P1231 MERCURY - High Speed Fuel Pump Relay Activated
P1231 MERCURY Possible Causes
- Faulty High Speed Fuel Pump
- High Speed Fuel Pump harness is open or shorted
- High Speed Fuel Pump circuit poor electrical connection
How do I fix code P1231 MERCURY?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1231 MERCURY code
Labor: 1.0The cost of diagnosing the P1231 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P1231 MERCURY MeaningThe Engine Control Module (ECM) energized the high speed fuel pump and detected no current flow on the circuit.
P1231 MERCURY More InformationNeed more information on how to fix the P1231 MERCURY code?
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