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Auto>General Auto

What does the diagnostic code p0128 mean?

Updated: 4/28/2022

Wiki User

∙ 14y ago

Best Answer

OBD II Fault Code

OBD II P0128

Fault Code Definition

Engine temperature has not increased and/or reached the correct level within a specified amount of time after engine startup

Symptoms

http://wiki.answers.com/check-engine-lighton
Vehicle may not shift into the highest gear at freeway speed
Decrease in fuel economy
In unusual cases, there are no adverse conditions noticed by the driver

Common Problems That Trigger the P0128 Code

Defective Engine http://wiki.answers.com/thermostat
Defective Engine http://wiki.answers.com/engine-coolant-temperature-sensor
Defective Intake Air Temperature Sensor
Defective http://wiki.answers.com/cooling-system
Low http://wiki.answers.com/coolant
Dirty Engine Coolant, causing incorrect Coolant Temperature Sensor readings
Defective, always running http://wiki.answers.com/engine-cooling-fan

Common Misdiagnoses

Engine http://wiki.answers.com/cooling-fan-operation
Internal http://wiki.answers.com/engineproblem
http://wiki.answers.com/oxygen-sensorproblem
Engine Coolant Temperature Sensor problem

Wiki User

∙ 14y ago

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Related questions

I need help with a diagnostic trouble code of P0128 on my 2004 Chevy trailblazer?

Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature

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Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)

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Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)

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Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)

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Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature

What does service code P0128 mean in a 2003 Ford Explorer?

Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)

VW Diagnostic Trouble Code PO128?

For 1996 and newer Trouble code P0128 means:Coolant Thermostat (coolant temperature below thermostat regulatin temperature)

What does the code t0128 mean?

I think you meant P0128, which is a thermostat malfunction.

What does the error code p0128 mean for a 2003 buick park avenue ultra?

Trouble code P0128 means:Coolant thermostat (coolant temperature below threshold regulatin temperature)

Engine light on in 2003 PT Cruiser and code P0128 shows up what does this mean?

P0128 is thermostat malfunction. The thermostat needs replaced.

What does the P0128 code mean?

"COOLANT THERMOSTAT" -COOLANT TEMP BELOW THERMOSTAT TEMPERATURE

What to do for code P0128 on a 2002 Pontiac Grand Am?

Trouble code P0128 means: ECT Sensor Below Thermostat Regulating Temperature

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