Any time PE enables, any time you go WOT. What is the number on the gauge?
Any time PE enables, any time you go WOT. What is the number on the gauge?
ok so from just wot mashing it stayed around 12.60 and from a stop it dipped into the 11s but was kind of all over the place till it leveled out around 12.60
That's what I figured. Problem is wideband in the log is indicating 13.6-14.1 during PE. It's not fuel pressure because of the abrupt transition in AFR error only during PE. What's weird is the wideband indicates stoichiometric during CL like it should.
What I'm saying is the wideband in the log isn't matching the gauge. Something is going on with your scanner config or wiring to the MPVI ProLink.
I can go do another run and make sure it matches. or see if I can find a solution. unless you have any ideas?
I don't have an explanation. If it was me I'd run serial-usb and not have to worry about analog signal problems. You'd have to order a breakout connector and the right cable for that. Could try analog A/C or EGR for now I guess.
Alvin recommends videoing the screen and gauge at the same time so it can be adjusted.
Yeah don't though. If it's wrong you're going to be cobbling the math to make it right. I hate cobbling. Then you have to wonder is right actually right.
Well I'm open to ideas or suggestions on how to get this to work.
Id video it anyway just to get a better idea of the scope of the problem.
USB to Serial cable with FTDI chipset. DB9 serial female breakout connector. Amazon.Originally Posted by smasher
Ah. Use a different channel. I've never used ProLink btw.
"In VCM Scanner go to External Inputs > MPVI2 > Pro Link, you will then be able to add the PID “MPVI2 SP A/D Input 1” or “MPVI2 SP A/D Input 2."
https://www.hptuners.com/pub/Pro_Link_v1.pdf
yea that's how its setup currently with the prolink. probably just have to throw down on the serial port method. Is this all I need?
Last edited by smasher; 09-16-2024 at 10:57 PM.
Need the DB9 female breakout connector, too.
I'm guessing since the motor has been in and out that a ground wire wasn't put back somewhere.
ok these two items? does this hook from the wide band straight to the computer? seems pretty easy and better wasn't aware that you can do it this way otherwise I wouldn't have wasted money on the prolink.
USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable
DB9 Breakout Connector to Wiring Terminal RS232 D-SUB Male Serial Adapters Port Breakout Board Solder-Free Module with case(Female Serial Adapter)
Last edited by smasher; 09-16-2024 at 10:31 PM.
The manual for the wideband kit will show you what wires go into which pins on the breakout connector. The one that can be closed back up and has the wire strain relief is what I use.
Drivers for FTDI should automatically install when the serial-usb cable is connected.
In scanner use AEM - AFR.
Real quick though. How come scanner doesn't show MPVI A/D Input in the log? It's MPVI2.2->AEM 30-....
Are you absolutely sure about the channel before you go buying stuff?
once you make the mpvi a/d you have to transform it to the sensor you want to use otherwise it's just voltage
Last edited by smasher; 09-16-2024 at 11:08 PM.
That's no problem. I'd prefer raw signal. Do another log that has WOT so I can check it.
ok here it is. I see why the pro features are free now lol.
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