2003 rincon 650 code 11 wont throttle up - Honda Rincon Forum : RinconRiders Honda Rincon Forums
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post #1 of 9 (permalink) Old 09-15-2019, 12:41 PM Thread Starter
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Question 2003 rincon 650 code 11 wont throttle up

My 650 will not rev up past 1500 rpms and im getting a code 11. I have replaced the TPS, instrument cluster and still nothing. Does anyone have an idea what my problem could be or had this problem before i need a quick resolution if there is one. Thanks for the help.
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post #2 of 9 (permalink) Old 09-15-2019, 01:13 PM
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It could possibly the diaphragm on top of the throttle slide.

2005 Green Rincon, Dynotek Ignition, Dynotek HP Coil, HMF Utility Exhaust, K&N Air Filter with Outerwear, DynoJet Spring and Needle, Keihin Jets 162 Main, 52 Pilot ,TPI Valves, 2500 Super Winch, Warn Front Bumper, ATV-GURU Rear Bumper, HighLifter Front Springs, A\P Belly Plate\w front and rear Stick Gaurds, ITP Wheels, Bighorn 25 inch Tires, AIPP Headlight Bulbs, Temp Gauge, Modified A\F Screw, Tiny Tach, Rear Hitch, ATV Guru Front Tow Hook, Stainless Steel 17-4 Tie Rods
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post #3 of 9 (permalink) Old 09-15-2019, 01:51 PM
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Unfortunately swapping parts may not resolve the issue. On page 24-34 there are a slew of confirmation checks you can do to rule out each component. The TPS needs to be calibrated if replaced. (also in your service manual)

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post #4 of 9 (permalink) Old 09-16-2019, 12:41 PM
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I have had to replace a dozen of throttle slides on this type of carb. I am not saying to just replace it but to check it. It is not a big deal to pull the slide out and check it for holes or leaks in the top of the Diaphragm.

2005 Green Rincon, Dynotek Ignition, Dynotek HP Coil, HMF Utility Exhaust, K&N Air Filter with Outerwear, DynoJet Spring and Needle, Keihin Jets 162 Main, 52 Pilot ,TPI Valves, 2500 Super Winch, Warn Front Bumper, ATV-GURU Rear Bumper, HighLifter Front Springs, A\P Belly Plate\w front and rear Stick Gaurds, ITP Wheels, Bighorn 25 inch Tires, AIPP Headlight Bulbs, Temp Gauge, Modified A\F Screw, Tiny Tach, Rear Hitch, ATV Guru Front Tow Hook, Stainless Steel 17-4 Tie Rods
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post #5 of 9 (permalink) Old 09-17-2019, 07:25 AM
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Code 11 Throttle position sensor or related harness. The procedure to calibrate it is in your manual.

03 Green Rincon
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post #6 of 9 (permalink) Old 09-18-2019, 12:32 PM
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All true. However as you stated it could be the harness, the connector or calibrating the new sensor he installed. Or it could be the throttle slide is not responding and the system is reporting that. I hate just reacting to a code and replacing parts as you seem to agree with. As with any ECM code it is reporting a problem with that system. It could be anywhere in the system. I am just saying to check the easy stuff first before replacing parts. You get a check engine light come on in your car. You take it to Autozone and they read the code for free. The code says it is the O2 Sensor. Autozone sells you a new Sensor. You replace it and the code is still there. It could be the wire harness, a dirty connector, a burnt wire or it could be the fuel injection system is dirty and running rich. Just saying my opinion with some knowledge.

2005 Green Rincon, Dynotek Ignition, Dynotek HP Coil, HMF Utility Exhaust, K&N Air Filter with Outerwear, DynoJet Spring and Needle, Keihin Jets 162 Main, 52 Pilot ,TPI Valves, 2500 Super Winch, Warn Front Bumper, ATV-GURU Rear Bumper, HighLifter Front Springs, A\P Belly Plate\w front and rear Stick Gaurds, ITP Wheels, Bighorn 25 inch Tires, AIPP Headlight Bulbs, Temp Gauge, Modified A\F Screw, Tiny Tach, Rear Hitch, ATV Guru Front Tow Hook, Stainless Steel 17-4 Tie Rods
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post #7 of 9 (permalink) Old 09-18-2019, 07:23 PM
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Would you want to sell your old instrument cluster?
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post #8 of 9 (permalink) Old 09-26-2019, 09:01 AM
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Harley Dog was spot on. Checked the throttle slide on diaphragm and sure enough it was half way on. Reseated the rubber gasket (I assume that’s what it is), adjusted TPS to 500 ohms on A and B pins (on sensor side) RESET TPS sensor in accordance with maintenance manual, and boom! Fixed this very problem. And trust me, I did everything by the book for troubleshooting code 11. Even bought the stupid special wire harness tool it recommended. And none of that worked exactly as Harley Dog described. Thanks for the info and helping me save time and money by not throwing needless parts at it.
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post #9 of 9 (permalink) Old 09-26-2019, 11:14 AM
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Your more than welcome. As I said I have run into that before. Just check the simple stuff first. I'm glad I could help.

2005 Green Rincon, Dynotek Ignition, Dynotek HP Coil, HMF Utility Exhaust, K&N Air Filter with Outerwear, DynoJet Spring and Needle, Keihin Jets 162 Main, 52 Pilot ,TPI Valves, 2500 Super Winch, Warn Front Bumper, ATV-GURU Rear Bumper, HighLifter Front Springs, A\P Belly Plate\w front and rear Stick Gaurds, ITP Wheels, Bighorn 25 inch Tires, AIPP Headlight Bulbs, Temp Gauge, Modified A\F Screw, Tiny Tach, Rear Hitch, ATV Guru Front Tow Hook, Stainless Steel 17-4 Tie Rods
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