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P0128 Fault Code Meaning for 2006 Honda Civic EX - What Does It Indicate?

Model: Honda Civic EX 2006 Fault Code: P0128 Posted: 2015-01-23 18:30

What does the P0128 diagnostic trouble code mean for a 2006 Honda Civic EX? I've recently received this error code and would like to understand its cause and how to resolve it. The P0128 code is related to coolant temperature not reaching the thermostat's regulating temperature, which can affect engine performance and fuel efficiency. Can anyone confirm the correct diagnosis or recommended steps for a 2006 Honda Civic EX model?

Related fault codes
P0128
Comments (1)
Anonymous 2015-01-24 10:49

P0128 = Coolant Temperature Below Thermostat Regulating Temperature. Ensure the thermostat is replaced with one that matches the manufacturer-specified temperature rating for your 2006 Honda Civic EX model.