Richard McCuistian, ASE Certified Master car Technician

Technical Reviewer in ~ doyourpartparks.org

Written by doyourpartparks.org Staff writers - update on June 17th, 2021

Codes that illuminate the MIL (Check Engine) light without noticeable symptoms have tendency to it is in ignored by countless drivers. The trouble with the strategy is that, unless you have actually an active misfire (it flicker if a misfire is bad enough), the MIL light just knows exactly how to tell friend there’s a problem – it no tell girlfriend how numerous problems the ECM/PCM has actually detected.

You are watching: How long can you drive with a p0128 code

So, for example, if girlfriend drop by the parts store or usage your very own scanner and you get, for example, a P0128 code and then think “I’ll take treatment of the later,” once “later” lastly arrives, you find you have around five or six various problems that have piled increase behind the very first one the illuminated the MIL.

What Does password P0128 Mean?

Code P0128 stands for Engine Coolant Temperature below Thermostat regulating Temperature. It method that the ECM/PCM has “noticed” that the engine coolant temperature is consistently running below thermostat regulation temperature. In other words, the engine is to run cooler 보다 it should.

The P0128 code is collection when the engine manage module (ECM) determines the coolant temperature is reduced than the original devices thermostat’s opening temperature. To put it an additional way, the engine is running too cool or the temperature does no increase easily enough. The engine must reach operation temperature timeless so that the vehicle can go into “closed-loop” mode. 

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The P0128 password is likely to appear once your coolant thermostat or temperature sensor fails. 

Of course, together was stated earlier, over there are other potential causes for the code, as well. 

When the password pops up, carry your automobile to your trusty mechanic and have it checked. Otherwise, the damages can development to various other parts that the vehicle, leaving friend with an ext repairs and larger expenses to take care of in the long run. 

Prevent this from happening by detecting the symptom of code p0128 earlier on and addressing what requirements fixing.

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Products discussed in this Guide


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Coolant Temperature Sensor
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Air Temperature Sensor
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Cooling pan Assembly
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Temperature Gauge
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Thermostat

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