Quote:
Originally Posted by drummr8
Just got P20EE today, then checked the coolant temps and while cruising I'm at ~70C, at idle it got up to 80C. Ambient temp outside was about 65F. Seems my temps are very low, so I'm hoping it's as simple as replacing the thermostat, resetting codes and going for a long drive to burn some junk off. Sound about right?
Also, do I need to replace both the trans thermostat and the main thermostat, or just the main? I guess it makes sense to do both while coolant is drained?
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Hopefully your Tstat takes care of your code/issue. I recently had both NOx sensors replaced under warranty and the code (P20EE) came back. Both the dealer tech and my Indy confirmed the SCR (catalytic) is most likely going bad. My Tstat performs correct and the car runs great.
Follow the suggestions by RL18 and report back to update us.