RS Warrior Forum banner

1 - 19 of 19 Posts

·
Registered
Joined
·
84 Posts
Discussion Starter · #1 ·
So I have been having this issue with the bike just dying while idleing and while running down the road it acts like it's running on one cylinder. I figured it was bad gas cause it never seemed to last very long, only a couple of seconds asI am able to throttle through it. It started before I got a custom map and then it got worse. It seemed to stop for about 3 tanks of fuel and I have to admit I had been babying it. I rode it to DELMARVA bike week and had no issues until the day before I was heading back when it did it again but this time it didn't stop when I throttled through it. I even pulled the tank off and tried to diagnose any problems, I could see nothing wrong, no loose wires no dirty fuel filter, nothing. I put it back together and then added fresh gas and a shot of SEAFOAM, which cured it almost immediately. I parked if for the night and pulled out the next morning. After about 50 miles, it started doing it again. This time, cause I was with 5 others I kept riding it for an additional 50 miles whiletrying to throttle through the problem and I decided it wasn't the gas. I pulled the bike over, pulled the tank off and again checked everything, this time to find a loose rear cylinder air filter (K&N). I pushed it down tightened it up and started the bike to find it running normally. When I pulled out of the gas station a billowing black smoke left the rear cylinder (V&H LS) so my buddy told me. It coughed a couple of times while throttling it up but I rode it another 150 mkiles with out any major re-occurrences. A couple of sputters but nothing major.Questions for the gallery, Did I do major damage riding it on one firing cylinder? Can I check it in any way for damage, shy of pulling a head off?? I figure the octane boost I kept giving it was why the problem stopped each time the fuel mix got richer?I figure I need to take my bike back for another mapping tweek because it is WAY too LEAN.Opinions please. Thanks
 

·
Administrator
Joined
·
29,925 Posts
Have you tried the search function, or Popular Mods?


JUMP to Topic "Engine Won't Idle"
1. http://rswarrior.com/forums/t/110144.aspx


JUMP to Topic "Troubleshoot Low Idle and Stalling on Cold Start"
1. http://rswarrior.com/forums/p/111772/917432.aspx#917432
2. http://rswarrior.com/forums/t/115809.aspx


JUMP to Topic "Troubleshoot Hard Starting When Hot"
1. http://rswarrior.com/forums/t/22813.aspx


JUMP to Topic "Engine cuts out at a specific RPM only"
1. http://rswarrior.com/forums/t/22937.aspx
2. http://rswarrior.com/forums/t/112837.aspx
3. http://rswarrior.com/forums/t/112797.aspx
4. http://rswarrior.com/forums/t/114434.aspx
5. http://rswarrior.com/forums/t/110237.aspx


JUMP to Topic "Engine repetitively stalls after a few miles"
1. http://rswarrior.com/forums/t/115766.aspx


JUMP to Topic "Engine Sputters in Heavy Rain"
1. http://rswarrior.com/forums/t/116139.aspx


JUMP to Topic "New Bike Engine Knocks"
1. http://rswarrior.com/forums/t/118201.aspx


Only you can prevent a lean condition



Spark Plug Condition Chart: http://hawkworks.net/sparkplug-chart/
Spark Plug Condition Chart: http://www.ngksparkplugs.com/techinfo/spark_plugs/faq/faqread2.asp
Spark Plugs - Changing: http://rswarrior.com/forums/p/26477/382823.aspx
Spark Plug Condition Info: http://www.strappe.com/plugs.html
Spark Plug Reading - Racing: http://www.usaimports.co.uk/Mopar_Tech_Pages/Spark_Plug_Reading.htm
 

·
Registered
Joined
·
84 Posts
Discussion Starter · #3 ·
Thanks for all your suggestions. I read every string and none of these fit the description of my bike. I beleive the rear Air Filter leaked air and caused all of my problems, I figured this out because when I took the air filter off and started the bike it re-occurred. Put it on and problem gone. Man do I feel stupid! Who would have thought the air filter coming loose would cause so many issue, only a fuel injected bike with a PCiii, apparently.
 

·
Administrator
Joined
·
29,925 Posts
That's the oddest thing I've ever heard. I run the bike without filters in the garage - no problems.But if it works, go with it



ohiostar11 said:
Thanks for all your suggestions. I read every string and none of these fit the description of my bike. I beleive the rear Air Filter leaked air and caused all of my problems, I figured this out because when I took the air filter off and started the bike it re-occurred. Put it on and problem gone. Man do I feel stupid! Who would have thought the air filter coming loose would cause so many issue, only a fuel injected bike with a PCiii, apparently.
 

·
Registered
Joined
·
2,468 Posts
well, if that was all caused by an air filter, you have a problem, IMHO. have you check to see if your plugs are sitting tight? Any of the plugs dead or malfuctioning? You can tell if you're running lean or not by the color of the spark plugs (white). How about your coil wires? Any of the coil wires loose from boot? Check battery connections? Fuel lines? Idle speed? These are the things that should be checked. (my 2C) Hope you fix the problem. This type of problem would drive me nuts and if I were you, I would set a day and list all possibilities and just start going down the list one by one. This way, you can be sure of all the stuff you already checked instead of just poking around randomly. You will never find a problem that way if it's been dormant forthis long, IMO.
 

·
Registered
Joined
·
84 Posts
Discussion Starter · #6 ·
Thanks Man, Yes all good advice.My Problem is not fixed, it seems. I was somewhere between 90-MPHcoming home from work on Friday and it did it again, although only for a second. I rode the other bike this weekend and then this morning it hiccuped a couple of times after coming off the freeway, starting out from a stoplight this morning after riding to work which isusually at speeds of 75-85 (in the dark).It may be exhibitingsymptoms related to riding it on one cylinder and either have fouled one or more spark plugs or because I have some other intermittent electrical issue, possibly the coil or plug wires but your right about a list.I did check all coil wires and cylinder wires but will do it again when I get her down and pull the plugs. Was just sitting here with a mechanic buddy talking it through and we both conclude this is the worst kind of problem due to the intermittent behavior.All of these problems began after the install of the BAK. I think the Coil wires are the culprit. I am going to remove them from the under tank bracket and reinstall them where they belong. Will any of the sensors cause this issue? AlanH - do you know if there is a way to test the front and rear sensors that are attached to that same bracket? I am half tempted to return the stock air box, remove the PCiii and take it to my dealer and say here, you fix it. That darn thing is under warranty and I have another ride, but dang it, with the resources of this forum we should be able to figure this out, right? I most likley will pull it down by the weekend at the latest and report back.
 

·
Registered
Joined
·
370 Posts
Ok, my 2 cents here cause I'm on the figuring out end of the same problem. Did the BAK and PCIII with no problems. Didn't have the filters I needed when I put everything back together, so I ran with no filters in the garage, and couldn't resist going up and down the street a few times without them. The bike ran like a raped ape!! I was contemplating running with some kind of a screen setup instead of air filters but decided against it and put on the K&Ns when they showed up. Everything ran great for a week, then coming home one night my bike pretty much fell on it's nose and I lost my forward cylinder due to a fouled plug. I had to unplug the PCIII and run with the stock ECU which took the better part of a day to figure out what to do with all of the extra air and to stop running like crap. I soldered every connection tight, did the perfect install with instructions from here and rewrapped everything tight.


In short, whoever set up your PC is the likely culprit. From what I've been told, and from what I've seen on here, if the coils were bad, it wouldn't NECESSARILY be intermittent, it would run like that all the time. I know how you feel about not sure if you made the right decision about the setup and going back to stockbut everyone from the dealer to guys on this forum have all told me that a bad set up on the PCIII will make your bike run crazy. Bucky685 told me that a local shop witha decent reputation had his bike running at almost 16/1 compression. I've got mine scheduled for a Dyno/setup from someone around here that has the best reputation for doing setups and taking his time to do it right. I'll keep you posted if this cures it. On a last note and then I'll be quiet, when I took my stock airbox off, whoever put it on last had pinched the elbow on the air box hose, and the throttle body was running half open and half connected to the airbox. The bike ran like that for at least the six months that I've owned it and it ran perfect. I don't think that a loose connection on your air filter would be the cause of your issues, but that's just my opinion.
 

·
Registered
Joined
·
260 Posts
I am going to have to agree that a tb sucking unfiltered air is definatly not the culprit. Start with the basics fuel, air(easy to check)compression(another easy one) and timed spark. If it was me I would pull a plug wire while it was malfunctioning stick a screw driver in the boot, then hold the screw driver close enough to something that the spark will jump to(or buy a spark tester). I will bet money that your prob is ignition. That big cloud of smoke your bike made when leaving the gas station was probably the coil on that cylinder coming back on and having to burn off all the loaded up fuel pooled in the cyclinder. I bet your oil smells like gass pretty bad if I was a betting man.
 

·
Registered
Joined
·
84 Posts
Discussion Starter · #9 ·
I appreciate your reply and input. Are you saying that the installation of the PCiii is the culprit? I installed it myself using the "perfect install" instructions and this was my second install on the second bike, (yesI havethe privilege of working on my wifes warrior too) so I don't think it's the PCii install. If anything it may be the map!?!? is that what you are saying or should I check the install again.


The problem was rearing it's ugly head again on the way home last night. I am sobusy the rest of the week after work each night that I won't get to pull it apart until Friday or Saturday but keep the ideas coming. I am going to put the coils back to the stock position because I believe the problem may be ignition.


Another thought, would a faulty fuel sending unit cause this tooccur? It seems if I roll slowly on the throttle when it's acting up, itmostly maintains consistent behavior, whereas by if I roll on it, then one cylinder shuts down until I roll off andit intermittently fires again. Dam I hate this..... not knowing is the worst.
 

·
Registered
Joined
·
370 Posts
I wasn't referring to the install, but the setup (map) of the PC. If all of your connections were tight, then the installation should be fine. A pressure check on the fuel line would tell you if it was a sending unit.
 

·
Registered
Joined
·
370 Posts
Just a last note if you're still watching this topic, I switched to dyna coils today, and as I removed my stock coil from the BAK plate, I found that the terminal on the bottom side of mycoil had rubbed through the rubber cover and shorted out against the plate.That explained what happened when my bikefouled a plug last week and started running real bad at times. Hope this helps or you already have it figured out
 

·
Registered
Joined
·
84 Posts
Discussion Starter · #12 ·
Thanks, I haven't pulled it down yet. Can you hook me up withinfo on the new coils? Is your problem definitely fixed?
 

·
Registered
Joined
·
1,559 Posts
these symptoms have been showing up more and more in these threads, from altered and unaltered bikes. I have had them as well. non have been fixed yet ,to my knowledge. I'm wondering if this is not the start of some recall issue.
 

·
Administrator
Joined
·
29,925 Posts
Based on the new information in these posts, you might try gently seating the coil wires at the coil, under the neck frame. There's a coil on each side with spade connectors in front. The are not very strong so don't push so hard you bend them. Try to re-seat all four connectors by pressing with your finger straight into the coil. This is a common problem causing this trouble. You might just press on the spark plug ends too for the heck of it.


Before everyone jumps into the CPS TPS routine, the coil wires, and clean airfilters, and correct clean and gapped plugs, and warm idle properly set, and clean enough oil/filter for adequate cooling, all need to be correct. If the trouble continues with all these things correct, then its time to start wondering about CPS or TPS.


Look in 'Popular Mods' under CPS and TPS you'll find the marks made by the dealer when the recall work is completed, and how to look at your own bike to see if the recall was done. Note that rarely, but it happens, the CPS or TPS recall work is done improperly or the new part fails. There are guys on this site that can walk you thru that IF this even gets that far, which is rare.


Hope this helps.
 

·
Registered
Joined
·
370 Posts
I found my dyna coils on Ebay for around $125, shipping included, and after some effort, they did correct the issue.They aren't going to make a night and day difference, but it idles smoother, doesn't backfire nearly as often, and just seems to run a lot smoother all the way around. DC2-1 is the model number but a word to the wise, if you decide to use the stock coil bracket, you'll end up just using the center one that bolts to the frame and turning the new coils sideways. If you do this, cut the bracket a little and bend it out so that the widest bolt holes on the coils are used. If you don't you'll ground out and the bike won't start.
 

·
Registered
Joined
·
2,752 Posts
ohiostar11 said:
It was a loose coil wire on the rear cylinder. Thanks Gang.


 


GOD I LOVE THIS BIKE!!!!!!!!!!!!!!!!!
I had the same problem with my bike. I did the coil relocation plate. All was running fine until i washed it one day. I went to start it up and it was sputtering like only running on one cylinder. I put new plugs in it. A few weeks later same thing. Sometimes i would rev it up and the symptom/problem would go away only to come back eventually. I pulled the tank off and discovered one of the coil wire connectors was barely touching. I made the connector a little tighter and put it back on the coil and had no more problems. Something so simple you would never of thought of. But that's usually what it is, something simple. Here's my original post of my problem.

http://rswarrior.com/forums/p/118127/953195.aspx#953195
 

·
Registered
Joined
·
1,559 Posts
I think I found the problem, after taking off the tank to swap out stock air intake for the speedstar, i noticed that the snorkel was not connected. Now I cant be positive that I didn't pull it off while fiddling with the intake prior to removing the tank, but if I did it wasn't on very good. All of the sudden bike seems to be running a lot better, little to no back fire. I just hope I didn't do too much damage sucking in that unfiltered air.
 
1 - 19 of 19 Posts
Top