V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Can I start a 2.8L EFI w/o ECM??

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Old Mar 1, 2004 | 01:19 AM
  #1  
OdysseyHayabusa's Avatar
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Joined: Apr 2003
Posts: 15
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From: Speedway, IN
Car: Trans AM
Engine: 2.8L V6 (from '85 firebird)
Transmission: 5-Speed
Can I start a 2.8L EFI w/o ECM??

Can I start a 2.8L EFI w/o ECM??
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Old Mar 1, 2004 | 01:22 AM
  #2  
Project: 85 2.8 bird's Avatar
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Joined: Jul 2001
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
it will crank, but will not run
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Old Mar 1, 2004 | 01:23 AM
  #3  
85f-bird's Avatar
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From: St. Louis, MO
Car: 85' Firebird (Project), 92' RS
Engine: 2.8L, LS1
Transmission: 700R4, 4L60E
Axle/Gears: 3.42 Open , 10 Bolt (ukn)
yea, wut he sed
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Old Mar 1, 2004 | 01:39 AM
  #4  
TechSmurf's Avatar
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From: Tucson, AZ, USA
Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
This has to be one of the sillier questions I've seen, but hey...

Since you've got the short answer, here's the technical answer. The ECM supplies the pulse to open the fuel injectors. Without the fuel injectors firing, you're not getting gas. No gas, no run. This applies to *ALL* EFI vehicles.
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