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Discussion Starter · #5 · (Edited)
Your correct its not volts my reader shows lb/in. Any way my fuel mileage has odd spikes then increases that pretty much match the odd cycle of the MAF according to my reader and the live data. I had a small stash of summer diesel that I put in the tank that seemed to lessen the problem, not sure why. Maybe a coincidence. I think I got bad diesel from both major fuel suppliers here. Its been two weeks since last fill so hopefully the supply will be good again.
I have been using Diesel Kleen + Cetane Boost with all my fill ups Im going to try straight diesel for a few tanks. Been using that mainly for the lubricity to protect the fuel pump.
 

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Your correct its not volts my reader shows lb/in. Any way my fuel mileage has odd spikes then increases that pretty much match the odd cycle of the MAF according to my reader and the live data. I had a small stash of summer diesel that I put in the tank that seemed to lessen the problem, not sure why. Maybe a coincidence. I think I got bad diesel from both major fuel suppliers here. Its been two weeks since last fill so hopefully the supply will be good again.
I have been using Diesel Kleen + Cetane Boost with all my fill ups Im going to try straight diesel for a few tanks. Been using that mainly for the lubricity to protect the fuel pump.
Please be sure to let us know the difference. I use DieselKleen as well and I don't have any issues from it that I can tell, but I've used it from the start pretty much.
 

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Stock will fluctuate around .9 lb/min, idle.

If you do are a certain modification it will sit around 1.6 lb/min. If it is not sitting at 1.6, then you have a problem with your EGR and should probably do something about that.
 
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