While I'm waiting for my wideband to get here, I'm still trying to figure out why I'm shutting down at 5000rpm after the 181 install. The ecm acts like it shutting the down the motor similar to traction control. The "torque limiter" has been mentioned. How many have had this issue? I was tuned by Eurocharged. I've email them about the setting. Fuel pressure was checked at 62 psi idle and under load. Any more suggestions?