1994 Pontiac Grand Am SE 4Cyl When very hard on the - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-25-2013, 06:43 PM   #31
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I have a code number 55 lean fuel code. Replace the fuel sending unit same issue. I already did the filter and fuel line
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Old 03-25-2013, 07:08 PM   #32
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Based on a code 55 lean fuel fault knowing that has new fuel line filter and sending unit anyone have an idea?
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Old 03-25-2013, 08:00 PM   #33
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it does excelerate well and it does NOT have that vortex type vacuum sound like the converter is plugged
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Old 03-25-2013, 10:28 PM   #34
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Wait I ran car outta fuel other day may have been stored.
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Old 03-26-2013, 07:43 AM   #35
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unplug the computer for a while and see if it comes back
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Old 03-26-2013, 01:26 PM   #36
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I have a tech 1 I clear the code it hasn't come back yet TPS is fine fuel trim is in specs
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Old 03-26-2013, 06:28 PM   #37
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Watching a snapshot on the tech 1 I have a7x sensor I believe that is the crank sensor? That is going from normal output then 0 then back then 0 and so on injector pulse with flash is 8.9 then 0 then 8.9 then 0 so I am leaning toward a crank sensor
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Old 03-27-2013, 08:40 AM   #38
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Although just now on the way to work it pooped out on me no acceleration the engine sounds like it is missing great
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Old 03-29-2013, 08:24 PM   #39
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In case anyone cares. It turned out to be neutral safety switch sayin in park all time lol
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Old 03-30-2013, 09:30 AM   #40
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In case you care, not everyone here has a 6th sense when it comes to diagnosing cars hundreds of miles away. We did our best given the resources.
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