The most common causes are: Disconnected or loose IAT sensor connector; Failed IAT sensor; Open circuit or broken wire in the sensor circuit; Corroded connector pins; Dirty sensor element (on sensors integrated into the MAF).

How much does it cost to fix P0113?

Typical repairs range from $0–$50 for reconnect or clean connector up to $150–$400 for replace maf/iat combined assembly. Costs vary by vehicle and region.

P0113powertrain

P0113 – Intake Air Temperature Circuit High Input

What does P0113 mean?

The intake air temperature (IAT) sensor is reporting a voltage higher than the expected range, which the computer interprets as an implausibly cold or disconnected sensor. The IAT sensor tells the computer how dense the incoming air is so it can adjust fuel delivery accordingly.

What causes P0113?

Listed from most to least common:

1Disconnected or loose IAT sensor connector
2Failed IAT sensor
3Open circuit or broken wire in the sensor circuit
4Corroded connector pins
5Dirty sensor element (on sensors integrated into the MAF)

Code breakdown

SystemP — Powertrain

TypeGeneric (standardized SAE / OBD-II code — same meaning across most manufacturers)

SubsystemFuel and air metering

Common symptoms

Check engine light on
Slightly harder starting, especially when cold
Minor reduction in fuel economy
Usually normal drivability

How to diagnose

1Locate the IAT sensor — on many vehicles it is built into the MAF sensor assembly.
2Check that the connector is fully seated and undamaged.
3Inspect the wiring for breaks, chafing, or rodent damage.
4Measure sensor resistance and compare against the temperature/resistance chart for your vehicle.
5Compare the IAT reading against ambient temperature with the engine cold — they should be close.

Usually minor. The computer substitutes a default value, so drivability is often near normal, though fuel economy and cold starting can suffer.

Common fixes and estimated costs

Repair	Estimated cost
Reconnect or clean connector	$0–$50
Repair wiring	$80–$250
Replace IAT sensor	$60–$200
Replace MAF/IAT combined assembly	$150–$400

Costs are rough US estimates including parts and labor. Actual pricing varies significantly by vehicle, region, and shop rates.

Good to know

Check the connector first — this code frequently appears after intake work, air filter changes, or any service where the connector may have been bumped loose.

Back to all Powertrain Codes →

This information is provided for general reference only and may vary by manufacturer, model, and year. It is not a substitute for professional diagnosis or repair.