P0127

Intake Air Temperature Too High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

Symptoms

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

Causes

Intake Air Temperature (IAT) Sensor Malfunction
Damage to the sensor wiring harness
Problems with the cooling system
Contamination or damage to the intake system

How to Fix

Check Intake Air Temperature (IAT) Sensor
Inspect the wiring harness for damage
Check the cooling system
Clean or replace the intake system if necessary

Related codes

P0112 P0113 P0128