Need help. Finally got a wide band o2 sensor installed (MTX-L 0v = 7.35 5v = 22.39 AFR) connected to Pin 16 on my ecm. The hard ware is working.
Made math adjustments in TunerPro RT ADX file but i must be missing something, tunerPro don't see anything in the wide band o2 log. atached is the ADX file
Last edited by Dom; 05-01-2018 at 03:43 AM.
1993 Chevy Blazer TBI Vortec long block 5.7
16168625 BDJZ 46mm TB 18 PSI fuel
Camshaft, Hydraulic Roller Tappet, Advertised Duration 288/308, Lift .431/.451
Chevrolet Performance Vortec TBI Intake Manifold
shorty's, y-pipe and 3" full boar muffler
After making changes to my bin file for the egr that is listed in the notes, I started getting some readings. The readings are in the 400 rang witch is way off.
1993 Chevy Blazer TBI Vortec long block 5.7
16168625 BDJZ 46mm TB 18 PSI fuel
Camshaft, Hydraulic Roller Tappet, Advertised Duration 288/308, Lift .431/.451
Chevrolet Performance Vortec TBI Intake Manifold
shorty's, y-pipe and 3" full boar muffler
Typically the ADX needs to be modified to calculate WBO2 data correctly.
The man who says something is impossible, is usually interrupted by the man doing it.
ADX file was modified to WBO2 (X*3.008+7.35, X=V). Non modified ADX file gets closer with X*0.039063+10. Something is messing with X value. I tried X*0.03008+7.35 and gets me close, but don't add up. Where is the place to view X value?
1993 Chevy Blazer TBI Vortec long block 5.7
16168625 BDJZ 46mm TB 18 PSI fuel
Camshaft, Hydraulic Roller Tappet, Advertised Duration 288/308, Lift .431/.451
Chevrolet Performance Vortec TBI Intake Manifold
shorty's, y-pipe and 3" full boar muffler
Up date, 0.03008 is my original number, double that 0.06016 makes better math and will match the gauge at about 14.31 AFR. End equation X*0.06016+7.35. I will need more testing to check the slope.
1993 Chevy Blazer TBI Vortec long block 5.7
16168625 BDJZ 46mm TB 18 PSI fuel
Camshaft, Hydraulic Roller Tappet, Advertised Duration 288/308, Lift .431/.451
Chevrolet Performance Vortec TBI Intake Manifold
shorty's, y-pipe and 3" full boar muffler
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