What causes P1130 on a Ford?

Fuel trim corrections maxed out by a persistent lean or rich fault Aging bank 1 upstream oxygen sensor responding slowly Vacuum leak or fuel delivery fault driving trims to the limit Exhaust leak diluting the sensor sample Contaminated sensor from coolant or silicone

How do I fix P1130 on a Ford?

Read long-term fuel trims — the direction they are pegged reveals lean or rich Fix the underlying lean or rich cause before touching the sensor Check the exhaust ahead of the sensor for leaks Watch upstream sensor switching speed on a scan tool Replace the bank 1 upstream sensor only after trims are back in range

P1130 Lack of Upstream HO2S Switch - Adaptive Fuel at Limit (Bank 1)

Q: What does P1130 mean on a Ford?

P1130 — Lack of Upstream HO2S Switch - Adaptive Fuel at Limit (Bank 1). Applies to F-150, Mustang, Explorer, Ranger with V6 and V8 engines.

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: F-150, Mustang, Explorer, Ranger with V6 and V8 engines

What does P1130 mean on a Ford?

P1130 — Lack of Upstream HO2S Switch - Adaptive Fuel at Limit (Bank 1). This Ford-enhanced code applies to F-150, Mustang, Explorer, Ranger with V6 and V8 engines.

Common causes of P1130

Fuel trim corrections maxed out by a persistent lean or rich fault
Aging bank 1 upstream oxygen sensor responding slowly
Vacuum leak or fuel delivery fault driving trims to the limit
Exhaust leak diluting the sensor sample
Contaminated sensor from coolant or silicone

How to fix P1130

Read long-term fuel trims — the direction they are pegged reveals lean or rich
Fix the underlying lean or rich cause before touching the sensor
Check the exhaust ahead of the sensor for leaks
Watch upstream sensor switching speed on a scan tool
Replace the bank 1 upstream sensor only after trims are back in range