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Stva c28 code?
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Stva c28 code?
2007 GXSR600 C28 FI code after Bazzaz Fi Installed I checked the STVA with a multimeter, it gave me the right readings (I have the manuel for the bike). C28 tells you what system has the problem, not the specific component in the system. Apr 21, 2014 · Bike suddenly threw code C28. It's got some really good power once it moves off the line. However, the screws are unscrewable, requiring an easy-out drilling extractor. ACF50 is a useful anti corrosion lubricant. -Removed throttle bodies and stva and checked all connectors for security. The STVA simply won't move, the valves remain in whatever position they're in and the motor doesn't even try to move them. The STVA motor doesn't make any noises, nothing happens (as if no power is going to the motor). Insert it only enough to turn the STVA and turn it fully clockwise. on Ebay TYPE : STVA Secondary Throttle Valve Accuator on the search some range from $179 - $40. I checked the local dealers and they tell me I have to buy the entire Throttle body assembly. I immediately turned back around to find out what the hell is going on. Also tie long leads/pipes out of the way - it also stops them dropping down when reinstalling the throttle bodies Remove two connectors and small pipe at rear. Popped a code on my way home a couple days ago. If the valves close, proceed to step 5. Impossible de savoir d'où ça vient sans faire une manip qui te permet de connaître le code numérique de l'erreur. One of the best ways to do so is by using Dixxon coupon co. turn on ignition stva tries to cycle again but 2nd butterflies stay stuck open. If you simply unplug the whole stepper motor or cut any of its 4 wires to the motor, it will trigger this fault. ACF50 is a useful anti corrosion lubricant. The C28 can be caused by the STVA, a physical jam of the secondaries, a faulty STPS, a poor connection between a component and the harness, the harness itself, or even the ECU. A faulty STVA won't cause the issue you're seeing. there is a plug under your seat with 2 wires that you need to short out. The motor may be OK, but the sensor may be giving the wrong position. Usually on the 06-07 bikes, the C28 code is caused by an ECU fault. … 1 Section 33. After riding for 40 mins, my FI light would come on. Has anyone ever run into the issue where despite the bike throwing the C28 STVA code, everything the service manual calls out is in spec but the code is still popping up? The valves themselves are actuating in their full range, and all the resistance specs in the service manual for the STVA itself are correct when checked with a Fluke DTC No. 2) Use a small flat screwdriver. Learn about lock pick guns and the uses and ethics of loc. Use code PTMSquare for 20% off your first hardware purchase. Jan 9, 2018 · Just Type STVA. Also check your STPS resistance. My bike is throwing a c28 code with is the stva my bike won't rev past 6k rpm's I think it's the motor that's messed up please help me if you have a fix. The STVA repair is easy and doesn't take any special tools or a lot of time. Mar 13, 2014 · DL650K6 c28 code has a warning against moving the STVA any other way than turning the nut. Hey all, I've got a k2 600 throwing a c28 code (stva) as the title states, it also momentarily loses power for a fraction of a second at high rpm then I'm able to return to my normal squid activities. My theory is that with the known regulator/rectifier … A C28 usually means the secondaries are sticking. But couldn’t get the line to move back to center or even to the top. Are you ready to dive into the exciting world of coding? Whether you’re a complete beginner or just looking to expand your skillset, learning how to code can open up a world of opp. You cannot buy a STVA, it comes as part of the throttle body assembly (very expensive). Gsxr Secondary Throttle Valve Actuator (STVA) - temporary quick fix Okay i have a 04 gsxr 600, When i bought it the FI and the red light where ON already on the dash. ok I'll go with the ebay special about 45 dollars. 1 (1) A person who, by reason of … Flashing a new software with the C28 error code removed might work, and then you could pull the blades and get it tuned. Jun 22, 2010 · 15420 posts · Joined 2006 C29 - secondary throttle position sensor. The throttle body is used but it just seems unlikely that it contains the same issue that I was trying to eliminate. The bike also cuts power around 8000rpm in 2nd and in other gears, guessing the STVA. i just knew after i buy the bike. If you haven't already migrated your projects to another service, now's. The STVA simply won't move, the valves remain in whatever position they're in and the motor doesn't even try to move them. ACF50 is a useful anti corrosion lubricant. Jan 16, 2016 · Proof that the STVA eliminator actually works. I shot out the harness at the STVA to the ECM harness and got continuity and no. how to fix code c28. This is what give you your initial idle of 2400-2600rpm and then settles into a normal idle of 1200 or so. STVA gasket - 13673-39F10. Basically all new parts for about $275. STVA, lead wire / coupler connection. You cannot buy a STVA, it comes as part of the throttle body assembly (very expensive). I tried taking the stva out by taking the airbox out but i cannot reach the screws to take it out since it right behind the frame. Whip out the screwdriver and remove the two screws that hold them on. Secondary Throttle Valve Actuator which I understand is a common problem. Do all four then you can bolt everything back up ride. The STVA in the k6/k7 is superior the the k4/k5 models that were prone to failure. After pulling things apart, I saw that the butterflies was closed which explains why I … The main reason to test is because the more recent C28 codes on the k6-7 bikes have been caused by the ECU. I checked resistance of the wire from the ECU and that was fine. I tested the wires for the STVA motor and they seem fine. The revolution we've all been waiting for hasn't yet arrived. In other words, it could be something that triggers the actuator to code the c28 and it might be the GPsensor say if it's track, never mind the STVA and use it as it is, if you use in on the road you need the secondary valves working and you have to find out what has been done to get rid of the C28 FI code. Hi everyone, Had a problem on my display after washing my 2004 GSXR 600 C28 - SECONDARY THROTTLE VALVE ACTUATOR. I took it off and installed it correctly. It's all or nothing with the STVA. The STVA motor doesn't make any noises, nothing happens (as if no power is going to the motor). If the stva stuck in close position, it will run bad. The bike gave the FI code with _C28 in dealer mode (so I presume the ECU is original, it certainly looks so). The bike instantly revved much cleaner and started much easier as well with the new STVA, so I'm thinking once I get a handle on the C40 (ISC valve) I should be good to go. 1 2. -Installed another STVA I had laying around from my old engine. The STPS is code C29 if it's missing, but they can fail in such a way that the data sent back to the ECU is bad. I recommend that anyone who gets the C28 code try this repair first before spending Major amounts of money at the dealer buying a new throttle body ($90000). 1 (1) A person who, by reason of … Flashing a new software with the C28 error code removed might work, and then you could pull the blades and get it tuned. this is going to show you how to get to the STVA and remove it. After riding for 40 mins, my FI light would come on. 1978 Yamaha 750E (Good Memories), 1996 Honda ST1100 ABS/TCS (Sold), 2004 Yamaha FJR1300 (Sold), 2010 Honda SH150 Urban Assault Vehicle (Sold), 2012 Suzuki DL650 (Sold), CODE C28 ( STVA SUZUKI GSX 600 ERROR )if you have suzuki gsx 600 or suzuki 750 and get some code at your spido, is turning red on. 15420 posts · Joined 2006 Only way to get rid of those two codes is to fix the SDTV system. alachua county inmate search The C28 code on that year bike is a well known fault and the repair is well understood. par papy SRAD » mer Salut, le problème des papillons secondaire est une panne récurrente sur les GSXR. The Keihin units are a much better design. Insert it only enough to turn the STVA and turn it fully clockwise. Jun 6, 2014 · Just got an SV1000, which runs OK but the FI light is always on and when in dealer mode it shows the c28 fault code. However, the screws are unscrewable, requiring an easy-out drilling extractor. Gsxr Secondary Throttle Valve Actuator (STVA) - temporary quick fix Okay i have a 04 gsxr 600, When i bought it the FI and the red light where ON already on the dash. I would bet that if they did, that they would ask a small fortune for it (possibly why they just include it with the throttle body). I recommend that anyone who gets the C28 code try this repair first before spending Major amounts of money at the dealer buying a new throttle body ($90000). Tech and performance chat. C29 means the ECU detects the STVA circuits, but they aren't moving as the ECU thinks they are. put stva on bracket and installed on engine with the cables adjusted 5. If you are still getting the code, the ECM still thinks it has a problem as it generates a new code and sends it to the cluster each time the fault happens. Main symptoms are no power when accelerating between 2k and 3k RPM then BAM, boost of power after 3k. deadrise diagram Has anyone ever run into the issue where despite the bike throwing the C28 STVA code, everything the service manual calls out is in spec but the code is still popping up? The valves themselves are actuating in their full range, and all the resistance specs in the service manual for the STVA itself are correct when checked with a Fluke DTC No. First, test the STVA. It helps get rid of that momentary flat spot. Hey everyone this would be my first post to the site but have always read stuff on it. This is important because the STVA will activate fast idle and make that mark read high on a properly adjusted primary sensor. 3) Turn the secondary plates to the fully closed … After putting the bike in dealer mode the results was -C28 and if I am correct that should be a STVA failure. STVA and -C28 error codes k4-k7 600/750. C28 is an STVA error c28 -c28 suzuki STVA secondary throttle valve actuator repair error code. The STVA is not a serviceable part, so we'd probably be looking at a new throttle body for about $700 plus labor to fix the performance problem and extinguish the FI light The Code C28 problem is RESOLVED! The Suzuki diagnostic procedure indicated, "Replace the ECM with a known good one, and inspect it again. STVA and -C28 error codes k4-k7 600/750. Suzuki GSX-R 1000 Service Manual: DTC "c28" (p1655): secondary throttle valve actuator (stva) malfunction. I also tried disconnecting the STVA sensor and it opens then closes the flaps but still grinds a little. Cracked the STVA open to check the connections on. K8 600 Code C28 STVA and drive mode selector. Do a search for more details just type in c28. You cannot buy a STVA, it comes as part of the throttle body assembly (very expensive). I adjusted the TPS but the FI light kept coming on. Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows. Hey all. Total for the repair is $50 walk in clients from chicago are welcome or mail. I think i am not putting the spring loaded sensor on the right way Remove the STVA. baba ijebu 2 sure peoples Now, the stva still actuated the secondary tb, but the fi is lit, the c28 code is present, and the bike bogs at higher rpms, and even still occasionally at lower rpms Well, I dont know for sure. HELP C28 Code STVA! k4600. A redemption code is a special code found on a product that gives the buyer certain access to the product, such as when purchasing software or online academic products If you are involved in international trade, you have likely come across the term “customs tariff code. The only thing you need to be aware of is your setup's accuracy. Jump to Latest Follow M109R Shop Talk. If the - Answered by a verified Motorcycle Mechanic I need to narrow the probelm down as the STVA and STPS are not available individually but only with the throttle body to the tune of $500 and the ECM @ $400. STVA C28 « previous next. Expert Advice On Impr. In case you're wondering, yes, I am TheGeek. I didn't quite make it to 17,000 miles on the 2012 DL650A. Aug 16, 2023 · trying to rid the c28 code, so im checking the stva. While i was riding it home, it started acting bad, i gone through 1-3 gear fine, but once i get too 4-6 gear its starts to act terrible. Jan 21, 2010 · Remove your airbox then you will see in the little circular blades or something resembling a valve. If the - Answered by a verified Motorcycle Mechanic I need to narrow the probelm down as the STVA and STPS are not available individually but only with the throttle body to the tune of $500 and the ECM @ $400. If your STVA is stuck open the bike should be in perpetual fast idle, unless, like mine, that mechanism has been defeated the fault code is a C28, but like i said I already knew the stva was broken Like 0 Reply peter079 Yes have 2006 gsxr 600 it flashs F1 will not crank. Nonetheless turns out my stva tested good and my problem was an improper install of a power commander! He was able to help me diagnose my problem via message! His customer service and hustle is unmatched, Thank you.
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When I flipped the ignition switch the flaps stay close and just sounds like its grinding and wants to go forwards. Remove air box lower. With so many options available, it can be difficult to decide which code is best f. The code is not retained in the ECU when the key is off. Secondary Throttle Valve Actuator. Part-Time Money® Make extra money in you. What you can do is unplug the STVA … Suzuki GSXR C28 Code Fixhow to fix a engine STVA light code on GSXR 600 ,almost every gsxrFOLLOW ME ON SOCAIL … I’ve got a 2006 GSXR that recently threw a C28 code for the STVA (secondary throttle valve actuator)… I bought another set of throttle bodies and it still threw the code. A faulty STVA won't cause the issue you're seeing. HELP C28 Code STVA! k4600. Now for some Canadian beer:>) about a week after i got it i started getting the red FI light coming on during accelaration so i put the bike in dealer mode and im getting the "-C28" code with the dash in the middle position which points to the secondary throttle valve actuator (STVA) today when i took the bike out i couldnt rev past 8000 RPM while moving but while standing. -C28 Code Help. If you look in the gap under the tank on the right side of the engine, you will see the STVA and the STPS mounted to it. You can tell when it gives the code, there is a floating bar next to it, you want the bar to adjust to the middle while showing C00 therefor you know the TPS is in correct adjustment My stva as always been 'loud' comapred to say my wifes 1k and. 1 of the Criminal Code and the heading before it are replaced by the following: Self-induced Extreme Intoxication 33. Light Smoke Zero Gravity DB Windscreen, Luimoto seat covers, 06 1000 Ti headers, STVA and PAIR deletes, PC5, Speedo Healer, Servo Buddy, TRE, APE Manual CCT, Race Tech We may earn a commission for products purchased through links on this page Mitch had problems with the STVA but it set off a C28 code. turn on ignition stva tries to cycle again but 2nd butterflies stay stuck open. This causes people to connect the powercommander to the wrong. 2 for the resistance between the 2 sets of pins or whatever. When airbox off, first do a check all around the throttle bodies for anything that may be interfering with the secondary linkage (the one on top). This mechanism consists of a second butterfly in each throttle body under the control of the ECU not primary throttle. Some look the same as STOCK but dont have Wire!! you want the ONE with the Wire Connector. Suzuki GSX-R 1000 Service Manual: DTC "c28" (p1655): secondary throttle valve actuator (stva) malfunction. Usually at the ECM main connector. Loose connections are sometimes the cause, but the most difficult to find. When it comes to coding platforms, LeetCode is often mentioned as one of the top choices for programmers and coding enthusiasts. vore morphs 5287 posts · Joined 2013 The C28 code can be caused by a few things, from the stepper motor failing, the secondary thottle plates sticking, the butterfly link worn / dry, throttle boot clamps causing fault, STV sensor adjustment, STVS connector loose, etc. That cam is what actuates the fast idle system. 2000 GSXR 750 w/ 04 1k engine. Or it's unplugged / wiring issue. turn on ignition stva tries to cycle again but 2nd butterflies stay stuck open. After some disassembly I found that the secondary throttle valves were not cycling as the manual indicated they should Chk'd the ECT, replaced the STVA, have not chk'd the IAT's yet I do have a multi-meter and I made a mode switch (not a paper clip) Thanks for the link for a tach, I do need. 6 stva cycles 2nd butterflys then jams open, now i have a FI light with -c28 code 7. From what I found, this problem often turns out to be a broken solder joint inside the STVA. Discussion starter · #152 · Sep 6, 2017. If you are still getting the code, the ECM still thinks it has a problem as it generates a new code and sends it to the cluster each time the fault happens. I also tried disconnecting the STVA sensor and it opens then closes the flaps but still grinds a little. Jan 21, 2010 · Remove your airbox then you will see in the little circular blades or something resembling a valve. Learn why the Code of Hammurabi explains "an eye for an eye. Light Smoke Zero Gravity DB Windscreen, Luimoto seat covers, 06 1000 Ti headers, STVA and PAIR deletes, PC5, Speedo Healer, Servo Buddy, TRE, APE Manual CCT, Race Tech We may earn a commission for products purchased through links on this page Mitch had problems with the STVA but it set off a C28 code. Quick Response codes or QR codes are a great. YESSIR ----- YOU SUCK. After riding for 40 mins, my FI light would come on. -Installed another STVA I had laying around from my old engine. Hey all, I've got a k2 600 throwing a c28 code (stva) as the title states, it also momentarily loses power for a fraction of a second at high rpm then I'm able to return to my normal squid activities. … 1) remove the STVA. shih tzu rescue austin … The problem could be a bad ECU, a bad connection between the ECU and the STVA, or a faulty STVA itself. Popped a code on my way home a couple days ago. A C28 usually means the secondaries are sticking. Learn about ZIP codes and find out why ZIP codes were created Learn the building code for sistering joists and why it's important for your construction project. I just got ahold of another throttle bodies because of a bad stva and missing secondary butterflies on the bike I just bought. Also tie long leads/pipes out of the way - it also stops them dropping down when reinstalling the throttle bodies Remove two connectors and small pipe at rear. STVA gasket - 13673-39F10. Usually at the ECM main connector. put stva on bracket and installed on engine with the cables adjusted 5. Got the code and now my bike won't even go past 6k at any throttle position But when I check for shorts from the ecu connector to the harness stva plug I'm not. i just knew after i buy the bike. Jul 17, 2007 · The STVA is located on the right side of the throttle body housing. C28 and C29 Error codes. If you’re ready to try your hand at coding, you’re in luck, because there is no shortage of online classes and resources available. Please consider creating a new thread. C28 code STVA. Use code PTMSquare for 20% off your first hardware purchase. I had the same c28 code reoccurring occasionally and irregularly. breaking news lincolnton nc In other words, it could be something that triggers the actuator to code the c28 and it might be the GPsensor say if it's track, never mind the STVA and use it as it is, if you use in on the road you need the secondary valves working and you have to find out what has been done to get rid of the C28 FI code. I’ve got a 2006 GSXR that recently threw a C28 code for the STVA (secondary throttle valve actuator)… I bought another set of throttle bodies and it still threw the code. Nov 18, 2014 · - C28 code (STVA - no signal from ECM/signal not reaching ECM/operationvoltage not reading STVA) - Opened up bike, throttle valves get to 1/3-1/2 open and shudder before coming to a rest (should cycle fully open when key turned to 'on') - Replaced STVA, TPS and STPS with known working parts from K6/K7 GSXR 600 Jun 6, 2020 · Salut , aujourd'hui j'ai de gros accoup sur le gsxr vers 5000tr/min apres verification sur la prise diagnostique ,il s'agit du code C28 ,ce sont donc les pap. Jan 9, 2018 · Just Type STVA. If there's no value, or open circuit on the sensor power circuit, you get C29. stva powered up and works 4. Nov 18, 2023 · Yes I have the c28 code it hasn’t went away. @Chuckster is the guru on these. In order to test the actuator the airbox has to come off. Nov 14, 2009 · This time I have my spare key so I leave it running, pop the seat and jumper for dealer mode again. I am using a paper clip to bridge the connection on the TO sensor. kwaka10r said: That won't be straightforward as the ECM will show a fault code and limit the power output of the motor. I just kicked out money fixing the rectifier and starter and … C28 Fuel Injection code will not prevent the starter from cranking the engine. 26 HP Coupon verified today for HP laptops, printers, HP Instant Ink, desktops, and more. 4) Check the continuity between terminal 19 and ground. le problème vient qu'en roulant, avec les vibrations, il y a un circuit imprimé souple dans le moteur ( que l'on appelle un flex ) qui "casse" ( circuit entre le moteur et le connecteur. Jun 5, 2014 · Tech and performance chat.
i called suzuki they told it would be the stva and we checked it but found nothing wrong Show. As an update. Posted by u/DowntownDarius - 1 vote and no comments M109R Shop Talk. As long as you do the regular maintenace ie. I have 2000 gixxer 750 ,had the dreaded c28 code ,disconnected the stva and fitted a servo buddy and hey presto no warning lights and bikes running great. While the change was necessary to improve accuracy and specificity in medica. put stva on bracket and installed on engine with the cables adjusted 5. The C29 code (STPS) is only tripped on 2 conditions, high or low voltage. 15420 posts · Joined 2006 The fact it's happening when you put it in neutral might just be an unlucky coincidence. sargent ec700 control panel I checked the local dealers and they tell me I have to buy the entire Throttle body assembly. When I flip the killswitch on the bike will power up but the STVA. STVA can not operate. To help with reassembly I generally mark connectors with a code as I go. crosshair da hood Learn the Tools, Tips and Tricks to permanently fix the notorious C28 code associated with the Secondary Throttle Valve Actuator (STVA) May 3, 2010 · Problem with bike (STVA - C28 Code) Jump to Latest Follow 48K views 21 replies 8 participants last post by Deeznutz860 May 5, 2021 Mar 2, 2012 · C28 stva Alright so I have this exact problem on 06 gsxr-1000. Got the sensor off and the 2 screws of the stva, but-the stva is retained on the valve shaft-end internally by a piece of plastic. Yes unfortunately C28 code is the STVA. Or it's unplugged / wiring issue. The secondary throttle shaft has a cam at the opposite end of the STVA. I removed my stva trying to chase down a problem and removed the stps before reading that I shouldn't. If you look in the gap under the tank on the right side of the engine, you will see the STVA and the STPS mounted to it. So I got the c28 code on my 2004 GSXR, after fixing my fuel system. railroad yellow sign The C28 code on that year bike is a well known fault and the repair is well understood. When airbox off, first do a check all around the throttle bodies for anything that may be interfering with the secondary linkage (the one on top). I took it off and installed it correctly. 3) Turn the secondary plates to the fully closed position and reinstall. Google is shutting down Google Code, their hosting service for open source projects and coding initiatives. Sort by Oldest first. 6 stva cycles 2nd butterflys then jams open, now i have a FI light with -c28 code 7. In order to test the actuator the airbox has to come off.
For example, you can’t even call your next door neighbor’s landline without using an area code, and you certainly can’t call mo. Google is shutting down Google Code, their hosting service for open source projects and coding initiatives. Jul 25, 2011 · 1) remove the STVA. STVA and -C28 error codes k4-k7 600/750. stva powered up and works 4. 2012 DL650A outlasted me. Hey guys. After riding for 40 mins, my FI light would come on. Jump to Latest Follow 76 views 1 reply 2. If you look in the gap under the tank on the right side of the engine, you will see the STVA and the STPS mounted to it. The C28 code alot of times is from a bad sensor, or the unit is out of adjustment from the TPS. If you look in the gap under the tank on the right side of the engine, you will see the STVA and the STPS mounted to it. What you can do is unplug the STVA and turn the secondaries closed by hand. poop smells metallic but no blood If you want to teach your kid how to code, there’s certainly no shortage of apps, iPad-connected toys, motorized kits and programmable pets that you can buy for your future Google. Coding Bootcamps vs. All that is displayed on the dash is the red FI light and "CHEC". As for the symptoms and specifics Ill let some one with experience with them help you. The motor may be OK, but the sensor may be giving the wrong position. I found just about every single mod except the c28 FI code bypass on my 00 750 gixer. Ugh, stupid STVA, but thats exactly what it sounds like. First, test the STVA. While enjoying my day off with my bike headed to Connecticut I stared down to see the red light lit on my cluster. Step 2 1) Turn the ignition switch OFF. c28 code (STVA) fix 07 GSXR 750. But this has been beaten to death on more tecnically forums since Hayabusa came in 99 and the GSXR750 got the SDTV in 2000. I have been trying to track down the issue. Music has long been shown to boost both cognitive performance and productivity. But couldn't get the line to move back to center or even to the top. However, even if you aren’t mailing anything, you. +1 The code will go away if the problem is fixed and power to the ECM is turned off & restored, something that you doubtless did while working on the bike. These Current Procedural Terminology codes are used to document an. May 25, 2022 · 14356 posts · Joined 2013 Welcome to the forum. If the resistance is outside of the specified range, the sensor needs to be replaced. 15420 posts · Joined 2006 The fact it's happening when you put it in neutral might just be an unlucky coincidence. scuf gaming ps4 This beginner-friendly PDF guide is here to help you master the basics of coding Finding the best coupon code finder can be a daunting task. (STPS) Mounted to the STVA, it reports the postion of the secondary throttle plates back to the ECU. I was getting a C28 code but I removed the STVA and soldered jumpers on it for a permanent fix. I tightened down the ground lead on the battery and moved the main/large wire bundle and the bike started and ran fine, took it out and tried to hit a lil. This is important because the STVA will activate fast idle and make that mark read high on a properly adjusted primary sensor. Without the STVA the butterflies are fully open. In this condition, the secondary throttle valves will be closed. Aug 23, 2013 · C28 Popped a code on my way home a couple days ago -Removed throttle bodies and stva and checked all connectors for security. 2007 GSXR 750 c28 Code for STVA engine code gsxr 750 help stva. We may earn a commission for products purchased through links on this page Topic: DL650K6 c28 code (Read 15597 times) 0 Members and 1 Guest are viewing this topic 03/28/10 1049 Hours Posts: 13 DL650K6 Glasgow, Scotland. DL650K6 c28 code «. DL650K6 DL650K6 c28 code. Start it with the kickstand down. put stva on bracket and installed on engine with the cables adjusted 5. The shaft can engage the sensor in a couple different spots, but only one is correct. There is a broken circuit inside the STVA unit. The gear inside the motor are made of plastic so it is possible that the teeth are gone. C28 Fuel Injection code will not prevent the starter from cranking the engine. stva powered up and works 4. Whether you’ve moved to a new location and need to know your ZIP code fast or you’re sending a gift or a letter to someone and don’t have have their ZIP code handy, finding this in. I went through the manual and shot out the STVA and it was all in limits. An NCK code is used to allow some types of cellular phones to connect to any phone network. This is what give you your initial idle of 2400-2600rpm and then settles into a normal idle of 1200 or so. 06-07 GSX-R600/750 Re: C28 Fault.