What causes P1381 on a Honda?

Intermittent cylinder position sensor wiring in the distributor harness Oil contamination of the CYP sensor from a leaking distributor seal Worn distributor shaft causing erratic CYP pulses Heat-related sensor dropout

How do I fix P1381 on a Honda?

Monitor CYP signal while wiggle-testing the harness with an HDS scan tool Inspect inside the distributor for oil from a failed shaft seal Check distributor shaft end-play and bearing smoothness Replace the sensor or distributor housing only after wiring is verified Clear codes and retest hot and cold

P1381 Cylinder Position Sensor Intermittent Interruption

Q: What does P1381 mean on a Honda?

P1381 — Cylinder Position Sensor Intermittent Interruption. Applies to Civic, Accord, Odyssey, Prelude.

Category: Powertrain - Ignition
Severity: Check Engine Light
Applies to: Civic, Accord, Odyssey, Prelude

What does P1381 mean on a Honda?

P1381 — Cylinder Position Sensor Intermittent Interruption. This Honda-enhanced code applies to Civic, Accord, Odyssey, Prelude.

Common causes of P1381

Intermittent cylinder position sensor wiring in the distributor harness
Oil contamination of the CYP sensor from a leaking distributor seal
Worn distributor shaft causing erratic CYP pulses
Heat-related sensor dropout

How to fix P1381

Monitor CYP signal while wiggle-testing the harness with an HDS scan tool
Inspect inside the distributor for oil from a failed shaft seal
Check distributor shaft end-play and bearing smoothness
Replace the sensor or distributor housing only after wiring is verified
Clear codes and retest hot and cold