What causes P1162 on a Honda?

Failed primary air-fuel ratio sensor element Open or shorted heater or signal wiring to sensor 1 Blown A/F sensor heater fuse Exhaust manifold crack skewing the sensor sample

How do I fix P1162 on a Honda?

Check the A/F heater fuse and relay before any sensor work Test heater resistance and signal wiring against Honda service data Inspect the exhaust manifold for cracks common on high-mileage Civics and Accords Replace the primary sensor with an OEM-grade part if the circuit is intact Clear codes and verify sensor current responds on an HDS scan tool

P1162 Primary HO2S No 1 Circuit Malfunction

Q: What does P1162 mean on a Honda?

P1162 — Primary HO2S No 1 Circuit Malfunction. Applies to Civic, Accord, CR-V, Odyssey.

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: Civic, Accord, CR-V, Odyssey

What does P1162 mean on a Honda?

P1162 — Primary HO2S No 1 Circuit Malfunction. This Honda-enhanced code applies to Civic, Accord, CR-V, Odyssey.

Common causes of P1162

Failed primary air-fuel ratio sensor element
Open or shorted heater or signal wiring to sensor 1
Blown A/F sensor heater fuse
Exhaust manifold crack skewing the sensor sample

How to fix P1162

Check the A/F heater fuse and relay before any sensor work
Test heater resistance and signal wiring against Honda service data
Inspect the exhaust manifold for cracks common on high-mileage Civics and Accords
Replace the primary sensor with an OEM-grade part if the circuit is intact
Clear codes and verify sensor current responds on an HDS scan tool