 Air/Fuel mix experts needed. |
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| malcolm2 |
 Sep 30 2026, 04:04 PM
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Advanced Member  Group: Members Posts: 2,750 Joined: 31-May 11 From: Nashville Member No.: 13,139 Region Association: South East States 
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Hey hey... I need some suggestions. I went for a nice drive last nite. I have a AFR gauge that has not been working. But the PLX Devices system has a blue tooth transmitter so i can review the live data on my phone.
I was getting 10.5 A/F reading. It did jump to 12.5 as i went to neutral and coasted to a stop. To start with, I was thinking i would pull the sensor and take a look, maybe clean it up and re-drive. Any ideas about the 1st steps? The car seemed to run fine. I will need to look them up here, but years ago I had a reply from, I believe, Mark Henry that gave me the following: 13.5-12.9 while accelerating of climbing 12-8-12.5 at WOT 16-17 going downhill or decelerating. 1911 cc L-Jet. I did tweek the AFM back in the day. 62,000 miles ago. the link to the 5 page post from 2017 |
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