2004 Chevrolet TrailBlazer "p0128" Questions

2004 trailblazer code po128 yea my check eng light came on it is code po128 how do i fixes it P0128: P0128 OBD-II Trouble Code Technical DescriptionCoolant Thermostat (Coolant Temperature Below ...

Check engine light on, diagnostic code 0128 and 0410 keep coming up P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) P0410 - Secondary Air Injection System ...

Error Code P0128 service engine light comes on intermediately my service engine light comes on with error code P0128. What can I do to fix the problem? replace the thermostat.

p0128 and p0410 trouble codes are on my traiblazer what should i do to fix them ? DTC P0128 IS THERMOSTAT DTC P0410 SECONDARY AIR SYSTEM

I have a 2005 trailblaizer in have a code p1028 You sure that's not P0128? P0128 is the coolant temperature is too cool. Thermostat is stuck open. Replace thermostat and you're all good to go.

ck engine lt on. p0128? p0128 is coolant tempurature below thermostat regulating tempurature, the most likely problem is to replace thermostat. also be sure coolant is at proper level. if still ...

getting codes p0128 and p0014. know that the p0128 is probably the thermostat, but was told to change the engine coolant sensor at the same time as the thermostat. How do you know if the ECT is bad? ...

the check engine light goes on and then off. Had Autozone scan code and it read P0420 and P0128. Any ideas what this means? You don't mention any vehicle specific info, but the codes read as follows: ...

P0128 Code for a 2004 trailblazer with service engine soon light I went to auto zone said code p0128. I checked Coolant ok. no leaks no cound.. Could it be the thromostat? and if so how do i repair it

p0440 and p0128 could it be just a gas cap or radiator cap? Hello pab047, The p0440 could be the gas cap but the p0128 will be the thermostat. The 0128 is a common code I see all the time and you will