Jim - I think the 30 seconds has to do with the time it takes the ECU to start getting info from everything. When I was having my issue my bus did the same thing - ran strong and good for aobut 30 seconds and then would run rough, rich, and also back fire. No power etc. I drove the bus home from Grand Rapids, MI to Port Huron, MI (3 hour drive) having to put it in neutral every 30 seconds or so and switch the key on and off to reset the ECU. Not fun. It also wouldn't do over 45 mph. I thought it was O2 sensor (which I was not running one) or AFM but also was told to try the Temp2. Again, this is just my experience. It may not be the Temp2 causing your problems but that cured every issue I was having with mine. Good luck :)
-- Thanks, Jeff '90 Carat (Grover) '86 (We call this one Parts) '78 Bus (Melissa) Patty's Bus |
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