[harmankardon35]

from what i understand, the security system just shuts off the injectors, and not the fuel flow/pump. Is this correct? I got no pressure at the fuel rail and i took the line off the filter and turned the key on, i heard the fuel pump but no fuel squirted out after several tries. I had 1/4 tank of gas but because of the gas gauge problems gm's often have i decided to throw 10 bucks worth of gas in a can and put it in...still no change. I did spray some electronic cleaner in the ignition too...