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my 2000 merc 60 HP began smoking a bit at idle - 10 hrs later it ran too rough to run. I switched out the plugs ( which looked like crap) but it still is smokin with a heavy blue smoke. I am thinking i need to change the fuel filter next thinking that maybe not getting enough fuel and oil injector is sending too much fuel mixing too rich?

anybody got any suggestions or had this happen

now it won't even run at idle - it will fire up and then studder out with heavy blue smoke the whole time

thanks for any suggestions

wetjet

mine(03 merc 125) started doing that the other day while i was on the water & during clean up after i found a cracked gas line around the clamp where it goes into the bulb. fixed that it ran fine the next day.

i am thinking it is something with the fuel supply

i was checking some forums on outboards and some merc owners reported problems with a sticking check valve in the fuel line.

not sure how long i am going to monkey with it before i take it in

anyone know an honest merc mechanic?

wetjet

thanks for the reply

Mike, take it to Gus, at "The Shop" just south of Orange Avenue, on Springhill Road. He knows more about a Merc than anyone else around.

finally got a call from my mechanic today - he figured out the problem and i quote:

"the problem is your engine runs on gasoline and u got diesel fuel in your tank"

ok i say - that would explain the latest problem but how do you explain the fact that it has been getting progressively worse over the past 4 months and he says and i quote:

"u have probably been puttin diesel fuel in the tank for 4 months"

"stop puttin diesel fuel in your tank and it will stop smokin"

- "u dumb azz" (implied)

now the last time i filled up i did it at the bp on thomasville road near the dunkin donut shop - i checked there today and surenuff there is a diesel handle right next to the 87 handle

i guess i could have put diesel fuel in there this past time but i do not normally fill up at that location so i am still a bit worried about the slow regression but according to my mechanic and i quote:

"your engine is runnin jest fine now and as long as you dont put no more diesel fuel in there - u are good to go cuz" " i even put in a free gallon of gas to get u goin"

no wonder everyone in wakulla county knows that everyone in tally is a dumb azz

Just folks from New Joisey.

Glad they got it working Mikey. Btw, rod repair worked great.

wet... that's seems like goin a bit far to stretch them gas dollars isn't it?

Holy krap batman, deisel in the O/B..

Not nearly as bad as gas in a diesel.

RodBow wrote:wet... that's seems like goin a bit far to stretch them gas dollars isn't it?

Apparently not far enough, since he was using highway diesel. To save money, he should have gone with off-road diesel.