What causes P1507 on a Ford?

Carbon-choked IAC passages starving idle airflow Sticking IAC pintle that will not open far enough Excess engine load from a failing accessory or A/C compressor Restricted air intake Weak IAC driver circuit

How do I fix P1507 on a Ford?

Clean the IAC valve, passages and throttle body Check for accessory drag with the belt removed Inspect the air filter and intake for restriction Compare desired versus actual RPM on a scanner Replace the IAC valve if cleaning does not restore idle speed

P1507 Idle Air Control Under-Speed Error

Q: What does P1507 mean on a Ford?

P1507 — Idle Air Control Under-Speed Error. Applies to F-150, Mustang, Ranger, Explorer.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: F-150, Mustang, Ranger, Explorer

What does P1507 mean on a Ford?

P1507 — Idle Air Control Under-Speed Error. This Ford-enhanced code applies to F-150, Mustang, Ranger, Explorer.

Common causes of P1507

Carbon-choked IAC passages starving idle airflow
Sticking IAC pintle that will not open far enough
Excess engine load from a failing accessory or A/C compressor
Restricted air intake
Weak IAC driver circuit

How to fix P1507

Clean the IAC valve, passages and throttle body
Check for accessory drag with the belt removed
Inspect the air filter and intake for restriction
Compare desired versus actual RPM on a scanner
Replace the IAC valve if cleaning does not restore idle speed