P0128 OBD Trouble Code

3 results found

P0128 - Generic
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

P0128 - GM
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

ECT Below Thermostat Regulating Temperature Conditions

Cause

Engine running, ECT and IAT inputs from 14-97°F, then the PCM detected the engine coolant temperature did not reach at least 167°F with the Water Temperature Counter Diagnostic running.

P0128 - Nissan
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

Engine coolant temperature - too low

Cause

Thermostat, ECT sensor, cooling system, ECM

Try also: https://www.obd-codes.com/p0128