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

3.1 ecm need help.

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Old Oct 15, 2009 | 06:35 PM
  #1  
a1990camarors's Avatar
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Joined: Oct 2007
Posts: 252
Likes: 2
From: Troy IL
Car: 1990 rs 1992 z28 1995 jeep
Engine: no engine, 383stroker, inline 6 4.0
Transmission: none, t5, auto
3.1 ecm need help.

how do you make the 3.1 ecm relearn its idle if the car wont stay running?
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Old Oct 15, 2009 | 06:56 PM
  #2  
jensen73110's Avatar
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Joined: Nov 2003
Posts: 1,049
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From: Oklahoma City
Car: 1991 Firebird
Engine: 3.1L +bolt ons
Transmission: 700R4
Axle/Gears: Moser forged, 3.73, SLP posi
Re: 3.1 ecm need help.

https://www.thirdgen.org/forums/v6/1...dle-learn.html
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Old Oct 15, 2009 | 08:14 PM
  #3  
legendofkane's Avatar
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Joined: May 2009
Posts: 94
Likes: 1
From: REIDSVILLE, N.C.
Car: 1992 CAMARO RS
Engine: 3.1 V6 STOCK
Transmission: AUTO 700R4
Axle/Gears: 3.73
Re: 3.1 ecm need help.

why does the car shut off?,,any codes being thrown,,if not possible vac leak,no fuel or spark..how long does it run before it stops..
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Old Oct 16, 2009 | 11:01 AM
  #4  
a1990camarors's Avatar
Thread Starter
Member
 
Joined: Oct 2007
Posts: 252
Likes: 2
From: Troy IL
Car: 1990 rs 1992 z28 1995 jeep
Engine: no engine, 383stroker, inline 6 4.0
Transmission: none, t5, auto
Re: 3.1 ecm need help.

fuels good that im positive off. spark should be good but not poitive. all vaccum lines are good and manifold bolts are tight. it runs for about 2 seconds then dies
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Old Oct 16, 2009 | 12:09 PM
  #5  
legendofkane's Avatar
Junior Member
 
Joined: May 2009
Posts: 94
Likes: 1
From: REIDSVILLE, N.C.
Car: 1992 CAMARO RS
Engine: 3.1 V6 STOCK
Transmission: AUTO 700R4
Axle/Gears: 3.73
Re: 3.1 ecm need help.

did you check the ecm for any codes?...if it was vats it wouldnt do anything so ur good on that,might be weak spark,the gas is extinguishing the spark and causing it to die maybe,,pull all plugs,check color and wear,,if thy r not bad, gap to 45 thousandths (.045) and be sure to check the tbi bolts but that would be a bad leak to only run 3 seconds,u would hear that maybe if some one else turned the key while u listened.Please update us on what u did..
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Old Oct 16, 2009 | 01:52 PM
  #6  
a1990camarors's Avatar
Thread Starter
Member
 
Joined: Oct 2007
Posts: 252
Likes: 2
From: Troy IL
Car: 1990 rs 1992 z28 1995 jeep
Engine: no engine, 383stroker, inline 6 4.0
Transmission: none, t5, auto
Re: 3.1 ecm need help.

ya i have till tuesday to figure it out then its going to a shop either way ill let u guys know what it is. ive eleminated a ton of stuff. im putting most of my money on it bieng a spark issue i found my voltmeter today so ill be out there tmrw troubleshooting. ive replaced everything from distributor to spark plugs so im guessing i have a short or a broken wire inside the insulation bc everything looks to be good.
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