dude dont sell it... check this out... last nite my rig was runnin grumpy too... so i started pinching those freakin lil vacuum hoses and i pinched one and the rpms climbed to where they should be when the choke is out...so i came in and check this pic on my comp and it turned out to be one of the vacuum hoses of egr...might be worth looking at on yours...so just guessing from doing that, the problem in my rig is the egr systeme... check it on yourss!!!
