had time 2 work on 87 2.3 replaced 2 injectors (used that i knew where good) no change unhooked the wires on ingit. mod, it sounded all right to me, but im just above average "shade tree". going 2 borrow scew in comp. tester tommorrow thanks for everybodys input i have a lot of parts to start changing out will get back after all cyl has been checked