What causes P1505 on a Honda?

Cracked intake air duct (a Honda staple failure) Disconnected PCV or brake booster hose Leaking intake manifold gasket Unmetered air from a loose clamp Failed EVAP purge seal

How do I fix P1505 on a Honda?

Flex the intake duct while listening for hissing Smoke test the intake tract Inspect every vacuum hose connection Check fuel trims to gauge the leak size Replace the duct or gasket found leaking

P1505 Intake System Leak Detected (Honda)

Q: What does P1505 mean on a Honda?

P1505 — Intake System Leak Detected (Honda). Applies to Civic, Accord, CR-V.

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

What does P1505 mean on a Honda?

P1505 — Intake System Leak Detected (Honda). This Honda-enhanced code applies to Civic, Accord, CR-V.

Common causes of P1505

Cracked intake air duct (a Honda staple failure)
Disconnected PCV or brake booster hose
Leaking intake manifold gasket
Unmetered air from a loose clamp
Failed EVAP purge seal

How to fix P1505

Flex the intake duct while listening for hissing
Smoke test the intake tract
Inspect every vacuum hose connection
Check fuel trims to gauge the leak size
Replace the duct or gasket found leaking