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Is my fuel pump bad?


TOM
Junior Member


Galant VR-4 org Post #: 999432 posted 06/14/11 02:43 PM     Remind Me!  Send Private Message   Edit Post      
my car just died and wont restart. turns over strong. How do I test my fuel pump

Posts: 94 | From: YAKIMA WA | Member Since: 01/17/07 | IP: (67.51.213.58) | Report this post to a Moderator

SouthCaliVR4
Gas Analyzer
825/2000


Galant VR-4 org Post #: 999438 posted 06/14/11 02:55 PM     Remind Me!  Send Private Message   Edit Post      
with a fuel pressure gauge. First pop a vac line off the mani, use the pcv line, and spray some brake clean in while a buddy turns the car over. if it fires you have a fuel delivery issue. assuming it fires off the brake clean then pull the carpet in the trunk & check for voltage at the pump. if you have voltage it's likely the pump, if not it's electrical. post up what you find. if it's electrical I'll post up the diagrams so you can trace it down



How do you make a small fortune racing? Start with a very large one!!!

Posts: 984 | From: North county San Diego | Member Since: 07/31/10 | IP: (99.43.5.60) | Report this post to a Moderator

TOM
Junior Member


Galant VR-4 org Post #: 999678 posted 06/15/11 01:24 PM     Remind Me!  Send Private Message   Edit Post      
well I took the fuel line off the fuel rail and tryed to start the car and it pumped fuel into the pan I had under the line so I think the fuel pump is working. turbwop told me how to jump a wire by the brake master cyl. to see if the pump comes on but i did not hear anything when I did that, could this be a cam position sens?

Posts: 94 | From: YAKIMA WA | Member Since: 01/17/07 | IP: (67.51.213.58) | Report this post to a Moderator

SouthCaliVR4
Gas Analyzer
825/2000


Galant VR-4 org Post #: 999694 posted 06/15/11 02:22 PM     Remind Me!  Send Private Message   Edit Post      
Well that's one way... did you try what I recommended? if so did the engine fire?



How do you make a small fortune racing? Start with a very large one!!!

Posts: 984 | From: North county San Diego | Member Since: 07/31/10 | IP: (99.43.5.60) | Report this post to a Moderator

TOM
Junior Member


Galant VR-4 org Post #: 999696 posted 06/15/11 02:34 PM     Remind Me!  Send Private Message   Edit Post   
not yet, when i towed it the car did pull start but only ran for a sec and when i stoped the car died again.

Posts: 94 | From: YAKIMA WA | Member Since: 01/17/07 | IP: (67.51.213.58) | Report this post to a Moderator


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