I have the same issue with a 2001 challenger mercruiser. I found that the oil pump was off alignment so had it adjusted. The smoke at idle was basically gone but still present on throttle. We then tested the TPS and it wasnt getting the proper voltage. I am currently waiting for the part to...
The same thing happened to my 240 efi. I don't know if I just got lucky but after maybe 5-10 times turning the key with the blower on, I decided to open the engine compartment. Lone and behold it started up first try with the compartment open. I don't know if there is a sensor that would have...
Took my 2001 seadoo challenger out today.. started up fine ran fine for about 40mins. I stopped for a swim and turned it off for about 30mins. Tried to restart with the blower briefly on but it wouldn't start. New plugs and new battery. Gas was stabilized over the winter plus I topped up with...