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Hard spot when cranking

K

kimosammy

Contributing Member
My port engine is a 1998 454xLs TBI with 1450hrs.
Lately, when starting the Port engine, it'll crank fine but at a certain pointin the cranking cycle, it'll almost come to a stop, then resume cranking andwhen it gets that spot again, it'll almost stop....the engine will start butseems it has a miss for almost a minute and then run fine. I'm sure its notstarter but maybe a hard spot in the cranking process.

Hope that makes sense...your thoughts?
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have you pulled the plugs and spn the engine over by hand to see if the rotating assembly is free (at least two full revolutions)??
 
And when you pull the plugs check for signs of water in the cylinders. Sound like it could be a bit of hydro-lock.
 
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