Pettersen

iTrader: (1)

Connected AEM uego wideband and 2x egt sensors to the fcbox, and when i go into window -> Map watch, and select either egt or uego, i only get zero in the columns, if try to give it some gas i only get more zeroes.

So is it any settings i need to change, or is it my wiring wich is like this:

Aem Uego:
0v = 10,1:1 AFR
5v = 18,5:1 AFR

Set to AN1-AN2
0-5v connected to AN1
wire spliced into uego ground wire connected to AN2

EGT signal conditioner.

0v = 0C
5v = 990C

0-5v from egt1 connected to AN3
0-5v from egt2 connected to AN4

arghx

iTrader: (3)

Did you select "aux" under monitor window?

If so, does the raw voltage show up in the monitor window while you are recording data?

Pettersen

iTrader: (1)

No i did not, but i'm away at school now, so can't test it until next weekend.

So if it doesn't show voltage the wiring could be wrong?, and what could be wrong if it shows voltage?

Thanks.

arghx

iTrader: (3)

If you don't select "aux" , it won't read anything from your inputs.

If you turn it on and it doesn't show voltage, you have to start tracing and look for an open circuit.

If it does show voltage, I would start looking at the way you set up your aux inputs in the software and the way you are using the chart viewer, map watch, etc. Basically, if it does show a voltage then there's a good chance you've got user error with FC-Edit.

Pettersen

iTrader: (1)

Thanks, going home today, so will check it out later today or tomorrow.

Pettersen

iTrader: (1)

It was a picnic*

Just had to check the aux box in the monitor window

Now it's working, did a quick log at idle just to check that stuff works, the car wasn't completely up to working temp, so the figures aren't realy useful for anything.

The afr numbers was almost excactly the same as the ones on the gauge, i'm not shure about the egt's but i put in the values that where given with the signal amplifier, so they should be correct.








*problem in chair not in computer"

cewrx7r1

iTrader: (2)

But then you aso have to properly setup the AUX from the main PFC software SETUP tap so that the values logged are correctly interpreted and displayed.

No Knack?

Pettersen

iTrader: (1)

Please explain in more detail.

Do you mean knock? No i don't have a knock sensor.

arghx

iTrader: (3)

I think by "knack" , he was making light of your user error with the aux box... English idiom

EGT looks good. Keep it under let's say 900C for best life of components. There are two concerns with EGT:

1) hot exhaust gases blowing back into the combustion chamber--this is not much of an issue on single turbo + divided manifold, but stock FD manifold or series 4 2nd gen would have an issue

2) hot exhaust gases burning up your turbo, degrading your manifold, etc. It's hard to say exactly where that line is, but most exhaust components and turbos degrade faster when EGT gets higher than 850-1000C. But then again, if you don't drive the car that much, you can accept shorter life of components. Countermeasures to high EGT are:

1) richer mixture--side effects are reduced engine output, possibly more carbon deposits, more fuel consumption
2) injecting water, methanol, etc--advantages and disadvantages are well known
3) advancing timing--increased chance of knock, which is an especially significant risk considering aftermarket ECU's typically don't have good (or any) knock control

Pettersen

iTrader: (1)

1: Non turbo, so i guess it's not much of an issue since i got a rotaryworks header.

2: I plan on having the car as a daily driver, so i hope to put quite a few miles on it. But it will only be driven hard a couple of times a year when i'm at track events, not much of a "streetracer".

arghx

iTrader: (3)

I wouldn't be too worried about knock on a non turbo. They can handle a lot. My non turbo was tough.

Pettersen

iTrader: (1)

Good to know.

I just got chucks notes downloaded from the pfc group, so i will start reading it asap.