Questions & Answers for: what is gm code po128

...came on code PO128 from auto zone thecar also shakes when driving 50 milesa hour is the same problem no the code PO128 on the cobalt mean defective thermostat. nothing to do with driving ...

...po128, po446 diagnostic codes for 2000 s10 blazer While I don't have your specific book, the GM's of this world and many models employ similiar codes. PO 101 should be your MAF sensor (Mass Air FLow) ...

...code and gm tech advised me to change thermostat which is not a fun job as it is located in the LOWER hose and comes with a gooseneck assembly and O ring.The temp sensor could also be the problem but ...

po128 code on 2002 kia rio while driving the engine light stayed on i checked it and i got po128 code. and the engine light would'nt go off. the kia is a 5 speed stick it mite be a o2 cencer

code PO128 CHEVY EQUINOX HOW TO FIX CODE PO128 Code 128 is for the engine not warming up to normal temp. Usual problem is a faulty thermostat.

code po128 came up what is po128 what is the prob Code 128 is for an engine that is not reaching normal temp, usually a thermostat problem.

car won't start/shows code po128 code po128 engine coolant temp. sensor replace sensor, top coolant, dis-connect battery for 5 minutes, re-connect and start

po128 for 2001 buick Lasabre what was the error says when you get the code or look it up online code po128

code po128 on 2007 mercedes c class230 code po128 came up I have replaced the thermostat no help Did you clear the code after replacing the thermostat and it came back? If you didn't clear the code, ...

Pontiac grand am I had a diagnostic reading at autozone for diagnostic codes po128,po440 and p1189 don't know what they mean for a 2003 Pontiac grand am gt 3.4 liter and v6 engine vehical ...