Chevrolet: 89 chevy camaro v6 2.8l, chevy camaro, compression check

Question
why would it be running on 3cylinders

Answer
Hi Tim,There are many things to cause this problem. First you can check spark plugs,spark plug wires,distrubtor cap and rotor. If thats ok do a compression check on all six cylinders. If you need further info let me know, hope this helps you. Thanks, Keith.