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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2050 (Engine Controls - Diagnostic Subroutines - 6.4L 99R Diesel -- F250-F550 Super Duty) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0198 - Engine Oil Temperature Sensor Circuit High

P0198 - Engine Oil Temperature Sensor Circuit High

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P0198 - ENGINE OIL TEMPERATURE SENSOR CIRCUIT HIGH

Description:  Indicates engine oil temperature (EOT) signal voltage is high (low temperature).
Possible Causes: 
  • Damaged harness
  • Damaged harness connector
  • Damaged sensor
Diagnostic Aids:  An EOT PID reading greater than 4.76 volts with the key ON engine OFF for during any engine operating mode indicates an open circuit.
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST L .