P00A9

Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic Bank 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Check Engine Light Illuminates

Causes

Damage to the sensor wiring harness
Poor contact in the sensor connector
Intake air temperature sensor malfunction
Short circuit or open circuit in the sensor circuit
Problems with the engine ECU

How to Fix

Check the integrity of the sensor wiring harness
Clean sensor connector contacts
Check IAT sensor resistance
Replace the intake air temperature sensor if necessary
Check the operation of the engine ECU

Related codes

P0112 P0113 P0114