Ford DTC P1507 – Idle Air Control Under Speed Error
DTC P1507 meaning on Ford
DTC P1507 for Ford indicates an Idle Air Control (IAC) under speed error. This means that the engine’s idle speed is lower than expected based on the inputs received by the powertrain control module (PCM).
Ford DTC P1507 symptoms
- Low or fluctuating idle speed
- Engine stalling at idle
- Rough idle
- Possible check engine light illumination
Ford DTC P1507 causes
- Dirty or faulty Idle Air Control (IAC) valve
- Vacuum leaks in the intake system
- Throttle body issues
- Wiring or connector problems in the IAC circuit
Ford DTC P1507 seriousness
The seriousness of DTC P1507 lies in the potential for engine stalling, rough idle, and drivability issues. Ignoring this DTC can lead to further engine performance problems and potential safety concerns.
How to diagnose DTC P1507 on Ford
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the IAC valve for dirt or carbon buildup
- Check for vacuum leaks in the intake system
- Inspect the throttle body for any issues
- Test the wiring and connectors in the IAC circuit
How to fix DTC P1507 on Ford
- Clean or replace the Idle Air Control (IAC) valve
- Repair any vacuum leaks in the intake system
- Clean the throttle body or replace if necessary
- Repair any wiring or connector issues in the IAC circuit
How to erase DTC P1507 on Ford
- After fixing the underlying issue, use a scan tool to clear the DTC
- Ensure the repair has resolved the problem by monitoring idle speed and engine performance
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