Join Date: May 2010
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Last night I was fixing my fuse panel cover in my dash and noticed a lone toggle switch tucked up in there. So before I left for work today, I started her and flipped the switch. As soon as I did this, idle dropped to 500rpm and seemed to run a little rough. I flipped it back for fear of unleashing appocolypse on my new truck. Then on my way into work, it was pouring white/bluish smoke out of the exhaust like it was going out of style...
I floored in on the entrance ramp, no power-loss, and it cleared most of it out. One mile and it was all gone. My mpg is still 17.8 and I feel no power-loss and it runs smooth, also no lights on the dash.
I had previous problems with smoke, but I used Howes conditioner and it took that away.
Any ideas on that switch? Don't know if this matters, but my truck is stock (as far as I kow) and will blow black smoke at even a medium take-off. I have reading on "smoke switches", but I don't have powerloss or economy loss.
Also, I just looked and I am low on coolant, as in none in my upper tank that I can see... EGR cooler?
Truck: 2004 F-250 6.0PS w/ 118k on it.