navazsc3

iTrader: (3)

I have a 2jzge with a metal head gasket and arp head studs. I currently do not have a tach hooked up but I'm getting a constant misfire and in the high rpm range I'm getting spark cut. Has anybody had this problem before? The only thing I can think of is that a fuel injector(s) is not working 100% and the ecu is cutting spark to prevent detonation. Has anybody else had this problem?

Any suggestions?

I've tried 3 ecus, new plugs and wires, different distributor, fpr.