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On a grand marquis could a how do you know if your fuel pump is broken or not working?

Anonymous

∙ 17y ago

Updated: 12/13/2022

Most injected engines have a fuel pressure test port. Borrow, rent or buy a fuel pressure gauge and connect it to the test port. If you're getting zero or low pressure when you're trying to start the engine, that's probably the problem.

Wiki User

∙ 17y ago

What else can I help you with?

You have no heat in your 1994 mercury grand marquis?

i have no heat in my 1994 mercury grand marquis. what could cause the heat to stop working

2002 Mercury Grand Marquis fan stopped working?

2004 mercury grand marquis fan stop working

What fuse runs the odometer in a 1990 grand marquis?

There is no fuse for the odometer. If it is mechanical and not working it most likely had a stripped or broken gear.

Troubleshoot headlamps on 1988 grand marquis?

troubleshoot head lamps on 1988 grand marquis? Not working...fuses OK

Why else could the heater not work on a grand marquis if i have checked the radiator and heater core?

You have to be more specific. What is not working?

What could be the problem of a rear tag light not working on your 98 Mercury Grand Marquis if the fuses are all ok?

Burned out bulb?

What can cause wipers on 1986 Grand Marquis to run any time key is on?

it is broken

How do you bypass a broken brake light switch on a Mercury grand marquis?

Why ? Just replace it.

Could a front cap off a 2003 grand marquis gs fit on a 2000 grand marquis gs?

don't know.

Turn signal on 1995 Mercury grand marquis not working?

Replace the flasher relay if none of them are working.

Why does my 93 grand marquis make such a noise door locks?

There could be many reasons why the 1993 Grand Marquis make noises when the doors lock. The wiring could be off, or the motor could be going out.

Turn signal not working on 1993 grand marquis and bulb is ok?

check fuse

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