Running awful and need advice

[ulost]

I've got a '12 PRO with a 12' silber kit installed and 875 mi on sled total. I have developed an issue with a low and rough idle, along with an engine light. Seems to run better at higher rpm, just runs like crap on idle. What should a guy all check? Fuel pump, reeds, voltage regulator?... I should also add that I am going to be doing the Dobek control delete and running a new reflashed ecu if that makes a difference. Thanks in advance.

 

[AKFULLTHROTTLE]

The box could be bad, happens for sure. Also reeds could be bad as well.

 

[MrIQR]

Normally crap down low, ok up top means bad reeds. I would start there.

 

[ulost]

So what would've caused the engine light to come on and stay on?

 

[gmustangt]

Running an afr?

Some sensors can take a bunch of power to heat up , this can cause low voltage and throw the light.

Tps could be out , had a 12 that would be out every second ride.

 

[ulost]

Yes, running an afr, but have never had an issue with voltage. Gotta love electronics.

 

[TurboMatt]

What check engine code is it giving?

 

[Boston Racing]

What's the code...the sleds trying to tell you what's wrong. Most of the time when they start running bad with a code it's a 173 for EGT sensor.

 

[ulost]

I can't remember off the top of my head. I'll get back to ya with that one.

 

[diamonddave]

I've got a '12 PRO with a 12' silber kit installed and 875 mi on sled total.


I should also add that I am going to be doing the Dobek control delete and running a new reflashed ecu if that makes a difference. Thanks in advance.

I'm a little confused. Are you going to the Silber-flashed ECU for 2014 and newer Silber kits because of the runnability issue just as a test to see if it improves the symptom or for good?

Have you already made the upgrade?

Remember, that your '12 Silber kit uses auxiliary injectors with the dobeck box and the Silber-flash ECU is for larger injectors in the stock location. Not sure how it would run with the stock injectors. And the flashed ECU will not run the auxiliary injectors.

 

[Boston Racing]

This is Corey, Did we already speak about the ECU reflash upgrade? If not there isn't one available for a 2012 kit with aluminum airbox. You would end up buying so much it would be cheaper to sell it and buy a new kit.

The reflash won't fix the check engine light. I would focus on fixing that first.

 

[ulost]

I've spoken to Justin a couple times now. He has not said anything about not being able to do the delete. And yes, it will be a permanent delete. Going to bring 2 sleds up to him after the 1st. Kinda nice he is only 2 hours from my door step.

 

[ripnit]

Check reeds first, also check turbine wheel, look close next to housing, for damage to the fins. Also if it's detention, to much boost for what octane/Elevation, you may have piston/cylinder damage. Have you check compression?

 

[ulost]

I've hit det once 4 years ago on the initial tune. Had the head off last year for new o rings. Didn't do a compression test, but scoped everything out and looked good.

 

[ulost]

No engine code on when running. I'm gonna go out on a limb and guess the fuel pump pumps bad. Gonna run an amp draw this week.