Question about 2003 Saturn ION
Engine running cool. Do you have a temp gage? If yes, is it lower than it used to be? Your thermostat may be stuck open. Let me know if you would like instructions for changing thermostat.
Posted on Oct 07, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Feb 04, 2015 | Cars & Trucks
Feb 06, 2013 | 2004 Chevrolet TrailBlazer
Nov 07, 2011 | 2003 Saturn VUE
Oct 12, 2011 | Cars & Trucks
This means that the engine's PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 code is to indicate a faulty thermostat. Similar codes: P0125
In determining the engine did not reach a "normal" temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle.
A code P0128 may mean that one or more of the following has happened:
Past experience indicates that the most likely solution is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:
I hope this helps a bit!
Jan 11, 2011 | 2002 Chevrolet Venture Passanger
Jan 07, 2011 | 2002 Chevrolet Venture Passanger
Sep 27, 2010 | 2006 Dodge Caravan
Jul 01, 2010 | 2004 GMC Envoy
Jan 06, 2010 | 2004 Kia Spectra
377 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: