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OBD Code P0113

Intake Air Temperature Circuit High Input

CodeP0113
DescriptionIntake Air Temperature Circuit High Input
Possible CausesOpen circuit; Bad sensor; Disconnected connector
SymptomsEngine thinks air is cold; Lean running
SystemAir Metering

What Does P0113 Mean?

Intake Air Temperature Circuit High Input. This diagnostic trouble code (DTC) is stored when the vehicle's onboard computer detects an issue with the air metering.

Code Breakdown

P = Powertrain code

0 = Generic (SAE standard)

How to Fix P0113

Follow these diagnostic steps to identify and resolve the issue. Always start with the simplest checks before moving to more involved repairs.

  1. Connect an OBD-II scanner and record all stored codes, pending codes, and freeze frame data.
  2. Research the specific code for your vehicle make and model — manufacturer-specific codes can vary between brands.
  3. Inspect the wiring, connectors, and related sensors for the system indicated by the code.
  4. Check for Technical Service Bulletins (TSBs) from the manufacturer that may address this code.
  5. Test the component indicated by the code using a multimeter or appropriate diagnostic tool.
  6. Repair or replace the faulty component as indicated by your diagnosis.
  7. Clear codes and drive through a complete drive cycle to verify the repair holds.

Note: These are general diagnostic guidelines. Some vehicles may have model-specific procedures. Always consult your vehicle's service manual for exact specifications and torque values. If you are not comfortable performing these steps, visit a qualified mechanic.

Frequently Asked Questions

Is P0113 serious?

P0113 is generally considered a low-severity code. While it should still be addressed, it is unlikely to cause immediate safety concerns. However, ignoring it long-term may lead to higher emissions or reduced fuel economy.

Can I clear P0113 myself?

You can clear any OBD-II code with a code scanner or by disconnecting the battery for 15-30 minutes. However, clearing the code without fixing the underlying problem will cause it to return, usually within one or two drive cycles. If the code triggered the check engine light, the light will come back on. Fix the root cause first, then clear the code.

How much does it cost to fix P0113?

Repair costs vary widely depending on the root cause. Some fixes are free (like tightening a gas cap) while others can cost several hundred dollars (like replacing a catalytic converter or oxygen sensor). A proper diagnosis with a professional scan tool, not just reading the code, is the first step to getting an accurate repair estimate. Many auto parts stores offer free code reading, but a thorough diagnosis usually requires a mechanic.

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