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Quick question

Old Feb 16, 2007 | 09:21 AM
  #1  
92HeritageT~Top's Avatar
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Joined: May 2004
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From: Tyler, TX
Car: 92 Heritage T-Top
Engine: 350
Transmission: 5-Speed
Quick question

Does VATS disable your fuel pump or not?

I've done a lot of reading and searching and half the people say it does and half of them say it doesn't.

I'd like to know for sure. From what I can tell it disables your starter by denying the starter relay a ground. It disables your fuel injectors through the ecm. And from what I can tell this is all.

Anybody know if it does anything with your fuel pump?
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Old Feb 16, 2007 | 10:14 AM
  #2  
smithtc's Avatar
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From: Alabama
When I had to fix my VATS, the fuel pump would still prime the fuel lines and give fuel pressure... I'm not aware of any linkage to the fuel pump via the VATS. Just starter and injectors.
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Old Feb 16, 2007 | 10:52 PM
  #3  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The VATS tech article details the circuits.
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