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i'll try to make it short. i know i dont have a civic (i have a 2000 accord V6 coupe for ref.) but i have the same problem as many users where the engine bogs (fuel cutoff?) @ ~3500 rpms. i dont have any mods except a SRI from Discount Auto (quit laughing) and my new V-AFC 2. If I turn the car on and floor it (in drive) everything works fine; it only does it when I slowly build up to 3500... any suggestions?

 
Rep Power: 813

do you have the VTM wire connected?

 
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the wiring diagram doesnt list a vtm wire for my ecu...

 
Rep Power: 813

but if your car has vtec, then that wire must be connected or the engine light will come on. seems like they messed up the accord too. the tdc and vtm wires were not listed for our civics, yet without them connected, the car will throw a code. If you don't have vtec, then you shouldn't have bought the vafcII. there is an safcII for non-vtec cars.

 
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so i have lt blue, orange, and a blue wire left to hook up? how do i figure out which ones the vtm wire...

 
Rep Power: 813

doesn't the apexi manual say? then you can ask to look at the electrical manual or something at honda to find which wire it is on the ecu.

 
Rep Power: 813

apexi says the blue wire is the vtm wire coming from the vafcII

 
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i meant which one is the vtm wire on the ecu

 
Rep Power: 813

that i don't know. you gotta check the electrical service manual. like i said the dealer is usually nice about letting you look at it for a bit at the desk.

 
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Thanks, I went to the dearship my dad works @ and asked for an electronic service manual and they let me look at it for as long as I wanted. I found out Accords DO have a VTM wire just like civics and with it hooked up the V-AFC 2 works just fine. One problem solved, now where the hell can I find a dyno tuning shop around here...

 
Rep Power: 813

glad it worked out

 
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what does the safcII do?

 
Rep Power: 813

same as vafcII but without the vtec control. just fuel curves and engine monitoring.

 
Rep Power: 0

so it's not really worth getting right?

 
Rep Power: 813

i'm selling mine cause with I/H/E pnp cam gear i didn't even need it. the ecu does a pretty good job adjusting closed loop fuel below wot +/- 20%. only thing the controler is good for tuning is wot a/f and even then it doesn't do much.