ehall

I replaced the turbo, AOS, Iceshark kit, speed and ref harness, and sensors, stockO2 sensor, vac lines. It's running the stock barn door, 26/8 turbo and a Vitesse AFM chip, 3 bar fpr, no cat, 3" exhaust, and a head with larger intake ports.

The car starts right up, but won't hold it's idle, and doesn't run smoothly. We know we have good fuel flow, new plugs/rotor and cap. Vac is well secured. Oil pressure is maxed.

Unfortunately, my zeitronix seems to have taken a crap, so I can't give you my AFR's which would be REALLY nice!

Anyway, where to start? I replaced the stock O2 sensor, as the wires were fried all the way through. I also installed the LR speed/ref replacement wiring. Start there? If not, other ideas?

V2Rocket

is the vitesse chip tuned for the 3bar FPR?
stock injectors?

ehall

YEs and yes. Old AFM chip. Ran fine before the new work was done.

ehall

Also, this problem is at start up/idle. It doesn't run well enough to drive yet.