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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through April 16, 2008 » Deciphering and clearing error codes? « Previous Next »

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Ponti1
Posted on Sunday, April 06, 2008 - 08:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Need that service manual sooner than expected! Anyone with access to look up codes? At about 150 mile mark, I got two error codes:

P0087 FUEL PR SYS ERR

P1047 F-R AF SYS ERR

Not sure if I should leave them or clear them out and see if they come back.
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Smoke
Posted on Sunday, April 06, 2008 - 09:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

after a number of clean starts, the error codes will disappear. i have had both of those codes previously but they are no longer coming up.
tim
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Ponti1
Posted on Monday, April 07, 2008 - 09:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So, did you just ignore them?

I rode about 300 miles yesterday. When I left the house, the engine light came on 2 or 3 times in the first 30 miles, but then never came back on.

I don't mind letting it alone as long as it seems to be a common occurrence during break-in, but don't want to cause any damage, either.

Dealer isn't helping much, since the head service tech is pumping me for what I know from reading BadWeb and Buelletinboard posts! I of course encouraged him to do some reading online and to get the dealership to sign on as a sponsor...
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Zac4mac
Posted on Monday, April 07, 2008 - 09:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There's two ways(that I'm aware of) to clear your error codes.
1) Some number of clean starts, someone once said 50, dunno.
2) Digital Tech at the Buell dealership.

You will get an error code if you start before the fuel rail pressures up.
Wait for the little red light in the lower right to go out.

When you start it up, no throttle until the Coolant Temp quits flashing will reward you with a smoother running engine.

If you play with the throttle, it's very easy to flood, especially with very low miles.
If you flood, WFO the throttle and turn on the ignition.
Hold it 3 seconds then turn the key off.
Repeat, then turn key on and start normally.

I've had no codes for a long time now, had 3 or 4 different ones during break-in.

5700+ miles, 2600+ in the last week.

Zack
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Ponti1
Posted on Monday, April 07, 2008 - 11:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Seems maybe I'm going to go with riding it and waiting to see if all is well. I have not touched the throttle until warm (>151 degrees on CT), and I have not started until "WISCONSIN" is finished scrolling across ODIS (a few seconds longer than the red light shutting off).

Thanks guys! You are my only outlet for good information...One day, we'll have a service manual and rays of glowing light shall be cast down upon us all!!
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Ratbuell
Posted on Tuesday, April 08, 2008 - 12:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Another factor of note in other threads is low system voltage. Most of these bikes have been sitting for a lot of their lives (winter) and have marginally depleted batteries. Keeping them on a trickle charger will help alleviate minor hiccups until Ma Nature allows us to put them into more regular service and keep the batteries topped off.
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Chevycummins
Posted on Monday, April 14, 2008 - 03:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So far I had a communications error caused by low battery power the day after I got the bike. Now I had a rear o2 sensor code and a fuel pressure code. o2 code current and the fuel pressure code clears itself.
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Smoke
Posted on Monday, April 14, 2008 - 06:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

as i understand it, unless the little engine is actually staying lit up on the dash it is ok to ride. the others are errors that have happened in the history of the bike. there is a finite number of memory for that.
tim
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Two_buells
Posted on Monday, April 14, 2008 - 08:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Smoke's post above is true.

Historic DTCs are stored for 50 run cycles
On the 50th cycle, the DTC clears itself

P0087 FUEL PR SYS ERR = Fuel Rail/System presure too low
P1047 F-R AF SYS ERR = Feedback Fuel Cylinder
Difference too Great (O2 sensor)



(Message edited by Two_Buells on April 14, 2008)
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Chameleon
Posted on Monday, April 14, 2008 - 09:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My 1125R got the P0087 FUEL PR SYS ERR code when it was extremely low on gas... So low that the bike wouldn't start on the sidestand, only upright.

Fortunately there were 2 gas stations within 500 feet.
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Cutty72
Posted on Monday, April 14, 2008 - 11:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ok, I'm still not getting it. How do I check these codes??
And if my check engine light does not come on after restart then a trip to the dealer is not necessary?
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Spectrum
Posted on Monday, April 14, 2008 - 11:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You can check for the codes by going into Diagnostics mode. To enter Diagnostic mode, hold both the Mode and Toggle buttons down while turning on the key.
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Cutty72
Posted on Tuesday, April 15, 2008 - 12:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ah HA, I was hold down both with the key already on! Knew I had to be doing something wrong.
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Cutty72
Posted on Tuesday, April 15, 2008 - 12:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ok, checked 'em

P0087 Fuel Pr Sys Err. Sounds like a common one, so not too worried. (still in break in period)

P1154 Clutch Input
No idea here??
Could it have something to do with switching to Pazzo levers?
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Spectrum
Posted on Tuesday, April 15, 2008 - 12:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

lol, Took me 5 or 6 attempts the first time. It still takes 2 trys 50% of the time. Evidently I'm challenged when it comes to applying equal pressure to 2 fingers simultaneously.
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Cutty72
Posted on Tuesday, April 15, 2008 - 12:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

so... with those codes, think it needs a visit to the dealership doc?
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Spectrum
Posted on Tuesday, April 15, 2008 - 08:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Fuel pressure code during early breakin is common and can be caused by starting the bike before the fuel system has pressurized.

Engine light coming on is not.

As for the Clutch code, not sure. I'd go into Diagnostic mode and check the clutch state. Should be 0 when out and 1 when pulled. If 0/1 state registers correctly, I wouldn't worry about it.

If the engine light doesn't come on again, you might be safe. If it continues to come on, take her in.

Safe bet would be to take her in at let the service tech check her out.
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Zac4mac
Posted on Tuesday, April 15, 2008 - 08:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check the wires to the clutch state switch and make sure they didn't pull out.
Below the reservoir, 2 wires in a sheath, just slide onto the pins, no lock.
They are very easy to dislodge if you're poking around.
No polarity, just re-plug if loose or disconnected.

All it does if unplugged is not let you start in gear, even with the clutch pulled in.

Zack
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Cutty72
Posted on Tuesday, April 15, 2008 - 10:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Starts in gear fine, I know cause it dies all the time, and restarts no prob.
I'm gonna let the dealer have it because of that problem anyway.
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