3. B2106 trouble code means there's a range issue with the throttle position input in a 4WD system, caused by a damaged circuit in the 4WD system. Take it to a garage, they will fix it and it shouldn't be expensive. When it's broken or wearing out, the throttle may stick wide open, causing a potentially dangerous situation. Raymond was very knowledgeable mechanic and through in his testing. The way I see it, the cable is to open the throttle, the spring is there to close the throttle. 95 Posts . Make sure the cables are routed with no sharp bends, and the largest curves possible. Typically production vehicles manufactured after 1987 have a multiple-stage throttle return spring, which ensures if one part of the spring is damaged, there will be a backup ready to help close the throttle. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. When the spring is damaged, the throttle body will remain open until either the pedal is manually drawn back by a driver's foot or gravity takes over and helps to close the throttle. Typically the spring in the carb won't do it on its own. To check the throttle free play, hold the grip between your fingers and roll it back … When I rode her around the block a couple times the throttle felt sticky so I took it apart to analyze the situation. Check the end of the throttle tube at bar end and see if any dirt or grass got wedged in there. If it snaps back into place, it is the cable not the carbs. Try removing the bar end weight and see if the alleviates anything. Motorcycle Discussion. First, did the new throttle come with a new throttle position sensor, or are you using the old one? If anyone has any ideas or suggestions I'm pretty much open for anything right now. It should connect on the side where you'll see a few springs. Most of today's modern cars are electronically controlled, so the pedal is very easy to activate and close. YourMechanic All rights reserved. The most popular service booked by readers of this article is Fuel System Inspection. Since the throttle cables are still, for the majority of bikes, the direct link between your hand and the butterfly valves in the mixers, minimizing slop in the system will pay big dividends. Now it won't come off. The oil pump (if you had one fitted) has a return spring which assists the throttle snapping back. Press J to jump to the feed. That would just mean you need to add slack. Symptoms of a Bad or Failing Throttle Body, Symptoms of a Bad or Failing Throttle Position Sensor, Symptoms of a Bad or Failing Throttle Control Cable, B2106 OBD-II Trouble Code: Throttle Position Input Out of Range High. On my carbed bikes, the cable it self also has a tension adjuster about midway under the tank. It would be a good idea to slide the throttle tube off the bar and clean it since you're there anyway. Besides returning the throttle to the closed position, the throttle return spring also provides some strength to the throttle pedal. The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. I found an old thread from 2011 about this, but none more recent. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. If you have already taken the throttle apart to make sure the return cable is still connected, there is also an connection on the carbs assuming it isn't fuel injected. Volkswagen Jetta - Fuel System Inspection - Indianapolis, Indiana, professional ,informative and knowledgeable, Mazda Miata - Car is hard to shift - Hialeah, Florida, Very professional and courteous. As soon as you stop, call a towing company and have your car brought home; as you don't want to drive the vehicle again until it is fully inspected by a professional mechanic. Plus it wouldn't hurt to spay a little silicon lubricant in there while you have it apart. My bike blew over in a wind storm. Valve spring broken or weak Valve not seating properly (valve bent, worn, or carbon accumulation on the seating surface.) Repairs covered by 12-month/12,000-mile warranty. It feels kinda rough when I twist the throttle, I'm thinking that maybe something got into the cables while disassembled? Knocking: Carbon built up in combustion chamber Fuel poor quality or incorrect Spark plug incorrect IC igniter trouble. Put the housing back on but lost the washer so just used the nut. Throttle won't Spring Back/off! With a push/pull throttle, should the spring fail, twisting the throttle will pull the throttle linkage back … There are … Discussion Starter • #1 • 7 mo ago. Often the cables get bent or twisted and cause binding that prevents free release. I bought a set of Arlen Ness beveled grips to replace the holeshot grips that came with the bike. Explained what is wrong with car in detail and gave expert advise. Throttle Won't Snap Back. I made sure the bar was smooth and lubed, still won't snap back. On older vehicles with the mechanical throttle linkage, the throttle return spring keeps the pedal solid and very easy to control. First, put the motorcycle onto a lift so that it stands flat on the ground. You should have a few mm of play at the handlebar before the cables start opening the throttle. ... A throttle that won't snap back is like a cheap *****. Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on. I am getting ready to install mini ape hangers on my Harley-Davidson Dyna Super Glide. Without some slack, there is no play left causing the system to bind. Most of today's cars don't have issues with the throttle return springs, however, it is mechanical and can wear out over a period of time or due to added exposure to heat, oil, debris or other factors. It doesn't take much to keep the throttle from returning smoothly. Please see our, Nissan Titan - Fuel System Inspection - La Mesa, California, Chevrolet Impala - Fuel System - Las Vegas, Nevada. I would guess the throttle tube. 109 Posts . There should be a steel wire connected to it coming from the back of the engine bay. Check under your hood and look at the throttle body (it's the carburetor looking thing). It doesn’t take much drag for the throttle to not snap back. Hi everyone! The throttle cable normally lets you know it’s going bad by refusing to snap back the throttle grip when it is turned and released. Made with ♥ in Silicon Valley. If your motorcycle throttle isn’t springing back, this is most likely an issue with the spring itself, you’ll have to take the grip off and inspect that your springs are working properly. Throttle won't "snap" back - '83 VT500C ... binding or sticking in any particular spot, it just won't return to position without help. Especially if the rubber end of the grip got damaged at all. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. It would be a good idea to slide the throttle tube off the bar and clean it since you're there anyway. As indicated above, the job of the throttle return springs is to "return" the throttle to a closed position. If this happens while you are driving the first thing you don't want to do is panic. Posts: A lot. From what you've described, the two lines are coolant lines and not vacuum lines. Jump to Latest Follow ... two cables will always cause more friction than one. Nothing! Do I need to give the coil spring behind the cable plate another turn? Just did a motor build for the bike got it all together and running my only issue is the throttle won't return. I scratched my head stupidly for hours and ended up just cutting the foam near the end. Completing this step is important for viewing and safety purposes. On top of the throttle body of a fuel injected motor or carburetor is a butterfly valve, which opens when the accelerator pedal is pushed and the cable pulls it open. However, when an engine is running, it creates a vacuum which wants to draw air into the intake, making it very difficult for the throttle blades to close on their own. ... Motorcycle(s): 2010 Ninja 250 race bike, 2014 ZX-636r. How Long Does a Throttle Kicker Actuator Last? I would really like to have a clean look with all electrical inside and as few cables as possible. 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