2000 Newmar RV on Ford F53 chassis w/ 6.8L V10 running on 4 cylinders

RV ran good immediately after replacing the fuel pump/sending unit, was able to drive it around initially.
Took the batteries out and charged them (main battery and generator batteries)
Next time we tried to drive it, it had loss of power, backfiring, and seemed to be running on only 4 cylinders
Had OBD2 codes P0353, P0354, P0352, P0357, P0360, P0102, P1504
Tried moving coils around, plugs around, etc, still stayed with only cylinders 9,1,5,6 firing correctly
All other cylinders had wet spark plugs, soaked in gas
PCM grounds tested bad (several megaohms of resistance from the pcm connector pins to ground - replaced 7 pcm grounds with a new direct ground to engine intake plenum
Several rounds of replacing parts, plugs, coils, fuel pressure regulator, cleaning the injectors and still the problem persisted where it appeared the engine was only running on 4 cylinders
Bought an oscilliscope to try and diagnose the problem...looks like it is a coil firing problem, injectors seem to be firing as designed
Tracked down harness grounds that bolt to the engine block and chassis rail, the chassis rail ground was corroded, cleaned the ground eyelet and drilled a new hole to bolt the ground to the chassis.
Cam/crank sensor pattern through the scope appeared normal timing-wise, but the cam sensor was only oscillating +/- 0.3v vs some other patterns i've seen as known good that oscillate ~+/- 1.5V.
Rigged up an entire replacement wiring harness to bypass possible wiring issues for the 'bad' coil circuits, same result, same 6 wet and 4 dry spark plugs.

I've attached scans of the coils and injectors, along with the cam/crank sensors.

Parts replaced/refurbed:

fuel pump/sending unit
fuel tank cleaned out, fresh gas replaced
10 coils - 2x
10 spark plugs - 2x
10x coil wiring harness pigtails
10x fuel injector wiring harness pigtails
cam sensor
crank sensor
fuel pressure regulator
maf sensor
fuel injectors - removed and cleaned
computer replaced - 2x

lift injectors out of holes still attached to the fuel rail. Then have someone turn key on engine off. Do you get fuel spraying out of any of them with just the key on when fuel pump primes?

Love the Pico shots. :woohoo: Would you be able to send the actual Pico files to me? wrenchturnsyou@gmail.com.

Looking at the primary patterns alone, if appears there no spark on #2, #3, #4 and #10. #1, #5, #6 and #9 appear to have some spark going on. Can't tell if it's good or not. #7 and #8 have noticeably longer burn times than any other cylinders... That's part of why I'd like to see the Pico captures - Measure the burn time (when it's there) and also compare the coil on-time between cylinders.

There's also a clear primary current issues on the cylinders with no spark.... Were the ignition coil connectors replaced by you, or before you? :huh: Did the ignition coil connectors get completely bypassed with your replacement wiring harness?