Engine-Codes - Ford - P0197 1999 FORD F150

P0197 1999 FORD F150 Code - Engine Oil Temperature Sensor Circuit Low Input

- Code Popularity: 1,808 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0197 1999 FORD F150 Code?

  • 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 to Fix the P0197 1999 FORD F150 Code?

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.

|P0197 1999 FORD F150 code tech notes

Indicates Engine Oil Temperature (EOT) signal voltage is low (high temperature)

|What is the cost to diagnose the P0197 1999 FORD F150 code?

Labor: 1.0

The cost to diagnose the P0197 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 P0197 1999 FORD F150 code detected?

The P0197 indicates the Engine Oil Temperature Sensor signal voltage is low (high temperature).

|What are P0197 1999 FORD F150 code possible symptoms?

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

|What Does the P0197 1999 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.

Engine Oil Temperature Sensor Circuit Low Input

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