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

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idles good can not drive start to back fire when you increase engine speed.
(1) Answer
(1) Comments
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?
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 ?