Exhaust Gas Temperature Sensor Range/Performance
Findings, check these first
- Drifting exhaust temperature sensor
- Heat-damaged wiring
- Intermittent connector in the hot zone
- Soot-fouled sensor tip
- Failing sensor
Standard procedure
- Inspect wiring along the exhaust routing
- Clean soot from the sensor tip
- Compare readings to expected exhaust heat
- Wiggle-test the connector hot
- Replace the sensor if readings drift
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: P1455 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1455: Evap Emission Control Sys Leak Detected (Gross Leak/No Flow)
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1455 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1455: Evaporative Emission Control System Gross Leak Detected
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-06.
Report a correction for P1455. Include your vehicle, the issue and a source if you have one.