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Questions tagged [p0128]

Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

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HOLD light flashing, engine temperature gauge "C"

My 2009 Chevy Aveo 5 with automatic transmission has an issue that started today; on the way home on the freeway, the HOLD light started flashing. I noticed later that the coolant temperature gauge ...
Mark Stewart's user avatar
2 votes
0 answers

P0128 on 2005 Ford Escape 4-cyl

2005 Ford Escape 4-cyl is giving a P0128 code, which can be caused by a bad sensor or a bad thermostat, according to my internet searches. The temp gauge on the dashboard reads the same as it ...
Tim's user avatar
  • 121
4 votes
1 answer

P0128: Coolant Temp Below Thermostat Regulating Temp

I have a 2005 Mazda 3 (SP 2.3), and the check engine light came on. I went out and bought a code reader that told me there are 2 codes. The first being the P0128 code and then the second is showing up ...
tarheel's user avatar
  • 885
4 votes
3 answers

What should I do about PS0128 "Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)" error code?

I have a Mazda 6 and recently purchased the OBD 2 module and saw the check engine light with the PS0128 Error Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). I ...
Usman Ismail's user avatar