C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Oct 8, 2011 | 11:50 PM
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From: Lafayette/marquez La/tx
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I know, I know, I know......But there are some good mechanics/ techs here. My son just left for his third tour in Iraq. Air Force. His 98 grand marquis will not start...no fuel. It has been sitting for a while 6-8 months and it was running when he parked it. I am trying to fix it for him. If I spray gas into the intake it will start.. but won't stay running. I checked power to the fuel pump at the pump with a test light....the light was very dim, but it did light up. The fuel shut off switch is not tripped. I disconnected fuel lines at intake,,no fuel. Any Ideas?
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Old Oct 9, 2011 | 01:43 AM
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Try changing fuel filter first, if that doesn't help. Most likely fuel pump, in tank, if you replace the pump make sure to clean inside of tank and replace pickup screen and fuel filter.
Some Fords you can hear pump running in the tank. In tank pump failures are usually caused by clogged filter or debris. I have several Fuel injected Ford trucks and vans, I consider fuel pump as a maintenance item but changing filters about every 15000 miles will get the most life out of any fuel pump.
Stay away from the cheapo imported pumps dropping the fuel tank is not that easy a job for most average Joes .
Good Luck

Last edited by 6t9427; Oct 9, 2011 at 01:46 AM.
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Old Oct 9, 2011 | 08:14 AM
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Aussie Fords have a fuel pump relay in the engine bay, it half green half black, try that first, maybe try a bypass to check it
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