What causes P1458 on a Honda?

FTP sensor zero-point shift out of range Vent shut valve stuck closed mimicking a sensor fault Open or short in FTP sensor wiring Electrical noise on the FTP sensor signal line Failed FTP sensor element

How do I fix P1458 on a Honda?

Check for companion vent-valve code P2422 before testing the sensor Compare the FTP reading to atmospheric pressure on a cold start with HDS Command the vent shut valve and confirm it opens and seals Test FTP wiring for opens, shorts, and noise Replace the FTP sensor if its zero point stays out of range, then verify

P1458 Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem

Q: What does P1458 mean on a Honda?

P1458 — Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem. Applies to Civic, Accord.

Category: Powertrain - Auxiliary Emissions Controls
Severity: Check Engine Light
Applies to: Civic, Accord

What does P1458 mean on a Honda?

P1458 — Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem. This Honda-enhanced code applies to Civic, Accord.

Common causes of P1458

FTP sensor zero-point shift out of range
Vent shut valve stuck closed mimicking a sensor fault
Open or short in FTP sensor wiring
Electrical noise on the FTP sensor signal line
Failed FTP sensor element

How to fix P1458

Check for companion vent-valve code P2422 before testing the sensor
Compare the FTP reading to atmospheric pressure on a cold start with HDS
Command the vent shut valve and confirm it opens and seals
Test FTP wiring for opens, shorts, and noise
Replace the FTP sensor if its zero point stays out of range, then verify