excessive fuel in plenum vehicle runs rough new spider assembly what else could on 1995 Chevrolet Blazer

burns rich sparks plugs on one side very black otherside burning fine

Asked by for the 1995 Chevrolet Blazer
1 answer 2 comments
When the SPIDER was installed one or both O-rings were cut upon installation. That's one possibility. You need to address this problem before you do damage to the engine.
yes I know this but why are the spark plugs fowling out on just one side and not the other
the spark plugs are fowling out on just one side and the otherside burns just fine what else could cause the excessive gas in the plenum. It has new plugs and wires distributor and it ran fine until that was put in new the plugs and wires that is