Hey guys i just recently did a swap to my (00'EK) i put in a (95'B18C1) Using an (00'Si Harness and ECU). At first it was NOT reving pass 4K and i fixed that problem and it started running fine but today out of the blue it started sputtering when i would hit about 7K to 8K any ideas it didn't
do that b4 it would hit 8K no problem, so im stumped what can it be any clues? I need help ASAP!