What causes P1579 on a Ford?

PCM limiting power for a detected throttle fault Overheating throttle motor Companion ETC code forcing the limit Low system voltage Failing throttle body

How do I fix P1579 on a Ford?

Read companion ETC codes — fix those first Check charging voltage Inspect the throttle body for binding Clear and verify normal mode returns Replace the throttle body if limiting persists

P1579 Electronic Throttle Control in Power Limiting Mode

Q: What does P1579 mean on a Ford?

P1579 — Electronic Throttle Control in Power Limiting Mode. Applies to F-150, Explorer, Expedition with electronic throttle.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: F-150, Explorer, Expedition with electronic throttle

What does P1579 mean on a Ford?

P1579 — Electronic Throttle Control in Power Limiting Mode. This Ford-enhanced code applies to F-150, Explorer, Expedition with electronic throttle.

Common causes of P1579

PCM limiting power for a detected throttle fault
Overheating throttle motor
Companion ETC code forcing the limit
Low system voltage
Failing throttle body

How to fix P1579

Read companion ETC codes — fix those first
Check charging voltage
Inspect the throttle body for binding
Clear and verify normal mode returns
Replace the throttle body if limiting persists