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Yamaha: Boosted Sleds (Turbo or Supercharged) Turbo discussion for Yamaha aftermarket Turbo or Super Charged sleds.
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  #1  
Old 02-28-2011, 01:44 PM
JTAB JTAB is offline
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Default Boosted Apex Issues

Just want to pick a few brains on this one. 2006 Apex motor Impulse Race Kit 2871 Tial turbo. I am getting codes 13, 15, and 20 sled runs but can't seem to keep it running in the 12's on the Air Fuel guage. Idles in the 13's and as I accelerate and it starts to make boost at say 2-8lbs and 7000 to 8500 RPM it will go rich and run at 10 on the A/F Guage. Which makes it hard to ride cruising across a meadow, blubbers and runs rich. I have tried different controllers and the same results if I take away boost fuel in the middle I can't add enough main jet to make up for it. I have had my controller remapped and that has helped but not curing the problem. Using a Purelogic controller and I have a stock Attitude controller as well to compare with. I know some of you guys don't like these controllers but I have had 4 good years running this one.

Because of the codes I think I have other issues, have done all the tests , swapped computers and all the sensors and no luck. In Diagnostic's D2 it shows 95 and on D3 it shows 9 that seems like a huge spread for atmospheric pressure change on a not running engine. The manual doesn't help me out and tell how much difference there should be. I have pressure tested the system and I can't find any leaks, tested fuel pressure changed plugs etc.

If the Map sensors are not working properly that would make sense of what is happening the sled is fighting it self. It's telling it to add fuel and it does not need it. ANY HELP GREATLY APPRECIATED
Jason

Last edited by JTAB; 02-28-2011 at 04:57 PM.
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Old 02-28-2011, 02:03 PM
EZmoney EZmoney is offline
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Have ya tried a new set of plugs? These sleds will run but like crap if the plugs are fouled. Sounds like you checked some of the obvious
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Old 02-28-2011, 02:06 PM
JTAB JTAB is offline
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Sorry forgot to tell tried new plugs.
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Old 02-28-2011, 05:12 PM
EZmoney EZmoney is offline
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Have you had this sled out since the build and it was running good? Or having issue's since the first ride?
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Old 02-28-2011, 05:43 PM
mtsnowgo mtsnowgo is offline
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Looks like all the codes that are being throw have to do with the air intake sensor and pressure. Error 20 reads "Atmospheric pressure defective values are detected due to the internal malfunction fixes the intake air pressure and atmospheric pressure to 85.0 kPa. Able Able."
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Old 02-28-2011, 06:54 PM
BigFish BC BigFish BC is offline
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my buddies did similar this year it was the air pressure sensor from the air box just replaced it & all good.
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Old 02-28-2011, 07:11 PM
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Quote:
Originally Posted by EZmoney View Post
Have you had this sled out since the build and it was running good? Or having issue's since the first ride?

Worked good first trip and been acting up ever since.
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Old 02-28-2011, 07:13 PM
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Quote:
Originally Posted by iamvector View Post
my buddies did similar this year it was the air pressure sensor from the air box just replaced it & all good.
It's new and the TPS is new and a new Map sensor as well.
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Old 02-28-2011, 07:20 PM
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check for condensation in the vac lines going to the atmosphere sensor pull the lines and blow them all out. had this happen once on mine. does it rest in a heated shop to dry things out or stuck out in the cold?
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Old 02-28-2011, 07:41 PM
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Old 02-28-2011, 08:58 PM
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Old 02-28-2011, 09:46 PM
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Old 03-01-2011, 07:41 AM
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Old 03-01-2011, 11:16 AM
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Old 03-01-2011, 01:59 PM
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Old 03-01-2011, 02:02 PM
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Old 03-04-2011, 08:46 PM
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