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Thread: Air Fuel Ratio not logging

  1. #1
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    Air Fuel Ratio not logging

    I have tried all I know a searched the forum over trying to get my AFR to log. Every time I connect I get a 'unsupported parameter'. I'm using my wideband through my A/C voltage to input the signal. This is on my '01 z06. Config is here. Everything else works A/c voltage is logging and all. Just can't get the Air Fuel Ratio to log?????? Thanks for the help.

  2. #2
    Advanced Tuner 69lt1bird's Avatar
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    You are using PID 2811 which is EGR voltage. I think you need PID 7101
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    1969 Firebird: 11.67@114 [email protected] 1/8 1.70 60 ft. EPS cam 234/246 .602.606 114+3, 6.0 LQ4, L92 heads milled 10.5:1, Ported L76 intake, ported 90mm Holley TB, 100mm MAF, FIC Custom injectors, Hooker LT, PYPES dual exhaust with an X pipe, 4L65e with all of the good parts inside, FTI 4000 RPM Stall, 12 bolt with 3.73 gears. HP Tuner tuned by me

  3. #3
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    Quote Originally Posted by 69lt1bird View Post
    You are using PID 2811 which is EGR voltage. I think you need PID 7101

    I don't understand, on my #4 user defined parameters Air Fuel Ratio, the function string is using 7101 PID. Where do you see that I'm using PID 2811? Am I missing something? Thanks for the help.

  4. #4
    Advanced Tuner 69lt1bird's Avatar
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    can you do a screen shot, your cfg doesn't show that when I open it. Odd
    Free HP Tuners Beginners Tuning Guide

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    Michigan Snowmobiler

    1969 Firebird: 11.67@114 [email protected] 1/8 1.70 60 ft. EPS cam 234/246 .602.606 114+3, 6.0 LQ4, L92 heads milled 10.5:1, Ported L76 intake, ported 90mm Holley TB, 100mm MAF, FIC Custom injectors, Hooker LT, PYPES dual exhaust with an X pipe, 4L65e with all of the good parts inside, FTI 4000 RPM Stall, 12 bolt with 3.73 gears. HP Tuner tuned by me

  5. #5
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    Quote Originally Posted by 69lt1bird View Post
    can you do a screen shot, your cfg doesn't show that when I open it. Odd
    aren't custom pid's stored in the vcmconfig file ?

  6. #6
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    Quote Originally Posted by 69lt1bird View Post
    can you do a screen shot, your cfg doesn't show that when I open it. Odd
    Here is the screenshot

  7. #7
    Advanced Tuner 69lt1bird's Avatar
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    Try this:

    [PID.7101]/.5+10
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    Michigan Snowmobiler

    1969 Firebird: 11.67@114 [email protected] 1/8 1.70 60 ft. EPS cam 234/246 .602.606 114+3, 6.0 LQ4, L92 heads milled 10.5:1, Ported L76 intake, ported 90mm Holley TB, 100mm MAF, FIC Custom injectors, Hooker LT, PYPES dual exhaust with an X pipe, 4L65e with all of the good parts inside, FTI 4000 RPM Stall, 12 bolt with 3.73 gears. HP Tuner tuned by me

  8. #8
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    That did it!! I knew it had to be something simple! (it always is). Thank you for your help!!