P1431 BUICK Possible Causes
- Faulty Fuel Level Sensor
- Fuel Level Sensor harness is open or shorted
- Fuel Level Sensor circuit poor electrical connection
First diagnose P1431 BUICK code
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 terminals.
Cost of diagnosing the P1431 BUICK code
Labor: 1.0The cost of diagnosing the P1431 BUICK 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.
P1431 BUICK Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1431 BUICK MeaningWith the engine running, the Powertrain Control Module (PCM) detects one of these 3 conditions
1. With the secondary fuel tank not empty, more than 150 miles have been accumulated and then the PCM did not detect that the fuel level in the right fuel tank moved by at least 0 80 gallons
2. With the secondary fuel tank not empty and the primary fuel tank not full, engine runtime over 60 minutes, that the primary tank did not achieve the top of its range Observe after operating the engine for greater than 60 minutes that the fuel in the right fuel tank will transfer to the left fuel tank
3. With the secondary fuel tank empty and the primary fuel tank full, that the fuel level in both fuel tanks did not change after traveling more than 200 miles With the secondary fuel tank empty, observe if the primary fuel level decreased after 200 miles
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