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sprinkles08
sprinkles08, ASE Certified Technician
Category: Pontiac
Satisfied Customers: 21600
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Pontiac: 1997 grand am, when i turn on ignition fuel gauge

Customer Question

1997 grand am, when i turn on ignition fuel gauge goes down, no power to starter
Submitted: 1 year ago.
Category: Pontiac
Expert:  sprinkles08 replied 1 year ago.
Hello and welcome to JustAnswer!
It sounds as if the powertrain control module may be down. The PCM is the module that controls all engine functions.
What you'll need to do is see if the fuel pump runs when the key is first turned on and see if the PCM will communicate with a scan tool or code reader. If neither of these happen then the PCM is down.
If fuses are good then odds are the PCM itself is the issue, but you would need to verify it's powers and grounds are good before condemning it to ensure there isn't a wiring issue.

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