1984 Pontiac Fiero fuel pump

1984 PONTIAC FIERO
68,000 MILES • 4 CYL • 2WD • MANUAL
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COLFOOL
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  • 1 POST
How do you test for bad fuel pump and how do you det to the fuel pump?
Jun 8, 2008 at 8:29 PM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Apply 12V to terminal "G" of the ALDL (located in the center console behind the cigarette lighter panel). You can use the 12V supply from the cigarette lighter. If pump does not run, then it is bad. The pump is located in the fuel tank. This is a low pressure pump (13psi) so do not use the V6 pump.

If the pump runs, then you have a bad relay.
Jul 9, 2008 at 6:33 AM
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