Why is my check engine light flashing?
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Joined: Apr 2006
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Why is my check engine light flashing?
I have a 2000 F-350 dually, 7.3L diesel, with a 6 position Bully Dog Chip. If i really put my foot in it, the check engine light comes on. It does that regardless of what choip setting i am on. It is also more likely to do it if the engine is a little cold. Any ideas? I dont have my foot to the floor or anything, just accelerating, but it seems like once im in 4th (its an auto) and im at about 1500 rmp, that light comes on, usually it just flashes. It does come on and stay on. Bad connection somewhere maybe? Thanks
Cargo Master
Joined: Apr 2004
Posts: 3,162
Likes: 1
From: Vilonia Arkansas
Originally Posted by dave at BD Power
What is the Engine Code? Likely just an overboost code which is easily fixed with a boost fooler.
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Post Fiend
Joined: Feb 2007
Posts: 7,191
Likes: 4
From: Blairsville,Ga
don't know if it will help but this is the codes I get if I'm in it pretty hard
if MIL comes on will have both
the 1249 normally just thows a code fairl offen think it is boost code
think the 1211 is my HPOP won't keep up
P1211 a b IPR ICP pressure above/below desired IPR valve failed, stuck, or shorted to
P1249 b WG Waste gate steady state failure GND short, plugged hose/port, solenoid
a MIL (FMEM) illuminates after first fault (Federal calibration only).
b MIL (OBDII) illuminates after second consecutive fault.
if MIL comes on will have both
the 1249 normally just thows a code fairl offen think it is boost code
think the 1211 is my HPOP won't keep up
P1211 a b IPR ICP pressure above/below desired IPR valve failed, stuck, or shorted to
P1249 b WG Waste gate steady state failure GND short, plugged hose/port, solenoid
a MIL (FMEM) illuminates after first fault (Federal calibration only).
b MIL (OBDII) illuminates after second consecutive fault.
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Posting Guru
Joined: Oct 2007
Posts: 1,130
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From: Bloomfield Hills, MI
IF overboost is your problem .. (I said IF) then this shall fix it. also keep an eye on your EGT's and watch the surge
http://www.itpdiesel.com/store.php?c...on=show_detail
and get rid of that bully dog! switch to DP
http://www.itpdiesel.com/store.php?c...on=show_detail
and get rid of that bully dog! switch to DP
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