hose going to it i just ordered a bolt from honda to by pass the plastic cap one so now i have just one i dont know why they put 2
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  3. 09-26-2011, 10:20 PM #3
    clumsy_smurf
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    ive heard it could be the ground goin to my thermo housing?
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  4. 09-27-2011, 02:15 AM #4
    4wslude
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    yeah that also be sure all the grounds are clean i know when my ground on the thermo housing wasnt clean my main relay was clicking like crazy non stop
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  5. 09-27-2011, 02:02 PM #5
    clumsy_smurf
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    all grounds are good. cant tell if the o2 is bad, FPR might cause this code?
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  6. 10-03-2011, 09:19 PM #6
    98blackcivic
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    im also currently having some spark/fuel related problems...

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