Apr 23, 2014 · Hi I am new to this forum wondering if someone out there might be able to help. Have a 2012 silverado 2500 LML diesel which is giving me the service vehicle emission system message. …

Jan 22, 2018 · Got this message Friday on my 2015 GMC. Check engine light and service emission system came on. Dealer doesn't know what it means either? Truck has 66,000 miles on it so I would …

Jul 17, 2016 · Hello all. I have a, what I consider, an interesting problem. A 2012 GMC 2500HD with a LML (160,000KM on engine). I had just recently replaced the coolant o-ring in the flywheel housing …

Dec 27, 2015 · I have read a lot of posts now related to the emission issues and almost all posts limit the troubles with the 2011-2012 trucks. Well mine is a 2013 and is having the same troubles.

Jul 15, 2018 · Service Emission System Now code after changing fuel filter Jump to Latest 37K views 10 replies 7 participants last post by mitchellunsworth Dec 13, 2024 SDJarhead Discussion starter

Jan 3, 2019 · If not within the specified range, replace the emission reduction fluid tank. 3. Compare the scan tool Ambient Air Temperature to the Reductant Temperature. The readings should be within …

Description A Reductant System Malfunction Service Bay Test is required when the Service Emission System message or Service Exhaust System message is displayed on the driver information center …

Aug 31, 2015 · EFI Live is really your only & good option to go with for tuning. (PM a vendor on here for emission delete tuning & exhaust.) Tuning is +/- 500-700$. DP back exhaust $200+. Mostly …

Oct 1, 2017 · Emission Control Systems Defects and performance for car and light-duty truck emission control systems are covered for the first 2 years or 24,000 miles, whichever comes first.

Aug 9, 2017 · After suffering NOx sensor failures which set "Service Emission System" and "175 Miles Until Max Speed 65 mph" warnings, I replaced NOx sensors, drained and replaced DEF with GM …