P1251
Manufacturer-specific fault code
This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
2 — Subsystem
Fuel and air metering (injector circuit)
Manufacturer-specific meanings
- Circuito elettrovalvola miscela aria (Mazda) o posizione farfalla (Jaguar)
- Throttle Position
- Air Mixture Solenoid Circuit
- Start Of Injection Solenoid Circuit Short To B+