AutoCodes – Ford – P0198 2009 Ford Fusion

P0198 2009 Ford Fusion Code - Engine Oil Temperature Sensor Circuit High Input

Quick Answer

The Powertrain Control Module (PCM) monitors the Engine Oil Temperature (EOT) Sensor. Common causes include Faulty Engine Oil Temperature sensor, Engine Oil Temperature sensor harness is open or shorted, Engine Oil 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: P0198 2009 Ford Fusion indicates Engine Oil Temperature Sensor Circuit High Input.
Common causes: Common causes include Faulty Engine Oil Temperature sensor, Engine Oil Temperature sensor harness is open or shorted, Engine Oil 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 1,920

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0198 2009 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the Engine Oil Temperature (EOT) Sensor. The PCM sets the Diagnostic Trouble Code (DTC) when the Engine Oil Temperature Sensor is not to factory specifications. Indicates Engine Oil Temperature signal voltage is high (low temperature).

OBDII Code P0198 2009 Ford Fusion - Engine Oil Temperature Sensor Circuit High Input - AutoCodes.com — P0198 2009 Ford Fusion Code - Engine Oil Temperature Sensor Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P0198 2009 Ford Fusion?

Faulty Engine Oil Temperature sensor
Engine Oil Temperature sensor harness is open or shorted
Engine Oil Temperature sensor circuit poor electrical connection

How to Fix the DTC P0198 2009 Ford Fusion?

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 P0198 2009 Ford Fusion 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.

Need more information about the P0198 2009 Ford Fusion code?

Need more information on how to fix the P0198 2009 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0198 2009 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 P0198 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P0198 in a 2009 Ford Fusion?

The common symptoms of code P0198 in a 2009 Ford Fusion include the check engine light coming on, poor fuel economy, and potential issues with the engine's performance.

2. What does the OBDII code P0198 indicate in a 2009 Ford Fusion?

OBDII code P0198 in a 2009 Ford Fusion indicates a problem with the Engine Oil Temperature Sensor Circuit High Input.

3. What are the possible causes of OBDII code P0198 in a 2009 Ford Fusion?

Possible causes of code P0198 in a 2009 Ford Fusion include a faulty engine oil temperature sensor, wiring issues in the sensor circuit, or a malfunction in the engine control module.

4. How can I diagnose the OBDII code P0198 in my 2009 Ford Fusion?

To diagnose OBDII code P0198 in a 2009 Ford Fusion, you can use an OBDII scanner to retrieve the specific trouble code, inspect the engine oil temperature sensor and its wiring for any damage, and test the sensor's resistance with a multimeter.

5. Can I still drive my 2009 Ford Fusion with OBDII code P0198?

It is not recommended to drive your 2009 Ford Fusion with OBDII code P0198, as it can lead to further damage to the engine and potentially affect its performance.

6. How do I repair OBDII code P0198 in a 2009 Ford Fusion?

To repair OBDII code P0198 in a 2009 Ford Fusion, you may need to replace the engine oil temperature sensor, repair any damaged wiring in the sensor circuit, or reprogram the engine control module if necessary.

7. Is it possible to reset OBDII code P0198 in a 2009 Ford Fusion without repairs?

Resetting OBDII code P0198 in a 2009 Ford Fusion without addressing the underlying issue may temporarily turn off the check engine light, but the code is likely to reappear once the problem persists.

8. How much does it cost to fix OBDII code P0198 in a 2009 Ford Fusion?

The cost to fix OBDII code P0198 in a 2009 Ford Fusion can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or module reprogramming, with potential costs ranging from $100 to $500 or more.

9. Can a DIY enthusiast repair OBDII code P0198 in a 2009 Ford Fusion?

A DIY enthusiast with the necessary tools and knowledge of automotive repair may be able to address OBDII code P0198 in a 2009 Ford Fusion by following repair guides or consulting with experts for guidance.

10. How often does OBDII code P0198 occur in a 2009 Ford Fusion?

OBDII code P0198 in a 2009 Ford Fusion is a relatively uncommon issue, but it can occur due to sensor or wiring faults, and prompt attention is recommended to prevent further complications.