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Home >> GMC >> 2006 >> Envoy 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Component Views >> Engine Coolant Temperature (ECT) Sensor, Powertrain Control Module (PCM) & Generator Component View

Engine Coolant Temperature (ECT) Sensor, Powertrain Control Module (PCM) & Generator Component View

Fig 1: View Of Upper Left Side of the Engine - Front
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Callout Component Name
1 Engine Coolant Temperature (ECT) Sensor
2 Engine Harness
3 Powertrain Control Module (PCM) C1
4 Powertrain Control Module (PCM) C2
5 Powertrain Control Module (PCM) C3
6 Generator
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