OBD-II Code · Sensors
P0127
Intake Air Temperature Too High
low severitySafe to drive$50-$200
Intake air temp above threshold.
Common symptoms
- CEL
- Reduced power
Likely causes
- Hot IAT
- Failed sensor
- Recirculating hot air
Where to start
- Try the cheapest cause first. Start by checking: hot iat.
- Cost & scope. $50-$200
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.
Related codes
Look up another code
More free tools