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Go Back   ClassicBroncos.com Forums > 66-77 Ford Bronco > Bronco Tech

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Old 10/11/18, 12:56 PM   #46
Broncobowsher
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I don't know why they are doing warranty on the hand held controller. The is clearly the ECM on the throttle body that is flawed, shutting down with fairly normal operating temperatures.

"She's built like a steakhouse but she handles like a bistro"-Zapp Brannigan
Why do people keep expecting "normal" from me?
Full throttle, it either solves the problem or ends the suspense.
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Old 10/11/18, 01:49 PM   #47
MultiBeast
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Maaaan I hope that’s not what I’m dealing with. I got the summit pump airman was talking about. Hey airman, are you using thoutlet fitting that came with it that has the check valve in it? Seems pretty restrictive.
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Old 10/11/18, 01:51 PM   #48
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I haven’t had any issues with my touch screen. So crossing fingers on the bad fuel pump. If the thing shuts down when it gets a little warm, then I will never make it through an NC trail in the summer. Climate change is real!!!
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Old 10/11/18, 03:20 PM   #49
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Quote:
Originally Posted by MultiBeast View Post
Maaaan I hope thatís not what Iím dealing with. I got the summit pump airman was talking about. Hey airman, are you using thoutlet fitting that came with it that has the check valve in it? Seems pretty restrictive.
I remember thinking the same thing but left it in anyway. I don't think we are using half of what this pump can do. I'm not concerned with the restriction for mine. You may need an AN adapter to fit your fitech pump lines.

Also, I always thought your trouble was the pressure regulator. If you lose pressure again, change it. As cheap as they are I carry a spare.

75, 351W, Fitech Efi, C4, Tera Low twin stick, Detroits front and rear, 35x12.5x15 BFG Mud Terrain , 5.5" suspension, wristed arm, rotated front yokes, Currie HD 9", Vac Power Disc/Drum
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Old 10/12/18, 09:14 AM   #50
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Roger that. Will get it on this weekend and report back!
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Old 10/15/18, 05:58 PM   #51
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Airman, is that breaker necessary? Isnít there a fuse in line already?
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Old 10/16/18, 06:27 AM   #52
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Airman, is that breaker necessary? Isnít there a fuse in line already?
So, As I said, i have two tanks and a stock switching valve for the supply and the return. I sometimes set that valve in the middle as a theft deterrent. I did this with the HP pump and forgot to turn it back to allow flow, instant pop fuse. No problem, took radio fuse and went along my way. I put the breaker to save me from spending my retirement on fuses. fuse is fine.

75, 351W, Fitech Efi, C4, Tera Low twin stick, Detroits front and rear, 35x12.5x15 BFG Mud Terrain , 5.5" suspension, wristed arm, rotated front yokes, Currie HD 9", Vac Power Disc/Drum
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Old 10/16/18, 01:34 PM   #53
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I gotcha. Thanks for your help man. Finally have a break in dad duty tonight, putting in new pump after work. Went ahead and ordered pressure regulator as well.
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Old 10/16/18, 07:22 PM   #54
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Ok, put that summit pump on as mentioned above by airman. And the fuel pressure is back 100%. And it is SO much quieter. Anywho, ha you thought this had a happy ending, it is still acting up... It runs like a champ in neutral but driving under even the slightest load it, at operating temperature it still is busting up. Keep in mind it ran fine up until about a week and a half in of install. Regulator on the side of fitech next? Or reset fitech?
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Old 10/16/18, 07:28 PM   #55
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Could the dud fitech pump, pumping <10psi, wreck the pressure regulator?
https://www.amazon.com/dp/B001CO2H3G...iglink21140-20
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Old 10/16/18, 08:52 PM   #56
Broncobowsher
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Watch the fuel pressure as it breaks up. Is the pressure dropping off or staying high?
How fresh are the fuel filters?

"She's built like a steakhouse but she handles like a bistro"-Zapp Brannigan
Why do people keep expecting "normal" from me?
Full throttle, it either solves the problem or ends the suspense.
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Old 10/17/18, 07:53 AM   #57
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What does "busting up" mean? like starving for fuel? Are you running the pump straight from the FiTech (orange wire) or are you using the orange wire to operate a relay? I think both will work (i have done both) but I'm curious. Also, please change the regulator. I'll buy you one or paypal you $25 if it doesn't fix this. I just can't watch anymore ;-)

75, 351W, Fitech Efi, C4, Tera Low twin stick, Detroits front and rear, 35x12.5x15 BFG Mud Terrain , 5.5" suspension, wristed arm, rotated front yokes, Currie HD 9", Vac Power Disc/Drum
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Old 10/17/18, 11:33 AM   #58
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Yes like it is starving for fuel. I’m running the pump straight from the fitech. Orange wire to + of pump. Hahaha, hilarious airman, it’s in the mail headed my way. Hopefully here tomorrow! I’ll try that then I’m resetting fitech
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Old 10/18/18, 01:31 PM   #59
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Airman do you run an in-line regulator at all with that pump?
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Old 10/18/18, 10:04 PM   #60
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I don't think you should ever run two regulators in one line.
Even if one is acting up, you fix that one instead of adding another.

At least that's my take on the subject.
I believe some have tried two regulators simply to reduce pressure from an EFI pump to run a carburetor, but that's a different subject.

Paul

'71 Wagon, 3.5" WH, F150 disc brakes and steering, 4.11 33x11.50 Thornbirds, Kayline soft top, Hanson bumpers. "Built, not bought"

'68 LUBR, 2.5 + 1 WH, 31x10.50, 4.56, Explorer and 4R70w by EFI Guy, WH disc brakes, Hanson front bumper, Warn winch. "Bought, not built"

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