Questions & Answers for: Oldsmobile p0128

What does the diagnostic code P0128 mean? this code means the engine is running cold, most common problem is a defective thermostat.

failed emissions test for codes P0101 and P0128 P0101 code is the Mass Air Flow (MAF) sensor error . The book that I have does not show P0128 code, sorry i couldn't help further....

code P0128 43 CODE PO128 - ECT SENSOR BELOW THERMOSTAT REGULATING TEMPERATURE CONDITIONS.POSSIBLE CAUSE LOW COOLANT LEVEL CRANK ENGINE UP LET IDLE 10 TO 15 MINUTES.CHECK BOTH RADIATOR HOSES IF BOTH ...

i have a 2005 pontiac grandam, the check engine light came on,it was diagnosed as code p0128.do i need a censor Most likely you need a new thermostat.

I have 3 codes, p1189 ,p0128 and po442 . looking for what thay mean. 2002 alero. p1189 is-- manufacturer control fuel air metering----- p0128 is-- coolant temp below thermostat regulating temp,--- ...