What causes P1386 on a Honda?

Distributor-internal cylinder position sensor 2 with an intermittent open Worn distributor shaft bushing letting the reluctor wobble Chafed CYP sensor 2 wiring shorting intermittently Corroded distributor connector pins breaking contact over bumps Oil intrusion into the distributor from a failed internal seal

How do I fix P1386 on a Honda?

Wiggle-test the distributor harness while watching the CYP 2 signal on a scope Inspect inside the distributor cap for oil contamination and shaft play Check the connector pins for corrosion and spread terminals Test CYP sensor 2 resistance and compare to the service manual range Replace the distributor assembly if the signal drops out with shaft play or oil inside

P1386 Cylinder Position Sensor 2 Intermittent Interruption

Q: What does P1386 mean on a Honda?

P1386 — Cylinder Position Sensor 2 Intermittent Interruption. Applies to Accord, Prelude, Odyssey with distributor-mounted CYP sensors.

Category: Powertrain - Ignition
Severity: Check Engine Light
Applies to: Accord, Prelude, Odyssey with distributor-mounted CYP sensors

What does P1386 mean on a Honda?

P1386 — Cylinder Position Sensor 2 Intermittent Interruption. This Honda-enhanced code applies to Accord, Prelude, Odyssey with distributor-mounted CYP sensors.

Common causes of P1386

Distributor-internal cylinder position sensor 2 with an intermittent open
Worn distributor shaft bushing letting the reluctor wobble
Chafed CYP sensor 2 wiring shorting intermittently
Corroded distributor connector pins breaking contact over bumps
Oil intrusion into the distributor from a failed internal seal

How to fix P1386

Wiggle-test the distributor harness while watching the CYP 2 signal on a scope
Inspect inside the distributor cap for oil contamination and shaft play
Check the connector pins for corrosion and spread terminals
Test CYP sensor 2 resistance and compare to the service manual range
Replace the distributor assembly if the signal drops out with shaft play or oil inside