Powertrain, generic · Fuel and air metering, auxiliary emission controls

P00F1 Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 2

Check engine lightOn
EmissionsRelevant
Drive cycleRequired
Limp modeNo

Intake air temperature sensor 3 is a third air temperature sensor in the intake path. On documented turbocharged engines with a humidity sensor it is the manifold temperature sensor behind the charge air cooler, an NTC thermistor read directly by the engine control module and used for cylinder filling and ignition timing. The numbering of intake air temperature sensors differs between manufacturers. P00F1: The signal jumps faster than a real temperature can change, which typically points to a loose contact. No manufacturer description naming this exact code was found; bank 2 codes are intended for engines with two separate intake paths.

Likely causes

Loose contact or wire broken by engine movement
Moisture in the connector
Interference or control module fault

Symptoms

  • Check engine light on
  • Usually no noticeable symptoms; substitute value used
  • Slightly reduced power through knock protection possible

Repair estimate

DifficultyEasyDIY possible
Parts and labour€60–300
Time0.3–2 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

intake air temperature sensor 3 bank2intake air temperature sensor wiring

Related codes

P00EDP00EEP00EFP00F0P00ECP0097

References: law.cornell.edu, gsi.ext.gm.com, en.wikipedia.org.