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2001 Suzuki DF70 Rough Idle

robbyjones

New member

I have a 2001 Suzuki DF70 that idles really rough. I recently purchased the boat and engine, with the previous owner mainly letting it sit out of the water. As seen in the video, the engine idles rough and seems to pulsate. When I first turned over the engine the pulsating was much slower rhythmically. After replacing the spark plugs, adding new gas, and adding injector cleaning fluid to the tank, the idle slowly over time became much faster and less rhythmic. I've checked the oil and it seems all right. With the large quantity of white smoke, I'm assuming it might be a fuel problem but I really don't know. My best guess is that there might be a problem with the fuel injectors. Whether that be they're clogged or broken, I have no idea. I also think it could be an issue with the throttle, as the engine revs extremely high if you put it into gear. Any suggestions and tips would be much appreciated. Thank You.
 
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