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VATS question

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Old 07-23-2007 | 05:44 PM
  #1  
Chet's Avatar
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Joined: Sep 1999
Posts: 466
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From: Upstate NY
Car: GTA
Engine: L98
Transmission: 700R4
VATS question

Quick question, if I can hear the fuel pump prime with the key in the "on" position does this rule out a VATS issue?
Old 07-23-2007 | 06:34 PM
  #2  
Jproz1167's Avatar
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From: California
Car: 1982 Trans Am & 1982 Corvette
Engine: L-98 with LO-3 induction. 350 CFI
Transmission: 5 speed and vette has 700r4
Axle/Gears: 373's in T/A .. vette unknown
Re: VATS question

Mine works like this. Turn key on security light stays on for maybe 10 seconds and goes out. If it stays on then vats has issues.
Old 07-24-2007 | 01:17 PM
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DZcode's Avatar
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From: Virginia
Car: 1969 Z28
Engine: 406 TPI
Transmission: Tremec TKO 600
Axle/Gears: 3.31
Re: VATS question

VATs does not control fuel to the engine, it controls spark.

I swapped '730 speed density ECU TPI with VATs into my 69 camaro. The fuel pump would prime for two seconds everytime I turned the key, but the engine would not start until I turned VATs off in the bin.
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