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DFI and ECM Discuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.

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Old 05-22-2009, 07:10 AM   #1
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Join Date: Feb 2001
Location: Wisconsin
Posts: 155
Car: 79 Monte Carlo
Engine: 406
Transmission: 2004-R
Axle/Gears: Phord 9 inch/3.90

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Help tuning with DFI Gen 7 and WB

I finally got my car running with the Accel Pro Ram/DFI Gen 7/Wideband 02 sensor.

http://www.youtube.com/watch?v=ojtkjuBAKi8

Could someone offer advice to get me on my feet for tuning this car? Currently you need to hold the throttle wide open for it to start. It runs clean with RPMs, but will not idle and runs very rich.
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79 Monte Carlo
Forged EFI 406-Brodix/Isky/Accel
Billet Jimmybuilt BRF 2004-R
Ford 9 inch/3.90
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Old 05-27-2009, 01:18 AM   #2
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Re: Help tuning with DFI Gen 7 and WB

Sounds like you are over-fueling it at start (guess) and the decay rate for after-start fueling might be a bit too high. Does it improve over time?
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Old 05-27-2009, 01:18 AM
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1992 Camaro




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