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Brand New PFC not working.

USRB25S13
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USRB25S13 Enthusiast

USRB25S13

Posted
Posted

Well I just got my New Apex Power FC in the mail this morning and I went out pulled to stock ECU and pluged the PFC in. When I turned to key on nothing happend at all. No Check engine light illuminated and the comander isn't lighting up or showing anything at all. I checked the Model # to make sure it's the right one for my car. Crank the engine and it wouldn't start. :(

Is there somthing that needs to be done to the unit before it will work? I looked at the english manule from the Apexi webpage and didn't see any steps I missed.

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https://www.sau.com.au/forums/topic/45468-brand-new-pfc-not-working/
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krzysiu Grand Master

krzysiu

Posted
Posted

dont put it in yourself. It best that the computer is put in by a mechanic and tuned straight away. I know someone that put it in himself with a new set of forged pistons. He drove it for a while untuned and bye bye new forged pistons.

my 2 cents

Merli Grand Master

Merli

Posted
Posted
The plug is going in all the way. I am a mechanic by the way.

It's happened to me before... Just unplug it, check all the pins are still straight, and try plugging it back in again.

If it still doesn't fire up after a few tries, check the power wires going TO and FROM the PowerFC (yes the PowerFC has OUTBOUND power wires)...

Other than that, it could very well be buggered? It's just a straight plug-in, and it should turn on and let you switch off the boost control option (if you're not using the boost controller, you have to turn the option off in the menus, otherwise it won't start properly/idle)

lwells Grand Master

lwells

Posted
Posted
dont put it in yourself. It best that the computer is put in by a mechanic and tuned straight away. I know someone that put it in himself with a new set of forged pistons. He drove it for a while untuned and bye bye new forged pistons.

my 2 cents

Err, why pay for a mechanic to do it? IMHO that's just a waste of money since a PFC is essentially a plug and play device.

Sorry, but your friend was just stupid. Driving around on a base map with a rebuilt engine is a silly idea.

LW.

USRB25S13 Enthusiast

USRB25S13

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Do you know someone with the same car?

Try it in their and see if it fires up.

When i put my pfc in the engine would turn over but not start and it kept loosing any setting we would change. The solution was to put a new earth into the loom and that solved the problem.

Before the ground was put in the loom did the ECU work? Mine doesn't do anything at all. I tried running a ground wire to the ECU case and it didn't make any difference. So how did you figure to run the wire. Did you have to add an extra wire in the ECU conector?

NRB Rising Star

NRB

Posted
Posted

I installed my PFC - simply unplugged the stock ECU, inserted plug into PFC then screwed the bolt down to lock the loom in. I certainly didn't need to earth it.

As for it being a "Plug and Play" device... sure it'll fire up, and even run enough to allow one to drive around, but the mixtures won't be anything near what is required. I can't see how the fool destroyed his motor driving it like that - if he was driving the car hard then I can, but people who fork out lots of money to rebuild a motor and install an ECU usually know a lot about the product they're paying for.

Merli Grand Master

Merli

Posted
Posted

I've noticed that some PowerFCs uses it's metal case to ground itself.

You can't just have it lying on the carpet, you need to screw it into the bracket in the kick panel which will ground the unit.

Others I have seen have worked fine lying on the carpet, so I dunno?

B-Man Grand Master

B-Man

Posted
Posted

Dude - check that your AFM is wired properly and the right setting for AFM are there. And also check that your AFM is working OK (ie swap with another one)

I just had exactly the same problem - swapped my AFM out and all good. I just don't know if my AFM is stuffed or my wiring was wrong cause I had a Q45 (didn't work) and changed to a VG30DE AFM (worked)

Good luck :D

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