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Old 07-07-2017, 03:51 PM   #1
GeoShorts73
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Fuel pump

Changed the fuel pump on my 08 Pontiac g6. Engine still will not get gas to motor, just turns over and over. Help ?
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Old 07-07-2017, 06:19 PM   #2
Blue Bowtie
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Re: Fuel pump

Is there reasonable spark at the plugs?

Is the measured fuel pressure within specs on the new pump?

If those are present, and you have access to a 'noid light or even an analog multimeter the fuel injector harness can be probed to see if injector pulses are present during cranking.
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Old 07-07-2017, 06:24 PM   #3
GeoShorts73
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Re: Fuel pump

There is pressure..my car will start once and just stall..not starting again .will look into getting the spark plugs changed .car reader code says random engine misfire which could be a number of things..thanks for replying tho
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Old 07-07-2017, 08:27 PM   #4
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Re: Fuel pump

Get some carb cleaner and spray into the intake while someone cranks the vehicle......if the car starts and runs as long as you spray, it's a fuel delivery problem.......

If the fuel pressure is ok, then the injectors are not firing and that makes it sound like a Theft/Security problem......chances are a "B" code is set......most scanners and code readers can't read "B" codes....
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Old 07-07-2017, 08:54 PM   #5
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Re: Fuel pump

Awesome...thanks man.i will look into that too, will most likely end up take it into a shop and kind of sounds like I wasted money on a fuel pump.thanks again for your help and info
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