Hey guys I'm new to the forum I have a 2012 f-350 ford making lots of fuel I drained 6 gallons out of it. Sounds like it has an injector knock under load. I'm trying to narrow it down to a certain cylinder or cylinders. Contribution test doesn't show any obvious misfires although it does chug and run rough. No check engine lights. There is a PID that reads "Fuel balancing quantity for cylinde (ug)" there is one for each cylinder. Can anyone enlighten me on what the pid is for? Is it like balance rates for the injector? Cause cylinders 3&5 are way negative like -1200. Thanks in advance!
6.7 powerstroke injector testing
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