Fuel Level Sensor Signal 1 Open/Short
1992-1996 BMW 318is E36 1.8L I4
Description
The DME detected an open or short circuit in fuel level sensor signal 1. The fuel level reading is unreliable, which can affect fuel injection calculations and range estimation.
Symptoms
- Check Engine Light
- Fuel gauge reading incorrectly
- Fuel range display inaccurate
- Possible engine running issues
Common Causes
- Faulty fuel level sensor (sender unit)
- Damaged wiring to fuel level sensor
- Corroded connector at fuel tank
- Instrument cluster fault
Diagnostic Steps
- Test fuel level sensor resistance range
- Inspect wiring from tank to DME
- Check connector at fuel pump module
- Verify signal at DME connector
Repair Notes
Replace fuel level sensor or repair damaged wiring at the fuel tank.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1250 on Other Vehicles
Common Questions
What does code P1250 mean on a 1992-1996 BMW 318is E36?
P1250 stands for "Fuel Level Sensor Signal 1 Open/Short". The DME detected an open or short circuit in fuel level sensor signal 1. The fuel level reading is unreliable, which can affect fuel injection calculations and range estimation.
What are the symptoms of P1250 on a BMW 318is E36?
Common symptoms of P1250 include: Check Engine Light, Fuel gauge reading incorrectly, Fuel range display inaccurate, Possible engine running issues.
What causes P1250 on a 1992-1996 BMW 318is E36?
Common causes of P1250 include: Faulty fuel level sensor (sender unit), Damaged wiring to fuel level sensor, Corroded connector at fuel tank, Instrument cluster fault.