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Usas posted a topic in G4+Hi All, I've just finished wiring up a 1UZ into a MX83 Cressida but have run into a weird issue that I could use a hand on. The car is running a Storm ecu, K20 COP and has a R151 gearbox. I'm using the 1UZ VVTI base map with a few small things modified. The car will run but only barley at 200rpm, it won't rev at all even with the butterfly fully open. It will slowly taper off and die no matter what I do and if I block the isc with the butterfly closed the engine will die instantly. I'll start with what I've done: - Checked both injectors + coils with the test function and they're working as expected - New 255 Walbro installed and set to run constantly for now - Engine made very good compression just today which means the timing is all good - The ISC is a 2pin from purchased from NZEFI - New plugs and gapped down to recommended gap - I checked the timing offset and had to sent it to 356 in order for the car to run I found that a fuse I was using had a manufactures defect and was only passing 9V but I don't believe that would've caused any issues. Any help or things to check would be very helpful, I'm a little stuck