Quote:
Originally Posted by iamthestig_91
Didnt get it fixed but i replaced the sensor and the thermostat. Also replaced both donuts at the headers. Cleared codes and was going through a drive cycle only for the "Increased emissions" Error to pop up again.
Pulled codes and got 2727, 2726, and 2776. All thrown at the same mileage. Which leads me to believe that 2776 (DMTL-Pump) is the culprit now.
If this is the wrong approach, please let me know. Really annoyed chasing this issue but at least it is a different issue now than my first post.
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Those 2 codes 2727 and 2726 are no longer present. 2776 looks to be your problem. It could be the pump that's faulty. Check the pump wiring too.