What does code P026F mean?

Q: What does code P026F mean?

Coolant Thermostat Performance. This code indicates that the engine computer has detected a problem with the coolant thermostat's ability to regulate engine temperature as expected. The computer monitors coolant temperature over time and compares the warm-up rate and operating temperature to a model; when the temperature rises too slowly or never reaches the target range, it sets this code.

DTC codes / P02xx · Fuel and air metering (injector circuits) / P026F

P026FCoolant Thermostat Performance

This code indicates that the engine computer has detected a problem with the coolant thermostat's ability to regulate engine temperature as expected. The computer monitors coolant temperature over time and compares the warm-up rate and operating temperature to a model; when the temperature rises too slowly or never reaches the target range, it sets this code.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering (injector circuits)

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.