P1288 - Cylinder Head Temperature (CHT) Sensor Out Of Self-Test Range

2007 Ford Escape Base, 2.3 Z, FWD, AutomaticSECTION P1288 - Cylinder Head Temperature (CHT) Sensor Out Of Self-Test Range
P1288 - CYLINDER HEAD TEMPERATURE (CHT) SENSOR OUT OF SELF-TEST RANGE

Description:  Indicates the CHT sensor is out of self-test range. The engine is not at a normal operating temperature.
Possible Causes: 
  • Cold engine
  • Engine overheating
  • Damaged harness connector
  • Low engine coolant level
  • Damaged CHT sensor
Diagnostic Aids:  Bring the engine to operating temperature. If cold, repeat the self-test. If the engine overheats, check the cooling system. Refer to the appropriate ENGINE COOLING article for cooling system diagnosis.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All refer to PINPOINT TEST DL .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
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