Need help tuning my pfc

[jacobs13]

I have an s13 with an s14 sr20 that is fully built. The old pfc fried. So I bought a new one and I am a little new to the tuning so I need help. I have 650cc injectors, z32 maf, and a gt2871rs. I dont know if i need to give more info but I can. Everything works, I can hear the fuel pump and the coil packs had power but I didnt check for spark. Anyway can anyone help me program the pfc or do i need to take it to a tuning shop?

Thanks

[xska]

You should just take it to Driftspeed. They are power fc specialist. Located in Los alamitos.

[fliprayzin240sx]

Or PM Steve Shadows to either mail you a PFC tune to get it running and drive it to his shop to do a full tune...

[jacobs13]

Alright thanks guys.
I went into driftspeed and they charge 150 an hour and he said it would take 2-3 hours. He also said that I cannot upload a map onto the unit now. Is that true?

[jacobs13]

I found out the car should still start untuned but run like shit. So I checked for spark. none. The car was running before on the exact same setup and the pfc fried so I got another one. What could be the problem?

[xska]

Did you ask Koji (guy with long hair) ?
Tuning is $150 hour, but i think diagnose is $80-$90 an hour.
You shouldn't run new power-fc, until the problem on harness is solved, you will fry it again.
Tuning typically takes 1-3hours depends on the car. Less problem with car(miss fire, unstable boost.....etc) faster they can do it.

[Sileighty_85]

throw the Stock injectors and MAFS back on reintitalize the PFC (OR throw the stock ECU on) and it should drive DO NOT BOOST IT.

[jacobs13]

I am not doing anything with the car untill the wiring is fixed. I went into driftspeed and they told me the rate but I dont want to do anything until the wiring is fixed. i am thinking of having gsxrjjordan do it. As far as putting th e old injectors and maf in I do not have them. I can come across some injectors but not a maf. I was told the car should still start untuned so I am going to get the wiring done and see whats up.

[jacobs13]

Everything is good now but I am getting no spark. I am getting 12v to the middle wire on the connectors to the coil packs but thats it. should there be power in the other two wires? When cranking?

[fliprayzin240sx]

Bad coilpack?

[jacobs13]

Bad coilpack?

I doubt it because it was running before the old ecu fried and now putting in the new one. the old fried because of a short and the car was rewired. I checked all the wire and they all look and it has power so maybe its the plugs? Kinda ironic for all to go out at once.

[razmus]

How do you know the old ECU was fried? Maybe you blew the 75 AMP fuse? If you say youre having wiring issues it could be a possibility.

[jacobs13]

I never checked the fuse but thanks. But would they still have power to the middle wire if the fuse was out? And I knew the other ecu actually its a power fc was fried because i took the cover off and saw it

[stockbee]

you should be able to tell the power fc that you have a certain size of injector and it should be able to compensate for it somewhat within the basemap. I just installed mine and it had a program saved that was saved for 740 cc injectors. So look into that. maybe that will help.

[jacobs13]

I need to upload the old map onto it but I am waiting for it to get emailed to me. But the car should still start. I am not getting spark and I dont know why. The old ecu fried so it was rewired and now it wont spark but I am getting 12v to the middle wire on the plugs on the coil packs but I am not sure if the other are supposed to have any power?

[aNskY]

you should be able to tell the power fc that you have a certain size of injector and it should be able to compensate for it somewhat within the basemap.

really? where did you find this option?

last i checked we had to make % corrections... but im not a tuner so, fill me in!

[jacobs13]

really? where did you find this option?

last i checked we had to make % corrections... but im not a tuner so, fill me in!

Im pretty sure you have to do that on the comp. The fc commander is pretty limited and very confusing a least for now

[Slip&Sliden 240]

You can change for injector size with the hand held.

Apexi PowerFC FAQ (http://www.paulr33.com/powerfc-faq/powerfc-faq.htm#57)

[jacobs13]

For thyYou can change for injector size with the hand held.

Apexi PowerFC FAQ (http://www.paulr33.com/powerfc-faq/powerfc-faq.htm#57)

Thanks for the info

[aNskY]

You can change for injector size with the hand held.

Apexi PowerFC FAQ (http://www.paulr33.com/powerfc-faq/powerfc-faq.htm#57)

good post

correction % isnt hard to figure out

[jspaeth]

When first doing the injector correction, make the number a little larger than you should, just to be safe......flowrate is not necessarily perfectly linear with duty cycle...

[aNskY]

Im pretty sure you have to do that on the comp. The fc commander is pretty limited and very confusing a least for now

btw i have a datalogit.. it's still correction ;)
there are programs for other platforms that will do self corrections including target afrs but i dont think theres any for the sr ...

[jacobs13]

btw i have a datalogit.. it's still correction ;)
there are programs for other platforms that will do self corrections including target afrs but i dont think theres any for the sr ...

Damn because I have a datalogit too

[aNskY]

maybe you are running a different version of fc-edit?

http://i4.photobucket.com/albums/y126/ansky3351/pfc.jpg

[NINJASPY]

Another vouch for Koji at drift speed. He tuned my friends fd, very through with the tune.

Did you ask Koji (guy with long hair) ?
Tuning is $150 hour, but i think diagnose is $80-$90 an hour.
You shouldn't run new power-fc, until the problem on harness is solved, you will fry it again.
Tuning typically takes 1-3hours depends on the car. Less problem with car(miss fire, unstable boost.....etc) faster they can do it.