Code result
P00F1
Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 2
Moderate severity
What it means
Intermittent signal from IAT sensor 3 on bank 2. The intake air temperature sensor feeds the ECM's density calculation — a drifted reading miscalculates fuel mass and pushes mixture lean (cold reading) or rich (hot reading).
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Connector loose or corroded
highOne of the most commonly reported causes for this code — check this first.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Harness routed against vibrating component
lowLess common, but worth ruling out after the more likely causes.
Related help
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