TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

one injector not working on holley tbi

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Old Sep 18, 2004 | 09:13 PM
  #1  
BAD91CamaroRS's Avatar
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From: missouri
Car: 91 Camaro RS 383
Engine: carbed 383
Transmission: 700R4
Axle/Gears: 3.42 posi
one injector not working on holley tbi

OK i know its not about my camaro but it has to do with my K5 Blazer and my new holley tbi. First of all i didnt get the pigtail for the injectors so i cut and spliced it all in. The problem is that my pass side injector does nothing at all. I dont know if it has to do with the connection on the cap and the little prongs or what.. I tried switching plugs for the diff sides and the pass side still didnt work so i think it mat actually be the injector??? Any help is appreciated
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Old Sep 18, 2004 | 11:36 PM
  #2  
dimented24x7's Avatar
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
Its a strong possibility that it may be the injector. What resistance do you get from it? From the sound of it the injectors are those old style ones so swapping a stock pod on might be a good idea.
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Old Sep 19, 2004 | 07:37 AM
  #3  
Mr.Crackhead's Avatar
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From: LaFollette, Tn.
Car: 1990 Formula
Engine: 355
Transmission: T5
Probally th einjector, I have had two of mine go out. A tip, if you go to a parts store you can get a replacement injector at autozone or such if you ask for a 88 dodge Dakota, V8 injector. th eholley utilizes Mopar injection.
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Old Sep 19, 2004 | 07:51 AM
  #4  
transporter's Avatar
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From: Jeffersonville, In (Louisville, Ky)
Car: 92 Z28
Engine: 305 TPI, Edelbrock headers, 3in Flowmaster exhaust
Transmission: 700R4
I had the same problem on a crossfire TBI Z28. After trying a different injector, checking fuses and everything else, it turned out my cars computer was the problem. I repaced it with a new one and everything was fine.
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Old Sep 19, 2004 | 08:54 AM
  #5  
BAD91CamaroRS's Avatar
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From: missouri
Car: 91 Camaro RS 383
Engine: carbed 383
Transmission: 700R4
Axle/Gears: 3.42 posi
Well i just went outside and switched wires from the diff injectors and my wiring is fine because the pass side still wont work. This is a new throttle body but i think i have the old style injectors(half sphere black cap) I dont want to swith pods because my other injectors are shot and they look different anyways. How can i get this injector out??
THANKS
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Old Sep 20, 2004 | 11:34 AM
  #6  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by BAD91CamaroRS
How can i get this injector out??
THANKS
Take the top part of the pod off and use a screw driver to pry up on the injector. I use two screw drivers so that I do not dig into the TBI casting. Use one as a brace (lay flat) and the other as a pry. Don't lose any of the little washers that may come out when you remove it.
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Old Sep 20, 2004 | 02:11 PM
  #7  
BAD91CamaroRS's Avatar
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From: missouri
Car: 91 Camaro RS 383
Engine: carbed 383
Transmission: 700R4
Axle/Gears: 3.42 posi
the holley unit looks to be sealed so im sending it back to where i bought it so they can put a new injector in. Thanks for all the comments
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Old Sep 20, 2004 | 05:12 PM
  #8  
dimented24x7's Avatar
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
You should ditch that thing and use your stock pod with some good injectors on the holley base. Those ones in there now are nothing but trouble.
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