howdy Folks!
94 80 gasser. Have pressure gauge at the fuel pump. I am having an issue with very long starts ( 20-30 cranks)
during the cranking, the fuel pressure is staying at zero until 2 seconds before it starts... as soon as the pressure starts reading about 15 it starts and it goes...
well, the code 25 turned out to be a bad butt splice. Should be all fixed now. Diagnosed by hooking up to a snap on fancy scan gauge thing, and seeing that one of the O2 sensors wasn't reading right, swapped the wires and verified the condition swapped with the wire, pulled the plug and cut...
Bwwaahhaahaha ... That's been the running joke here too ... We were thinking about 2 quarts out to fill the muffler cavity and lube the muffler bearings good enough
UPDATE: Running Great! drilled hole in muffler low spot and oily crap drained out for over 3 mins. Drove after that and it stopped smoking in less than 5 miles...
running rough was due to bad plug , and a CODE 25 that was popping up went away after re-routing the ground to proper location on...