SRT

i just got my turbo going and i notice that it cuts fout at 4500 rpm or 5000 rpm in 3 and 4 gear. what can be wrong

Rotortuner

Use the search function, there is a ton of stuff out there on that.

CJG

KompressorLOgic

iTrader: (6)

how high is your boost when it cuts out?? does it hit a wall?? or just have hesitations?? is your tps set right??

SRT

The Boost Is Like 8 Or 10 When It Hits The Rpms It Cuts Off

KompressorLOgic

iTrader: (6)

now do you have a fuel cut defencer??? on an FC with stock ecu there is a fuel cut at about 8.6 psi if you dont have something to get rid of this u better do get somthing!!! as hitting fuel cut too often can blow the motor!!!

also what mods do you have done to the car, and what fuel mods??

SRT

i dont have one it has a 255 fuel pump 3" exhust air filter

gambone

iTrader: (3)

The RPM is to low for the PCM to be kicking in and cutting out the fuel, I would all most think there is a igntion proble if is a full cut out like some one turnning off the key, when the 929 came out, it had a fuel cut and it was kind of neat to go on test drives with a wide open throttle and feel this boance back and forth, on an off, also seen lots of bad plug wires arking, they get wet under that caseing and stay wet, cabin tracks all over would be found when the caseing was removed

Crazyt

I'll bet $50 it's the boost fuel cut. Get a FCD or a Rtek or something. Fuel cut causes a lean condition. That's why k.logic says it will blow a motor, and it will. I don't think the fuel cut is RPM related.

WallyHojo

Hrm, try looking into buying a fcd. If you have a s4, buy the rtek 1.5 unless you have bigger injectors "720's" that will work with the 1.7.

I'm trying to rem. my problems. When my car gerked around, i knew i needed an fcd. After i bought the 1.5 rtek, everything was fine.

damn, crazyt beat me to it

eriksseven

iTrader: (6)

YOu need an FCD....

Hey, SRT, where in Seattle are you?