Duramax Power Reduction
Not sure if this is the right place to post so admin please move if needed. 96 degrees, mountains of North Carolina/Virginia. Climbing around Fancy Gap on I-77 and with no warning truck says "powe...
Forum Discussion
hyattjlbb wrote:
Thanks all! Sounds like several possibilities here. When I called my GM shop back home mech mentioned that it could have been a partial collapse of the fuel line with the warm weather and fuel, etc. Last night and again this morning doing my checks and everything is fine, gauges, pressures, etc and the engine light went out. Guessing that code is gone now with the engine light? Either way, on the road this morning while it is cool to cross into Ohio from Charleston WV. Hope it was a fluke and we will get it checked when we get home. Thanks again!
Even if the engine light is out, the freeze frame data is still stored in the ecu so with a good code reader you can still find out what it was for.
