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Fuel Delivery Quandry

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Old Sep 23, 2011 | 07:13 PM
  #1  
85 T/A WS6's Avatar
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Joined: May 2001
Posts: 1,705
Likes: 3
From: Washington
Car: Recaro Option T/A
Engine: 305 Tuned Port Injection
Transmission: Automatic
Axle/Gears: 3:27 Borg Warner
Fuel Delivery Quandry

Why would a fuel pump deliver pressure for infinity at idle then when you drive it, car slowly quits?

Been battling this for too long now. Thought I had it fixed


I installed a ACDelco 19179597 pump in 11-09.
ever since then I have had issues. Starts up fine, runs great, then drive it for a few miles then it dies a slow death.

Let it cool off, start it up, its a brand new car.

I dont drive my car anywhere, it has dick for miles.


new items since pump install:


coil, cap, rotor, plugs, wires, filter, regulator, pump relay, hi flow cat.

The new regulator was installed and tuned with a fuel pressure gauge at recommended settings.


WTH?
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Old Sep 23, 2011 | 07:16 PM
  #2  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Fuel Delivery Quandry

No problems with the tank venting?
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Old Sep 24, 2011 | 01:26 PM
  #3  
85 T/A WS6's Avatar
Thread Starter
Supreme Member
 
Joined: May 2001
Posts: 1,705
Likes: 3
From: Washington
Car: Recaro Option T/A
Engine: 305 Tuned Port Injection
Transmission: Automatic
Axle/Gears: 3:27 Borg Warner
Re: Fuel Delivery Quandry

Vents fine, I can start it ip this am, put the pressure gauge on it, and it will read fine. Something is making the pump die when it is driven.
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