Compression test is needed
Boat was running fine And went to pass another boat when i hit the second wave in his wake i dropped a cylinder i thought i just fouled a plug replaced three plug lined it up with the injector as it should be but still have no cylinder i checked the spark and it's getting good spark any help would be appreciated
give a man a fish he'll eat for a day, teach a man to fish and he'll spend thousands of dollars on fishing equipment
If you have good spark, then you have a bad injector.
I know nothing about ETEC motors, but if it happened as you had a hard bump the first thing I would do is get under the cowl and check every wiring connection I could find. Especially to the injector on that cylinder. All those little wires and connectors. Though it could happen I would guess not likely the injector itself went bad from the bump.
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Charlie Weaver USN/ENC 1965-1979