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P0116 (2) Chevrolet Uplander I

Testing & Diagnostics ~136 words
  1. The control module detects a temperature difference between the ECT sensor and the IAT sensor of more than 100°C (180°F) at start up. OR
  2. The control module detects a temperature difference between the ECT sensor and the IAT sensor of more than 15°C (27°F) and the time elapsed cranking the engine without starting is more than 5 seconds. OR
  3. The control module detects a temperature difference between the ECT sensor and the IAT sensor of more than 15°C (27°F). The vehicle must then be driven for 5 minutes over 40 km/h (25 mph). If the IAT sensor temperature decreases more than 5°C (9°F), an engine block heater was detected and the test is aborted. If the IAT sensor temperature does not decrease, an engine block heater was not detected and DTC P0116 will set.

More articles — Engine Controls - 3.5L - DTC P0016 to DTC P0206