Engine-Codes - Ford - P0198 2001 Ford F150

P0198 2001 Ford F150 Code - Engine Oil Temperature Sensor Circuit High Input

- Code Popularity: 2,136 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0198 2001 Ford F150?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Engine Oil Temperature sensor
  • Engine Oil Temperature sensor harness is open or shorted
  • Engine Oil Temperature sensor circuit poor electrical connection
  • Damaged PCM

Code Tech Notes

Indicates EOT signal voltage is high (low temperature)

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How to Fix the DTC P0198 2001 Ford F150?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0198 2001 Ford F150 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The P0198 indicates the Engine Oil Temperature Sensor signal voltage is hign (low temperature).

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P0198 2001 Ford F150 Code Mean?

The engine oil temperature sensor is used to detect the engine oil temperature. The sensor modifies a voltage signal from the Engine Control Module (ECM). The modified signal returns to the ECM as the engine oil temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.

P0198 2001 Ford F150 Code - Engine Oil Temperature Sensor Circuit High Input

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