DCS light still coming on

[timd222002]

Went out today and my DCS light came on again. Filled up with 93 octane and my DCS light is still coming on ocationally? Any sugestions i have tripple pipes with 162.5 mains. Hauck pipes and RPMs running around 9100 with wich hauck recomended 8900 to 9200. Anyone have similar problem. Plugs look good.

 

[tomseal6]

Did you try a half bottle of 104+ boost with the fill up?

 

[justaviper]

I would jet up to 170 on the mains. DCS alway's came on with anything smaller on my piped viper. It could also be noise from the pipes triggering the sensor.

 

[timd222002]

Not at first it seemed fine then a little in the day it started doing it ocationaly then a little more I then put some klotz and seem to happen less. I do have the vforce3 reeds in it which most people I talk to on here do not have. I think im going to go to the next up jet size.

 

[daman]

did it do it before the pipes/mods????

 

[swede srx]

carb venting

I also had problems with piped viper jetting, until I changed the airbox carb venting to open carb venting. Before I didn´t understand nothing, but after the sled responded to jet changes in a normal way.This sled was a -02 without DCS so I don´t now if this will help you, but it´s a easy thing to try. Read the attachment and think about it. An other problem I had was after a jump the sled boged, I think that when landing you fill up the carb vent lines with fuel and upset the jetting. With carb vent lines straight down fuel run out off it.

 

[timd222002]

You know thats funny cause I saw a liquid today under my air box which seemed odd but thought it was snow. Could it have been fuel leaking out of the air box?

 

[timd222002]

I just bought ths sled with the pipes on it and I did a rebuild on the top end. The stock reeds where bad so I decieded to replace them with vforce3 but I had never ran it before I did all the work to it

 

[swede srx]

Most engines spit back a little fuel into the airbox at some engine speeds, two strokes a little more than four strokes so this is normal.

 

[daman]

Most engines spit back a little fuel into the airbox at some engine speeds,

Right,triples do,but twins don't because of the boost bottle.

 

[timd222002]

It was a good amount of liquid under the air box.

 

[daman]

was it oily slime????

 

[timd222002]

I really didn't think nothing of it other than must be water from ice melting. But now that I think about it I cant see why it would have been there

 

[modsrx]

couple of things to check ...make sure your not to lean ...make sure u dont load the motor to mutch ..thats creates alots of heat ....some clutch set up make the motor torque alots