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Thread: DFCO settings - basic question

  1. #1
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    Default DFCO settings - basic question

    I am working on solving an issue with excessive fueling / near stall during deceleration. I suspect that it may or may not have to do with DFCO, however these settings got my attention.

    Would someone please help me understand whether these have an effect on this?

    (screenshot attached for reference)

    Noticed enable settings for RPM / temp are silly high...

    Thanks very much in advance!
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    '12 Caprice PPV 6.0 L77 - daily transportation
    8.7 @ 84 (1/8 mile) bolt-ons

    '02 Silverado RCSB 5.3 L59 - regularly street driven
    8.2 @ 86 (1/8 mile) stock cam and spray
    8.6 @ 84 (1/8 mile) cam and heads no spray

    Our YOUTUBE CHANNEL featuring the Silverado

  2. #2
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    B3308 to B3312 are for M6 DFCO. If enabled, it will cut fuel during gear changes(if you have a manual). 3308 and 3309 are set to "turn off" that option. 313-3321 are for normal fuel cutoff when in gear(auto or manual).

    I'm super bored at work so if you post a log and tune I could take a look. I'm no expert but I did stay in a holiday inn last night(also just finished Calc.Vet on my swap)

  3. #3
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    Thanks much for the reply and looking. Just got out of work.
    Attached Files Attached Files
    '12 Caprice PPV 6.0 L77 - daily transportation
    8.7 @ 84 (1/8 mile) bolt-ons

    '02 Silverado RCSB 5.3 L59 - regularly street driven
    8.2 @ 86 (1/8 mile) stock cam and spray
    8.6 @ 84 (1/8 mile) cam and heads no spray

    Our YOUTUBE CHANNEL featuring the Silverado

  4. #4
    Lifetime Member Boost's Avatar
    Join Date
    Dec 2006
    Posts
    1,506

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    @ Jetmech442, PM sent with full mod list.
    '12 Caprice PPV 6.0 L77 - daily transportation
    8.7 @ 84 (1/8 mile) bolt-ons

    '02 Silverado RCSB 5.3 L59 - regularly street driven
    8.2 @ 86 (1/8 mile) stock cam and spray
    8.6 @ 84 (1/8 mile) cam and heads no spray

    Our YOUTUBE CHANNEL featuring the Silverado

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