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1993 Pontiac Firebird Question: my fuel pressure is 40 to 37 will this cause car to back fire when pushing on gas.

 

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Visitor, Hillsdale, MI, October 16, 2010, 12:14

idles good can not drive start to back fire when you increase engine speed.

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, October 16, 2010, 21:07
     Master

    No, this is adequate fuel pressure. This sounds more like an air flow meter, ignition timing or something else. Are there any fault codes stored?

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    Visitor, October 31, 2010, 18:40

    I can not get them from the car , grounding the terminal it does nothing and i do not have anything to read them. I think maybe a coil if you pull them off and check ohms across the terminal on the mounting plate i get ohms on two of them and zero on the third. Should i not be getting zero across all three ?

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