Engine Coolant Temperature Sensors

Engine Coolant Temperature Sensors (ECT)

Description: Measures coolant temperature through changing resistance and sends this information to the onboard computer. The computer uses this and other inputs to calculate the correct amount of fuel delivered.

Symptoms of Failure:

  • No Start
  • Engine Flooding
  • Steady Check Engine Light
  • Poor Fuel Economy

Recommended Service: Should be performed every 25,000 to 35,000 miles and consists of cleaning or replacing sensors that are non-functional.

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Engine Coolant Temperature Sensors
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