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Engine-Codes – Ford – P0113 1998 Ford F150

P0113 1998 Ford F150 Code - Intake Air Temperature Circuit High Input

Quick Answer

The P0113 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates an issue with the Intake Air Temperature (IAT) sensor circuit registering a high input. Common causes include Faulty IAT Sensor: The most common cause of the P0113 code is a malfunctioning IAT sensor, which may be due to internal electrical issues or sensor damage, Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECM can disrupt the signal and trigger the code, Poor Electrical Connection: Loose or poor electrical connections at the IAT sensor or ECM can cause high input readings. 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
P0113 1998 Ford F150 indicates Intake Air Temperature Circuit High Input .
Common causes
Common causes include Faulty IAT Sensor: The most common cause of the P0113 code is a malfunctioning IAT sensor, which may be due to internal electrical issues or sensor damage, Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECM can disrupt the signal and trigger the code, Poor Electrical Connection: Loose or poor electrical connections at the IAT sensor or ECM can cause high input readings.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0113 1998 Ford F150 Description

The P0113 diagnostic trouble code (DTC) for a 1998 Ford F150 indicates an issue with the Intake Air Temperature (IAT) sensor circuit registering a high input. The IAT sensor is responsible for measuring the temperature of the air entering the engine. This information is crucial for the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. When the ECM detects a high input signal from the IAT sensor, it may lead to incorrect fuel delivery, ignition timing, and other engine parameters, resulting in poor performance, reduced fuel efficiency, and increased emissions.

OBDII Code P0113 1998 Ford F150 - Intake Air Temperature Circuit High Input
P0113 1998 Ford F150 Code - Intake Air Temperature Circuit High Input

Common Causes of P0113 1998 Ford F150

  1. Faulty IAT Sensor: The most common cause of the P0113 code is a malfunctioning IAT sensor, which may be due to internal electrical issues or sensor damage.
  2. Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECM can disrupt the signal and trigger the code.
  3. Poor Electrical Connection: Loose or poor electrical connections at the IAT sensor or ECM can cause high input readings.
  4. Intake Air Leaks: Air leaks in the intake system can affect the IAT sensor readings, leading to erroneous high input signals.
  5. ECM Malfunction: In rare cases, a malfunctioning ECM can incorrectly interpret the IAT sensor data, triggering the P0113 code.

Symptoms of P0113 1998 Ford F150

  1. Check Engine Light: The most common symptom associated with the P0113 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Fuel Efficiency: A faulty IAT sensor can cause the engine to run rich or lean, leading to decreased fuel efficiency.
  3. Rough Idle: Incorrect air-fuel mixture can result in a rough idle or stalling of the engine.
  4. Engine Performance Issues: The vehicle may experience a lack of power, hesitation, or surging under acceleration.
  5. Emission Problems: An improperly functioning IAT sensor can lead to increased emissions, potentially causing the vehicle to fail emissions tests.

How to Fix P0113 1998 Ford F150

  1. Diagnose the Issue: Use a scan tool to retrieve the DTC and perform a visual inspection of the IAT sensor and its wiring for any visible damage.
  2. Test IAT Sensor: Test the IAT sensor using a multimeter to check for proper resistance values and ensure it is functioning correctly.
  3. Check Wiring: Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  4. Clear DTC: Clear the DTC with a scan tool after addressing the underlying issue to reset the ECM and turn off the check engine light.
  5. Test Drive: Take the vehicle for a test drive to ensure the repair has resolved the P0113 code and that the engine is operating correctly.

Cost to Fix P0113 1998 Ford F150

The typical repair costs for addressing a P0113 code on a 1998 Ford F150 can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty IAT sensor ranges from $50 to $150, while addressing wiring or connection issues may require additional labor costs. Overall, the repair for this code could range from $100 to $300, including parts and labor. It is advisable to consult with a trusted mechanic or auto repair shop to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle. Keep in mind that labor rates can vary between different locations and types of repair facilities.

What does this mean?

Tech Notes for P0113 1998 Ford F150

Before replacing the Mass Air Flow (MAF) sensor, try replacing the air filter and cleaning the Mass Air Flow sensor with Mass Air Flow sensor cleaner. Reset code and drive the vehicle. If the code comes back, it may be necessary to replace the Mass Air Flow sensor.











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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 P0113 1998 Ford F150 Code

1. What are the common symptoms of OBDII code P0113 on a 1998 Ford F150?

- Common symptoms include poor engine performance, decreased fuel efficiency, rough idling, and possibly stalling.

2. What does the OBDII code P0113 indicate on a 1998 Ford F150?

- The code indicates a high input signal from the intake air temperature (IAT) sensor circuit.

3. What are the possible causes of OBDII code P0113 on a 1998 Ford F150?

- Possible causes include a faulty IAT sensor, damaged wiring or connectors in the IAT circuit, or a problem with the engine control module (ECM).

4. How can I diagnose the cause of OBDII code P0113 on my 1998 Ford F150?

- Use a multimeter to test the IAT sensor resistance, check for damaged wires or connectors, and inspect the ECM for any signs of damage.

5. Can a dirty air filter trigger OBDII code P0113 on a 1998 Ford F150?

- Yes, a dirty air filter can disrupt the airflow and affect the IAT sensor readings, potentially leading to a high input signal.

6. Is it safe to continue driving with OBDII code P0113 on a 1998 Ford F150?

- It is not recommended to drive with this code active, as it can negatively impact the engine's performance and fuel efficiency.

7. How can I reset OBDII code P0113 on my 1998 Ford F150?

- Resetting the code can be done using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

8. Can I replace the IAT sensor myself to fix OBDII code P0113 on a 1998 Ford F150?

- Yes, replacing the IAT sensor is a relatively simple DIY task that can often resolve the issue.

9. Are there any preventive maintenance tips to avoid OBDII code P0113 on a 1998 Ford F150?

- Regularly inspect and clean the IAT sensor, check for any damaged wires or connectors, and replace the air filter as recommended.

10. How much does it typically cost to repair OBDII code P0113 on a 1998 Ford F150 at a mechanic?

- The cost of repair can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.

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  • 98 f150 new mass air ,harmonic balancer crank sensor ,cam sensor, injectors , fuel pump, fuel rail regulator ,all 4 oxygen sensors, coil from ford ,imrc grommets new intake torque right ,number 4 on coil and 5 switched truck runs ,not right but runs firing order 123 on block 123 on coil front to back passenger side, driver side 456 on block coil 564 front to back truck acts like it's out of time switched 5 and 5 on coil runs I put number one up used tool for synchronizer put in , now 0 on balancer pointing to zero on block 6 teeth back I assume on the gear behind balancer the space on the gearxshoukd be lined with crank sensor , but on zero put sync on with tool on top then cam sensor ,what am I doing wrong

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