I have a recurrent check engine on my truck that I erase and sometimes takes 6 to 8 months to reappear. It is P0101 wich is described as: Mass or Volume Circuit Range Performance Problem: The truck runs otherwise well and isn't harder on gaz than used to be. .If someone has a clue it wouild be appreciated. It is a: 2004 GMC 2500HD 6 LITRES :
THANKS.

 

Have you found any solutions to your problem? I have a similar issue I am trying to figure out.

 

NOthing really except change te air filter but it came back afterward,then it turned itself off then on again a few times but disapeared and never came back for the last about 3 months.??????????????????????????