DET error code and in to limp mode

allpowersports · Dec 28, 2010

I have a problem on my RMK ASSAULT it have 6,5h on it now, it all started after 2,4h. I ride from sea level up to 3500ft in Norway and its bone stock. When I start driving up the hill first ride of the day and passing 1000ft it goes in to limp mode with det code on the display. It happens 3-4 times and then runs like a charm until I goes below 1000ft and heads up the hill again, then det code and in to limp again but only 1 or 2 times. As for fuel I run non ethanol European 98 oct, its equal to us non ethanol premium. I ride in Norway so I don't know if we have a different mapping compare to us models. Any one else that have encounterd this? Ya and the low oil lamp also fu#ks with me after drops/ jumps even with full oil.
I have checked the ECU plug, any ideas?

AndrettiDog · Dec 28, 2010

My first guess was bad fuel. And that could still be the issue. I use Stabil marine fuel treatment to help offset the ethanol and remove water. How is 98 Euro octane any different that 98 any other country octane? Drain the fuel and try premium fuel from somewhere else. You are very low (and the ECM will run lean). Maybe you will have to run a fuel controller. I'm not sure of any different euro mapping either. I doubt Polaris did much testing for the map setup to run in Norway.

Or...maybe it's because you ride it like a rental!

NapaMatt · Dec 28, 2010

What Fuel plug are you using??

Go back to te 10% Ethonal..

Even if you are using non ethonal fuel..

X2 try different fuel

allpowersports · Dec 28, 2010

Fuel

BugIto said:
My first guess was bad fuel. And that could still be the issue. I use Stabil marine fuel treatment to help offset the ethanol and remove water. How is 98 Euro octane any different that 98 any other country octane? Drain the fuel and try premium fuel from somewhere else. You are very low (and the ECM will run lean). Maybe you will have to run a fuel controller. I'm not sure of any different euro mapping either. I doubt Polaris did much testing for the map setup to run in Norway.

Or...maybe it's because you ride it like a rental!

European fuel are RON rating 98 oct is equal to US Aki 93 oct.
I have tried fuel from different stations and brands and still DET and in to limp mode. I have been running my old M7 piped on 220 psi nitrous, 4° offsets on the ignition same brands of fuel and no DET on 3 years. But I did run it with a BD box.
I'm quite sure that the European D 8 had a different map than the US, sleds sold in Europe don't need to comply to EPA regulations.
I'm not sure if it's a different map in Euro version of the sled, but If it is I'm sure it's not been put in the same RD time in the map as in the US.
Hopefully it's not due to my rental driving style : )

allpowersports · Dec 28, 2010

Ethanol resistor

NapaMatt said:
What Fuel plug are you using??

Go back to te 10% Ethonal..

Even if you are using non ethonal fuel..

X2 try different fuel

I'll will try and switch to the 10% ethanol resistor and see if that works.

AndrettiDog · Dec 29, 2010

I didn't know that about euro octane. Let us know if u make progress.

allpowersports · Dec 30, 2010

Yupp, i will keep you guys update on the DET issue and solution to it.
But I have turned my right lower a-arm in to a piece of metal for recycling,it looks like a wet spaghetti and I have no clue what I have been hitting

allpowersports · Jan 4, 2011

Solution

Was speaking to one of my dealers tecs this weekend, he advices was to clean the exhaust valves after the break in. He said it probably would help and yes no det last ride! So lets hope it was the solution.

Daltech · Jan 4, 2011

There`s not different map for european models. They was toggelig a bit whit that on the older D8, but that was just some dealers that had a few units to test whit a special program made for EU. Don`t think it solved any of the issues we was seeing here anyway.

Using the 10% ethanol resistor brings you down 5-6 hp.

And to those who are suggestion better fuel, mix whit race etc. This is a bone stock sled. It`s dealers problem to fix it. Racefuel over here cost 10 times what you pay in the US.
Customer should be able to fill his sled at a normal gas station whit the recommended fuel, pull the rope and go.

Hope cleaning the valves sorted out your problem.

allied1 · Jan 4, 2011

Quote:Customer should be able to fill his sled at a normal gas station whit the recommended fuel, pull the rope and go.

100% AGREE!!!!

Pilotme314 · Jan 4, 2011

i hade the same thing one my assault rmk. i sucked out all the 98ron and replaced it with 95ron no more DET.. there is somthing different i our fuel!

allpowersports · Jan 5, 2011

Pilotme314 said:
i hade the same thing one my assault rmk. i sucked out all the 98ron and replaced it with 95ron no more DET.. there is somthing different i our fuel!

Our 95 oct is more consistent in octane rating than our 98 oct for some reason.

puckster · Jan 6, 2011

I had this happen to me twice in the states. both times I filled with 91 octane and with correct resistor in. I believe I had a little moisture in the gas tank and it was enough to set it off. It won't reset until you actually shut your sled off for a few seconds then restart it. Both times it happened it was with Cenex fuel, with Tesoro I have had zero problems. A little gas treatment in the tank if i have to fill at a Cenex and I have no problems. Up in Cooke City over New years a bunch of Doos were having a similar problem, they didnt have a DET that came in but the sleds seemed to be miss firing alot! both summits I rode with and 3 other people I talked to had problems. All the poos ran fantastic though :face-icon-small-coo

426h · Jan 6, 2011

allpowersports said:
Our 95 oct is more consistent in octane rating than our 98 oct for some reason.

Probably because the 98 is old due to low turnover. Fresh 95 will have higher oct. than old 98.

product tester · Jan 6, 2011

have your tps checked, mine moved after a few rides.

barry1me · Jan 8, 2011

At 34 miles on my sled I got a det code on dash and I couldnt go above 6000 rpms. I shut sled off restarted and it went away for the rest of the day. I'm still on break in tank with ethanol resistor 93 premium and premixed in tank. Any reason why this happened?

diggerdown · Jan 9, 2011

puckster said:
I had this happen to me twice in the states. both times I filled with 91 octane and with correct resistor in. I believe I had a little moisture in the gas tank and it was enough to set it off. It won't reset until you actually shut your sled off for a few seconds then restart it. Both times it happened it was with Cenex fuel, with Tesoro I have had zero problems. A little gas treatment in the tank if i have to fill at a Cenex and I have no problems. Up in Cooke City over New years a bunch of Doos were having a similar problem, they didnt have a DET that came in but the sleds seemed to be miss firing alot! both summits I rode with and 3 other people I talked to had problems. All the poos ran fantastic though :face-icon-small-coo

I do believe that all Cenex fuel has 10% ethanol in it, so does BP. EPA has seen to it that all our fuel will be messed up, now they are pushing for 15%! Running at low elevations maybe a smaller plug gap or a cooler plug would help.

allpowersports · Jan 9, 2011

Exaust valves

barry1me said:
At 34 miles on my sled I got a det code on dash and I couldnt go above 6000 rpms. I shut sled off restarted and it went away for the rest of the day. I'm still on break in tank with ethanol resistor 93 premium and premixed in tank. Any reason why this happened?

It started the same on my sled, opening and cleaning the exhaust valves did the trick on my sled.
Dealers tech told me that on some sleds it can build up some on the valves due to break in oil, witch make the valve movement slower / restricted building more heat that leads to det.
Hope you gets your problem sorted.

barry1me · Jan 9, 2011

allpowersports said:
It started the same on my sled, opening and cleaning the exhaust valves did the trick on my sled.
Dealers tech told me that on some sleds it can build up some on the valves due to break in oil, witch make the valve movement slower / restricted building more heat that leads to det.
Hope you gets your problem sorted.

SO did you clean your exhaust valves then? If so how did you remove the clutch side valve? How nasty were your exhaust valves?

allpowersports · Jan 9, 2011

I dropped it of at the dealership for having it fixed

It's a brand new 26k sled, I should not have a DET problem due to sticky exhaust valves after 2,4 h. I have a good dealer less than 15min away from home, he just asked me to drop it of there and they cleaned them, and I haven't had any problems after that.
I know that the valve behind the steering post is a pita to clean.

DET error code and in to limp mode

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