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PLX WB 02 Reading 13.60-13.62 in all cells

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Old 05-18-2006, 06:39 PM
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Default PLX WB 02 Reading 13.60-13.62 in all cells

Just got my PLX hooked up, model M-250. Logging data in EFI. Problem is when I log data, any number of cells are being hit but AFR stays @ 13.60-13.62. PLX has no calibration feature. Cra has mild tune and is running with MAF.

Any one have any ideas?
Old 05-18-2006, 08:07 PM
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Log both the EFI black box inputs, you are probably logging the wrong one. The input that's not used just drifts. Are you using the PLX for narrow band simulation?
Old 05-18-2006, 08:34 PM
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No NB!
Old 05-18-2006, 08:54 PM
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Got a voltmeter, digital preferably. Check the orange plug for 0 to 5VDC. +-5 volts with power on and engine not running, indicating lean condition, this may take a few minutes.
Old 05-18-2006, 09:15 PM
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Voltage to EFI connector was spot on. At idle, voltage was 2.3 and drops as RPM's increased. 2.3 volts equates to 14.6 at idle. When i checked data in EFI, voltage was a constant 1.8 and AFR was 13.6
Old 05-18-2006, 09:37 PM
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Originally Posted by Chalky
Voltage to EFI connector was spot on. At idle, voltage was 2.3 and drops as RPM's increased. 2.3 volts equates to 14.6 at idle. When i checked data in EFI, voltage was a constant 1.8 and AFR was 13.6
Which pid are you logging 1 or 2 and what terminal are you hooked too?
Old 05-18-2006, 09:47 PM
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Looking at the black box. With the bi-pin on the left that's A & B next is C-PLX1, D-Ground and then E-PLX2.

Last edited by Purrvert; 05-18-2006 at 09:57 PM.
Old 05-20-2006, 07:37 PM
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Originally Posted by Purrvert
Which pid are you logging 1 or 2 and what terminal are you hooked too?
This was it. Thanks




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