1999 Ford Mustang 3.8L No Start
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?...
FIX posted 2/7/2011
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Message Closed w/FIX
Vehicle Data1999 Ford Mustang
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Ford Mustang
VIN | 1FAFP4046X |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Always |
Trouble Codes
P1237 | High Fuel Pressure Regulator Control Circuit Short To Ground |