1995 Gmc Jimmy 95 4 3l That Rough Idle Real Bad Gas Mileage Found Fpr Replaced

1995 GMC JIMMY
143,600 MILES
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I have a 95 4.3l jimmy that has a rough idle and real bad gas mileage. i found it to have bad fpr. I replaced it with new one and had no start condition. Replaced plugs wires cap rotor and cleaned/tested sensors and intake. Still no start. Put old fpr back on truck and it started first try. this is my wifes daily driver and i really need to get it fixed.
Oct 29, 2012 at 3:47 AM
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RASMATAZ
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
Put back new one and turn ignition On-check for power at red and white wire on the injectors-do you have it? If so crank engine over is the injectors pulsing
Oct 29, 2012 at 4:13 AM
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