Ok so here's the run down I have a H/C LT1 6spd car with the delteq coil pack kit.Just recently ,out of the blue, at WOT the car dies obruptly,like stops completely and throughs a code 42 then starts mis-firing and popping,but if u turn the car off and back on it runs fine until WOT again!!Ive checked most of the threads relating to this code 42 and ive tried everything!!Ive replaced the ICM ,Opti,Opti box that comes with the Delteq,and have checked most of the wiring on the whole front of the motor and all the ignition related connectors,everything checks out fine.PLEASE HELP ME!!! Does anyone have any ideas what so ever?

Thanx!!! in advance for any help u can provide

 

Check your ICM ground. make sure it's clean.

 

Sigh....tried that.Thanx n e way though

 

Ill be be switching my PCM with my friends car tonight to see if thats the problem.Ill keep ya'll updated