Subaru OBD-II 1996 & Newer models DTC P1141 – Mass Air Flow Sensor Circuit High Input
DTC P1141 meaning on Subaru OBD-II 1996 & Newer models
DTC P1141 on Subaru OBD-II 1996 & Newer models indicates a high input signal from the Mass Air Flow (MAF) sensor circuit. The Engine Control Module (ECM) detects that the MAF sensor signal is higher than expected, potentially leading to incorrect air/fuel mixture calculations.
Subaru OBD-II 1996 & Newer models DTC P1141 symptoms
- Check Engine Light (CEL) illuminated
- Decreased fuel efficiency
- Engine may run rough or stall
- Reduced engine performance
Subaru OBD-II 1996 & Newer models DTC P1141 causes
- Dirty or faulty MAF sensor
- Wiring issues in the MAF sensor circuit
- Intake air leaks
- Faulty ECM
Subaru OBD-II 1996 & Newer models DTC P1141 seriousness
The seriousness of DTC P1141 on Subaru OBD-II 1996 & Newer models lies in the potential for incorrect air/fuel mixture calculations, which can lead to engine performance issues and decreased fuel efficiency. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P1141 on Subaru OBD-II 1996 & Newer models
- Inspect the MAF sensor for dirt or damage
- Check the wiring and connectors in the MAF sensor circuit for any issues
- Perform a smoke test to check for intake air leaks
- Use a scan tool to monitor MAF sensor data and compare it to expected values
How to fix DTC P1141 on Subaru OBD-II 1996 & Newer models
- Clean or replace the MAF sensor if dirty or faulty
- Repair any wiring issues in the MAF sensor circuit
- Address any intake air leaks found during diagnosis
- If necessary, replace the ECM
How to erase DTC P1141 on Subaru OBD-II 1996 & Newer models
To erase DTC P1141 on Subaru OBD-II 1996 & Newer models, you can use a scan tool to clear the code. Alternatively, disconnecting the vehicle’s battery for a few minutes may also reset the ECM and clear the code.
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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