I'm putting a 1996 chevy 5.3 throttle body into a 1986 chevy k1500. Everything is mounted and installed. wiring harness is ran and everything. I have fuel to injectors, injector pulse is good, spark is good, compression is good, everything is hooked up that should allow the engine to fire. My issue is I have crank but no start. I'm wondering if anyone can tell me what sensors if any will cause the crank no start on the 5.3. Thanks.