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57 crusader MPI

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paul johns

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"i am experiencing a condition

"i am experiencing a condition with a 2004 crusader where I am discharging unburned fuel out the exhaust. I have replaced the thermostat, and the MAP sensor. It was carboning up in excess last year and I used a decarboning product, seemed to help but now excess fuel in exhaust and pushing some to crankcase and causing low oil pressure, I am a commercial troller so I have extended periods of low idle (6-9 hours per day - please advise"
 
"Are you sure it is fuel and n

"Are you sure it is fuel and not oil? I would recommend a leak down test. Also, how is the performance of the engine? It could be as simple as a fouled spark plug, but then it could be a burnt valve or a stuck ring."
 
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