AutoCodes – Ford – P0298 Ford

P0298 Ford Code - Engine Oil Over Temperature Condition

Quick Answer

Indicates the Engine Oil Temperature Protection (EOT) strategy in the Engine Control Module (ECM) has been activated. Common causes include Low or dirty motor oil condition, Faulty Oil Pressure Switch, Faulty Engine Oil Temperature (EOT) sensor. 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: P0298 Ford indicates Engine Oil Over Temperature Condition.
Common causes: Common causes include Low or dirty motor oil condition, Faulty Oil Pressure Switch, Faulty Engine Oil Temperature (EOT) sensor.
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 10,265

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 Apr 14, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0298 Ford Description

Indicates the Engine Oil Temperature Protection (EOT) strategy in the Engine Control Module (ECM) has been activated. This temporarily prohibits high engine speed operation by disabling injectors, reducing the risk of engine damage from high engine oil temperature.

OBDII Code P0298 Ford - Engine Oil Over Temperature Condition - AutoCodes.com — P0298 Ford Code - Engine Oil Over Temperature Condition

What does this mean?

What are the Possible Causes of the DTC P0298 Ford?

Low or dirty motor oil condition
Faulty Oil Pressure Switch
Faulty Engine Oil Temperature (EOT) sensor
Engine overheating condition
Very high engine RPM for an extended period of time

How to Fix the DTC P0298 Ford?

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 does this mean?

Code Tech Notes

On engines which are equipped with an oil temperature sensor, the Engine Control Module (ECM) reads oil temperature to determine if it is excessive. When an oil temperature sensor is not present, the ECM uses an oil algorithm to infer actual temperature. Engine shutdown strategy function is the same on vehicles with and without oil temperature sensors.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0298 Ford 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 P0298 Ford code?

Need more information on how to fix the P0298 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0298 Ford code diagnosed by a professional: Find a repair shop in your area

Information for Specific Ford Models

P0298 1997 Ford F150 — Engine Oil Over Temperature Condition
P0298 1998 Ford F150 — Engine Oil Over Temperature Condition
P0298 1999 Ford F150 — Engine Oil Over Temperature Condition
P0298 2000 Ford F150 — Engine Oil Over Temperature Condition
P0298 2001 Ford F150 — Engine Oil Over Temperature Condition
P0298 2002 Ford F150 — Engine Oil Over Temperature Condition
P0298 2003 Ford F150 — Engine Oil Over Temperature Condition
P0298 2006 Ford Fusion — Engine Oil Over Temperature Condition
P0298 2007 Ford Fusion — Engine Oil Over Temperature Condition
P0298 2008 Ford Fusion — Engine Oil Over Temperature Condition
P0298 2009 Ford Fusion — Engine Oil Over Temperature Condition
P0298 2010 Ford Fusion — Engine Oil Over Temperature Condition
P0298 2011 Ford Fusion — Engine Oil Over Temperature Condition
P0298 2012 Ford Fusion — Engine Oil Over Temperature Condition

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 P0298 Ford Code

1. What does the OBDII code P0298 mean on a Ford vehicle?

Code P0298 indicates that the engine oil temperature has exceeded its normal operating range, which can lead to potential engine damage if not addressed.

2. What are the common symptoms of code P0298 in Ford vehicles?

Symptoms may include an illuminated Check Engine Light, reduced engine performance, overheating warnings, or strange engine noises due to excessive oil temperature.

3. What causes the P0298 code in Ford vehicles?

Common causes include low engine oil level, degraded oil quality, a failing oil temperature sensor, issues with the oil cooler system, or prolonged heavy engine load.

4. Can a bad oil temperature sensor trigger the P0298 code?

Yes, a faulty oil temperature sensor may send incorrect data to the engine control module (ECM), causing the P0298 code to appear.

5. How do I fix the P0298 code on my Ford?

Start by checking the oil level and quality, replacing the oil and filter if necessary, inspecting the oil cooler for blockages, and testing or replacing the oil temperature sensor.

6. Is it safe to drive with the P0298 code active?

Driving with this code can risk severe engine damage due to overheating, so it’s advisable to address the issue immediately.

7. Can dirty or low-quality engine oil cause the P0298 code?

Yes, old or contaminated oil can lose its cooling properties, leading to higher engine oil temperatures and triggering the P0298 code.

8. How can I prevent the P0298 code from recurring?

Regular oil changes, using the correct oil type, maintaining proper oil levels, and inspecting the cooling system can help avoid this code.

9. Does a malfunctioning oil cooler cause the P0298 code?

Yes, if the oil cooler is blocked or damaged, it can fail to regulate oil temperature properly, resulting in the P0298 code.

10. Will replacing the engine oil fix the P0298 code?

Replacing the engine oil may resolve the issue if the code was caused by low oil levels or poor oil quality, but other components should be inspected to rule out additional causes.