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Idle Question

This topic has 4 replies, 2 voices, and was last updated 16 years, 11 months ago by Bass Cat Boats.

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June 27, 2009 at 4:04 am #445795

BC Cougar
Participant

I have a 1999 Mercury 200 efi. Last weekend the rectifier BURNT UP. Replaced it and the plugs and fuel filter and the engine idles a little low and will die in gear most of the time. Has something else gone bad due to the rectifier problem or does it need a little twist on an idle screw? Any help would be greatly appreciated.

June 27, 2009 at 6:42 am #445796

Bass Cat Boats
Keymaster

I would take it to a dealer, let them hook it up to their computer and Ill bet youll find its the TPI (Throttle pickup indicator)setting. EFI engines should never die while at idle. You cant do this without the computer. Glynn

June 27, 2009 at 9:51 pm #445797

Bass Cat Boats
Keymaster

We would look for a knowledgeable Tech for tweaking this.

June 28, 2009 at 12:00 am #445798

Bass Cat Boats
Keymaster

Thanks for the reply Nela and BCB, being an automotive tech for 27 years I believe that it is just a base idle problem.

June 28, 2009 at 5:10 am #445799

Bass Cat Boats
Keymaster

Just dont mess with the timing. BCB
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