AutoCodes – Mazda – P1113 Mazda

P1113 Mazda Code - Intake Air Temperature Circuit Open/Short

Quick Answer

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature Sensor, Intake Air Temperature Sensor harness is open or shorted, Intake Air Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1113 Mazda indicates Intake Air Temperature Circuit Open/Short.
Common causes: Common causes include Faulty Intake Air Temperature Sensor, Intake Air Temperature Sensor harness is open or shorted, Intake Air Temperature Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 5,393

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 21, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1113 Mazda Description

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.

OBDII Code P1113 Mazda - Intake Air Temperature Circuit Open/Short - AutoCodes.com — P1113 Mazda Code - Intake Air Temperature Circuit Open/Short

What does this mean?

What are the Possible Causes of the DTC P1113 Mazda?

Faulty Intake Air Temperature Sensor
Intake Air Temperature Sensor harness is open or shorted
Intake Air Temperature Sensor circuit poor electrical connection

How to Fix the DTC P1113 Mazda?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1113 Mazda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1113 Mazda Code

1. What does the OBDII code P1113 mean on a Mazda?

P1113 indicates a problem with the Intake Air Temperature (IAT) sensor circuit, specifically an open or short in the circuit.

2. What are the symptoms of a P1113 code in a Mazda?

Common symptoms include poor fuel efficiency, rough idling, reduced engine performance, and an illuminated Check Engine Light.

3. What causes the P1113 code to appear on a Mazda?

The code can be caused by a faulty IAT sensor, damaged wiring or connectors, an open or short circuit, or a malfunctioning Engine Control Module (ECM).

4. Can a dirty air filter trigger the P1113 code on a Mazda?

No, a dirty air filter is unlikely to directly cause the code, but it can indirectly affect air intake readings and engine performance.

5. How do I diagnose the P1113 code on my Mazda?

Start by checking the IAT sensor and its wiring for visible damage. Use a multimeter to test the sensor and circuit for proper resistance and continuity.

6. Can I drive my Mazda with a P1113 code?

While the vehicle may still be drivable, operating it with this code can lead to poor performance and potential long-term damage. Itâ€™s best to address the issue promptly.

7. How is the P1113 code fixed on a Mazda?

Repairs may include replacing the IAT sensor, repairing or replacing damaged wiring or connectors, or updating/replacing the ECM if necessary.

8. Where is the IAT sensor located on a Mazda?

The IAT sensor is typically located near the air intake system, often on or near the air filter housing or intake manifold.

9. How much does it cost to fix a P1113 code on a Mazda?

The cost can vary, but replacing an IAT sensor typically ranges from $50 to $150, including parts and labor. Wiring repairs may cost more depending on the extent of the damage.

10. Can a P1113 code on a Mazda be cleared without repairs?

Clearing the code without addressing the issue may turn off the Check Engine Light temporarily, but the code will likely return until the underlying problem is fixed.