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1999 Ford Mustang 3.8L No Start
Posted to Ford Driveability on 1/25/2011 6 Replies

The car was towed in again in January. Same thing exactly. Code P1237 Megaohms resistance at both FP driver module and harness to fuel pump. Jump 12 volts direct to pump: nothing. Harness wiring very low resistance. How can it need ANOTHER new Motorcraft pump?...

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  Related Documents & Media  1999 Ford Mustang

 
Message Closed w/FIX

car Vehicle Data

1999 Ford Mustang

VIN 1FAFP4046X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P1237High Fuel Pressure Regulator Control Circuit Short To Ground
Message Closed w/FIX

car Vehicle Data

1999 Ford Mustang

VIN 1FAFP4046X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P1237High Fuel Pressure Regulator Control Circuit Short To Ground