APEXI Power FC ECU + Commander

[maximtaylor]

I ignore any value less than about half way up the line (in 4 display mode). I also ignore ALL readings when the engine is not under any boost.

However even some of the readings under boost can appear spurious sometimes, you can get a momentary blip which only occurs once in a blue moon. General noise is a problem.

I know of a few users that ignore the thing completely.

Regards

Max

[evildave]

i thought my knock levels were showing high on the commander so i disconnected the water pump/power steering pump etc for a while. The knock remained the same, apparently engine mounts etc can make a difference. My engine has only covered 1500 \'running in\' miles although it is running no cats & a single turbo so maybe it\'s running a bit lean because of the breathing. Best to make sure air/fuel ratio is ok.

[BlitzBoy]

so the knock sensor is as good as a car with no wheels lol

i must be patient and wait for the wideband to arrive then.

What AFRs you guys getting at WOT?

[maximtaylor]

I aim for around 11.5:1 under WOT, 11:1 through peak torque (around 5k revs until 6.5k revs)

Although I am going to remap for water injection a bit leaner.

Regards

Max

[kevint]

Max,

Whilst on the subject of Apexi what typically needs to be changed via the commander to get through an MOT emissions test for later imports?   I have Feed downpipe, RB back box and stock cat.

Thanks

Kevin

[BlitzBoy]

Yeah you can go into a test mode and cut the fuel correction map by 25 percent, what ever you do dont drive it at that setting otherwise the engine will go boom.

Max has the proper procedure down to a tee, im sure he will post the steps to do this

[maximtaylor]

Yep, that\'s pretty much it explained!

You really need the tester to allow you to sit in the car during the emissions test, so you can fine tune the fuel to pass.

I\'ve said it before, but putting the a/c on helps as well, puts just enough load/revs on the engine to pass a normal idle test, and should help on a fast idle test as well if required.

having the feline in the pipe will help no end

Regards

Max

[kevint]

Cheers guys

Kevin

[BlitzBoy]

yeah grab a stray moggie and shove it up the exhaust pipe that will soak up the emissions lol :rollin

[antnicuk]

could you clarify how to reduce the emissions for mots/road side checks etc,  i have a commander but no instructions so i am not to ofay with it.
cheers
tony

[maximtaylor]

Do a search first, we have covered this subject at least twice before.

How about a sticky??

There is a pdf version of the commander manual out there somewhere as well.

If you have no joy, then let me know and I\'ll trawl it out

Regards

Max

[BlitzBoy]

Yes Moderators make this a sticky as these question get asked quite often.

http://www.spipowerexcel.com/pdfs/fc_commander_fd3s.pdf

Here is the Link for the instructions on how to change the settings via the comander for the RX7

[kevint]

Done

Kevin