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1999responselxlostlake

Idle, once again

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1999responselxlostlake

I have a 1999 Response LX w/ a 350 MPI Merc Cruiser. Some times when I start it it will idle high. I shut it off and restart it and most of the time it will Idle normally again. Has anyone ever experienced this? Would love to hear some feed back and possible ways to troubleshoot the problem. Any new Ideas on this problem? Remember, I don't have snakes on the Boat!!!!!!!!!!!

Thanks

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1999responselxlostlake

ANYONE????

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WakeGirl

Does it happen just on start up? Or will it happen after it's been running for a while, like after you come off of plane after a skier drops?

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Houston

MY idle mysteriously would go to 1100 rpm, then sometimes drop back to 500 when I shifted in and out of drive. I adjusted the throttle cable at the throttle plate and cured it. Now 500 - 600 everytime, solid as a rock.

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Killer

I find mine will be high like that after a fast run, coming off plane... any thoughts?

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68Slalom

I would start looking for a vacuum leak! It is very common for that to cause the PCM to try and adjust for running lean, you can try using propane. While the engine is running spray it around the throttle body and intake manifold.

Good Luck

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Surfin247
I have a 1999 Response LX w/ a 350 MPI Merc Cruiser. Some times when I start it it will idle high. I shut it off and restart it and most of the time it will Idle normally again. Has anyone ever experienced this? Would love to hear some feed back and possible ways to troubleshoot the problem. Any new Ideas on this problem? Remember, I don't have snakes on the Boat!!!!!!!!!!!

Thanks

Since it's a Mercruiser. SkiDim won't have many parts, but Marinepartsexpress will. They helped me with my Mercruiser 350 Magnum Ski in my Echelon. They have complete engine schematics for all Mercruiser engines. It is great for determining the parts you'll need and how everthing goes together. Give them a call.MarinePartsExpress.com. Edited by Surfin247

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