Engine-Codes - Ford - P0198 1999 FORD F150

P0198 1999 FORD F150 Code - Engine Oil Temperature Sensor Circuit High Input

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0198 1999 FORD F150 code possible 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

|How is the P0198 1999 FORD F150 code repair?

Start by checking 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's pins.

|P0198 1999 FORD F150 code tech notes

Indicates EOT signal voltage is high (low temperature)

|What is the cost to diagnose the P0198 1999 FORD F150 code

Labor: 1.0

The cost to diagnose the P0198 1999 FORD F150 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0198 1999 FORD F150 code detected?

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

|What are P0198 1999 FORD F150 code possible symptoms?

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

|What is P0198 1999 FORD F150 code meaning?

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.

|Need more information with the P0198 1999 FORD F150 code?

Need more information on how to fix the P0198 1999 FORD F150 code?
Get Access to Factory Service Manuals

|Need help with a P0198 1999 FORD F150 code?

Get the P0198 1999 Ford F150 code diagnosed by a professional: Find a repair shop in your area