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2000 Mercury Grand Marquis LS 4.6L Fuel Pump
Posted to Ford Electrical on 4/4/2013 13 Replies

Hi all, I put the fuel pump pressure tester in the fuel rail and found the pressure to be 20psi and its suppose to be 30 to 35psi. when you turn on the head lights the pressure goes from 20psi right on down to nothing and stalls. Got two codes one was a Po232 ...

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  Related Documents & Media  2000 Mercury Grand Marquis LS

 
Message Closed w/Summary

car Vehicle Data

2000 Mercury Grand Marquis LS

VIN 2MEFM75W1Y
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedFuel Pump
ConditionsLoad on Pump
Message Closed w/Summary

car Vehicle Data

2000 Mercury Grand Marquis LS

VIN 2MEFM75W1Y
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedFuel Pump
ConditionsLoad on Pump