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

5.0 injection

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Old Oct 18, 2010 | 05:53 PM
  #1  
SweetTnMann's Avatar
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5.0 injection

i have a 91 camaro that is not injecting.. i installed new pump, relay and injectors.. it was running good after the new injectors.. i turned it off, went back 15 min later and the injectors are not working now.. what could have happened?
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Old Oct 18, 2010 | 11:57 PM
  #2  
UnderCover89TBI's Avatar
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Joined: Feb 2006
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: 5.0 injection

Are you getting spark? A common problem is the ICM (ignition control module) it has been known to kill spark, injector pulse. just one, or sometimes both.
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Old Oct 19, 2010 | 12:35 AM
  #3  
bluers91's Avatar
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Joined: Dec 2005
Posts: 443
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From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: 5.0 injection

You could try spraying starter fluid into the tbi while turning it over to rule out if its fuel or spark. If the car begins to start, its fuel related.
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