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  1. Bio-Bradley

    6.9 IDI Hard Start/Air Intrusion

    Agreed. If you're seeing less fuel in the fuel filter, then air is probably being added to the fuel filter in place of the fuel. That being said, air is entering the system prior to the fuel filter. Likely the connection you have in the pic above. I don't believe you need a check valve. Just...
  2. Bio-Bradley

    Engine acts like it hits boost, without a turbo

    Might be an air intrusion from return lines. Might be from low fuel that's allowing air to get sucked into the fuel lines when the fuel sloshes around. Also, the fuel tank sending unit's funnel filter may have fallen off. These are notorious for degrading over time and falling off. If the fuel...
  3. Bio-Bradley

    Fuel is accumulating on the Valley Pan

    I two thoughts here... 1. I had fuel on the valley pan as well and it was coming from my ip. I ended up replacing the ip for another reason, but now I have no fuel leaking onto the valley pan. Are you experiencing any problems that a failing ip might present? 2. I recommend Finish Line disc...
  4. Bio-Bradley

    Fuel Line & IP Deposit Help

    The previous owner ran diesel, but I don't know about owners previous to the gal I bought it from. TNBrett The fuel lines from the tank are relatively new. I only know that because I've dropped the rear tank to replace the fuel sending unit. The entire inside of the tank had this stuff in it...
  5. Bio-Bradley

    Fuel Line & IP Deposit Help

    Anyone have any idea what might cause the buildup seen in the photos? I pulled out my ip and installed a new one from Oregon Fuel Injection. Truck runs great and I'm happy with the new ip. Unfortunately they are keeping most of my core $ because of the deposits they found in the head of the ip...
  6. Bio-Bradley

    Fuel Filter Light Comes on & Truck Dies

    I've been busy with life and finally got finished with this project, at least I think. She runs good. Idles and runs at rpm without dying now. That's great. I get fuel from the front and the rear tank, now that the fuel lines are hooked up correctly. I've got B50 in the front tank and diesel in...
  7. Bio-Bradley

    Fuel Filter Light Comes on & Truck Dies

    Thanks Thewespaul. Do I need to worry about it clogging my sending unit or fuel line? Should I clean it out?
  8. Bio-Bradley

    Fuel Filter Light Comes on & Truck Dies

    *UPDATE* I'm still working on finding the restriction. However, I was able to blow air through the fuel line from the lift pump back to the tanks. I heard air bubbling in the forward fuel tank, but nothing in the rear tank. Since I've been meaning to drop the rear fuel tank and look inside at...
  9. Bio-Bradley

    Fuel Filter Light Comes on & Truck Dies

    Thanks Shadetreemechanic. I'll get to work on that, probably next week since I'm working through the weekend.
  10. Bio-Bradley

    Fuel Filter Light Comes on & Truck Dies

    I run biodiesel off and on. Right now, I've got around a B50 blend in the tank.
  11. Bio-Bradley

    Fuel Filter Light Comes on & Truck Dies

    Hello Again! I've got an 89 ford f350 7.3 idi. I can get it started just fine. Unfortunately, after I leave the house in a couple blocks to a mile, the fuel filter light comes on, it sputters and dies. I then have to crank several times and it has trouble starting. I have to keep the starter...
  12. Bio-Bradley

    Glow Plug Help

    Sorry. Yes! It worked and I got it started with the glow plugs. Thanks a million!
  13. Bio-Bradley

    Glow Plug Help

    I did the testing as you advised and it needed to be grounded. Thanks! Appreciate the help.
  14. Bio-Bradley

    Glow Plug Help

    Thanks bbjordan. I wondered that, but the previous solenoid didn't have that. Based on my web research, it seems that some solenoids are grounded through the base plate and others are not. How would I know which is which? The new ones don't come with paperwork or wiring diagrams.
  15. Bio-Bradley

    Glow Plug Help

    Calling all 7.3 idi experts, shade tree mechanics and enthusiasts... I've got an 89 ford f350 7.3 idi. It's got an aftermarket glow plug solenoid/relay. This system is installed as follows: purple wire goes from +battery terminal to the push button switch on dash(now there is an inline fuse...
  16. Bio-Bradley

    6.9 idi randomly dies when given throttle

    I'm having the same trouble with my 7.3. I'll give that a try. I'm really hoping it's not the IP. Thanks!
  17. Bio-Bradley

    Glow plug relay clicking. No start

    Good Advice. Thanks. I've been trying to test my glow plug relay as I'm having trouble starting my 89 ford f350 7.3 idi. I have an aftermarket system someone installed with a button to push & hold located under the dash. I installed a voltmeter to measure what's going on in the electrical system...
  18. Bio-Bradley

    Biodiesel Events and Classes Calendar

    Are you still tuned into the biodiesel scene?
  19. Bio-Bradley

    Appleseed Processor

    I know it's 13.5 years later, but did you do it? I'd like to hear any success/failure stories you want to share. Thanks!
  20. Bio-Bradley

    Another FSV Question ... I know. I feel stupid for asking

    When you switch tanks, do you hear the FSV click? Try this with the key in the ignition and the ignition in accessory mode. Turn off your radio, blower fan and other things that might make noise so you can listen for the click. BTW, you won't hear the click with the engine running. If you hear...
  21. Bio-Bradley

    "93 7.3 N/A need advice no turn over

    I had a similar issue with the truck not wanting to turn over and turning slowing with the batteries testing good and all accessories working and bright lights. This helped me identify that is was probably a wiring issue somewhere between the batteries and the starter versus and a bad alternator...
  22. Bio-Bradley

    Intermittent sputtering, surging, but no fuel leaks.

    I also think of air intrusion with your discovery. I have had a similar issue and replaced the fuel injector return lines, o-rings and plastic caps with an inexpensive kit. I then bled the fuel lines by loosening the fuel injector line nuts so fuel would seep out, cranking the engine (I have a...
  23. Bio-Bradley

    Getting hard to start lately

    I had the same surging issue with my truck while driving. I found the culprit to be air in the fuel injector return lines. You are probably leaking air somewhere in your fuel injector return lines. This air is making it's way back to the fuel injector pump and back to your injectors which is why...
  24. Bio-Bradley

    The Official "Show Us Your Ride" pictures of member's trucks thread.

    Picked this rig up in July 2017. Two pics from where I picked it up and two more current pics. It ran good when I picked it, but have had to replace a few things in the last year and a half. Since I picked it up, I've replace the fuel pump, front fuel tank sending unit, fuel tank selector valve...
  25. Bio-Bradley

    2018 Oilburners Rally

    I live in the PNW. A rally up here would be great!

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