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P0128 Diagnostic Trouble Code Discussion for April 2012

Thermostat System Malfunction

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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2001 Chevrolet Silverado 1500 4.3L No Start, MIL Lamp on VIN: 1GCEC14W01
P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature. Customer reported that Engine died suddenly with no warning while returning from a fishing trip. Checked coil, ignition module, crank sensor, checked cap and rotor, distributor not turning. Gear on old distributor was sheared down. Replaced distributor but wi...
April 21, 2012