Mexican Diesel Fuel/Sulfur Effects Update
Much to my distress I just learned here in the Southern Baja that the owner of a late model GM diesel pickup paid almost $3,000 to ship his truck back to the USA when it went into limp mode (5 mph) in...
Forum Discussion
As for the codes being retained in the computer, here's a real-world example of what happens:
While traveling in the USA, using ULSD fuel, my 2013 Duramax showed the notorious "bad DEF" message, as well as the "Check Engine" light. This came about after I left it idling for a long period of time to warm it up after a fairly hard overnight frost. I hooked up my 5th and drove about 50kms down the road and the messages went away. When I reached a place with a GM dealership, I took the vehicle in for an oil change and mentioned to the gal who was booking in the vehicles that I had experienced these messages and wanted them cleared from the computer memory. She replied `no problem` and proceeded to hook up a Tech II to clear everything....NO QUESTIONS ASKED.
While traveling in the USA, using ULSD fuel, my 2013 Duramax showed the notorious "bad DEF" message, as well as the "Check Engine" light. This came about after I left it idling for a long period of time to warm it up after a fairly hard overnight frost. I hooked up my 5th and drove about 50kms down the road and the messages went away. When I reached a place with a GM dealership, I took the vehicle in for an oil change and mentioned to the gal who was booking in the vehicles that I had experienced these messages and wanted them cleared from the computer memory. She replied `no problem` and proceeded to hook up a Tech II to clear everything....NO QUESTIONS ASKED.
