Infiniti DTC P1107 – MAP Circuit Intermittent Voltage Low
DTC P1107 meaning on Infiniti
DTC P1107 on an Infiniti refers to a fault with the Manifold Absolute Pressure (MAP) sensor circuit where the voltage is intermittently low. The MAP sensor measures the intake manifold pressure, providing crucial data to the engine control module for fuel delivery and ignition timing.
Infiniti DTC P1107 symptoms
- Check Engine Light (CEL) illuminated
- Reduced engine performance
- Poor fuel economy
- Stalling or rough idling
Infiniti DTC P1107 causes
- Faulty MAP sensor
- Wiring or connector issues in the MAP sensor circuit
- Intermittent electrical connection problems
Infiniti DTC P1107 seriousness
The seriousness of DTC P1107 lies in its potential to affect engine performance and fuel efficiency. Ignoring this fault can lead to further engine issues and increased emissions.
How to diagnose DTC P1107 on Infiniti
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the MAP sensor wiring and connector for damage or corrosion
- Check the MAP sensor voltage using a multimeter
- Perform a smoke test to check for vacuum leaks
How to fix DTC P1107 on Infiniti
- Replace the faulty MAP sensor
- Repair or replace damaged wiring or connectors
- Clean or replace the air filter if necessary
- Clear the DTC and test drive the vehicle to ensure the issue is resolved
How to erase DTC P1107 on Infiniti
- Use a scan tool to clear the DTC
- If the issue has been fixed, the CEL should turn off after a successful clearing of the DTC
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