Question about Boating
Try and cover the easy and cheap stuff first. Open up your electronics box first so any condensation/moisture can dry out. Moisture or condensation in the box can cause intermittent /bad running and be very hard to diagnose. I have purchased several very good, inexpensive ski's that just had moisture effecting the electronics.
Next, disassemble the carburetors. There may be enough room in your machine that you can take off the covers one at a time to check this with out having to remove the whole carburetor rack. If the diaphragm side of the carburetor with the teeter-totter needle set up can be accessed easily. Lay a clean white sheet under the carburetor rack and carefully take the tops off, clean the white corrosion out of the needles on the low corner of the carburetors and replace the needles if worn. Be careful not to stretch or alter the springs. After cleaning, carefully reassemble the carburetor tops and close the electronics box putting a thin film of grease on the o-ring. With any luck the quick corrosion clean and electronics box dry out should take care of your running issues.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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May 02, 2017 | Briggs & Stratton Briggs Stratton Intek V...
The engine control module (ECM) learns the idle position of the throttle plate to ensure the correct idle. Anytime the throttle body is cleaned or replaced, the ECM must learn the new throttle position. The idle may be unstable or a DTC may set if the throttle position is not learned.
Conditions for Running the Throttle Learn Procedure
• DTCs P0101, P0102, P0103, P0107, P0108, P0111, P0112, P0113, P0506, and P0507 are not set.
• The engine speed is between 450-4,000 RPM.
• The manifold absolute pressure (MAP) is greater than 5 kPa.
• The mass air flow (MAF) is greater than 2 g/s.
• The ignition 1 voltage is greater than 10 volts.
Important: Do NOT perform this procedure if DTCs are set. Refer to Diagnostic Trouble Code
(DTC) List - Vehicle.
1. Start and idle the engine in PARK for 3 minutes.
2. With a scan tool, monitor desired and actual RPM.
3. The ECM will start to learn the new idle cells and Desired RPM should start to decrease.
4. Ignition OFF for 60 seconds.
5. Start and idle the engine in PARK for 3 minutes.
6. After the 3 minute run time the engine should be idling normal.
Important: During the drive cycle the check engine light may come on with idle speed DTCs. If idle speed codes are set, clear codes so the ECM can continue to learn.
* If the engine idle speed has not been learned the vehicle will need to be driven at
speeds above 70 km/h (44 mph) with several decelerations and extended idles.
7. After the drive cycle, the engine should be idling normally.
* If the engine idle speed has not been learned, turn OFF the ignition for 60 seconds
and repeat step 6.
8. Once the engine speed has returned to normal, clear DTCs.
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