Reply to thread

Message: [QUOTE="6speedsd, post: 1327008, member: 1242"] Well gents, I'm about a 6 pack away from striking a match and having an insurance claim! New supply line from pump to factory hard line to the upper filter....no change. Looped the return ports together on the HFCM, and ran a separate line from the return off my regulator to the hard line tank side of the HFCM. No change. So basically, I've ruled out the tank, HFCM, supply and return lines south of the upper filter. I'm getting 12.5v at the plug on the pump with the truck running. Replaced the O-rings where the stock feed lines leave the upper filter headed to the heads just for the hell of it. At idle, gauge fluctuates about 3psi up and down, as it always has. It's drive able now at least, but anything over half throttle and it drops into the low 40's fast. I stood on it once, and it dropped immediately into the 30's...truck never missed a beat though...no sputter or miss or anything. At my regulator, the line coming off the back of the drivers head has this sort of pulse when you hold the line. You can feel it, consistent and repetitive, but only on that line. I don't know if this is a clue, or if it's just sitting on the motor somewhere and causing it. I really don't know where to go now. I did the bubble test at the upper filter housing when this issue all started, and got no bubbles. Part of me wonders about a bad oring on the injector, but I have no idea how to even test that without pulling injectors. Seems to me if that were the cause, I'd get some sort of running issues. Sent from my iPad using Tapatalk [/QUOTE]

Verification

Random media

17_3

170725_1660981799198_1076760051_1781963_7037911_o

6.4

2013-03-22_15-51-01_193

20150318_154741-1

'07 5.9 Cummins

IMG_20130501_022235_042

110

39092_1458258430679_1659931355_1101773_8100801_n

Dropped on 4800lb. coils and no blocks

mine

Latest posts

Show & Go/Going to Try this Out combo Build
- Latest: Powerstroke Cowboy
- Today at 9:06 AM
6.4 Aftermarket
Y
Fuel sending unit and wheel studs
- Latest: Yojih123
- Today at 1:00 AM
7.3 Tech & FAQ
Truck slipping into 4th
- Latest: ju015dd
- Wednesday at 10:39 PM
6.7 Tech
DEF in the fuel tank of 2013 F250 6.7
- Latest: Crazy Canuck
- Monday at 12:05 PM
6.7 Tech
I
Tuning the 7.3 in current times
- Latest: INFRNL
- Monday at 9:28 AM
7.3 Aftermarket

Members online

No members online now.

Total: 775 (members: 0, guests: 775)

Top