Duramax Diesels Forum Truck of the Week
  #1  
Old 05-11-2017, 09:36 PM
Veikra Veikra is offline
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Default Can't read balance rates with edge cts2

duramaxdiesel on this forum tried to read my balance rate but it all read 0.0
He has a edge cts2.

We did catch a code ive never seen before, p0016. Could a bad crank sensor mess with the injector balance rates not showing ?

What else could? I dont know if my truck has a tune or not.
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  #2  
Old 05-12-2017, 04:10 AM
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Hopefully others chime in but from what I have seen, when the injectors start to weep/fail and cause minute amounts of fuel to leak by effect the idle not allowing the ecm to read balance rates.
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Old 05-12-2017, 07:35 AM
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I assume that all 8 showed 0.0? I also assume that the edge reads the guys truck you were borrowing it from balance rates no problem?
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  #4  
Old 05-14-2017, 12:02 AM
Veikra Veikra is offline
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Quote:
Originally Posted by Yngdmax92 View Post
Hopefully others chime in but from what I have seen, when the injectors start to weep/fail and cause minute amounts of fuel to leak by effect the idle not allowing the ecm to read balance rates.
Could make sense, I know for FACT my 3 and 5 leak. Dont know if they leak when running thought.

The edge reads all 8 at zero but works on all of duramaxdiesel's trucks.

Funilly enough, I stumble on post on the brm engine of my volks, and someone said that a bad sync between crank and cam sensor will cause the injection to default to 0.0 balance rates. The volkswagen elves call this IQD, Injector quantity deviation.
Considering bosch made both systems.....

Guess im pulling that transmission and fixing what is probably a slack crank sensor reluctor wheel.

Need that crank code gone first.
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  #5  
Old 05-14-2017, 08:32 AM
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duramaxdiesel duramaxdiesel is offline
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Yeah that was a first for me. The CTS worked for me on my LMM before I unplugged it and checked his truck with it. I know if the idle isn't right on the LB7-LLY trucks, it'll read 0.0.
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Old 05-14-2017, 09:29 AM
Blackmax123 Blackmax123 is offline
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Quote:
Originally Posted by Veikra View Post

Guess im pulling that transmission and fixing what is probably a slack crank sensor reluctor wheel.

Need that crank code gone first.
No need to pull your tranny on a duramax to get to the crank sensor or reluctor wheel. They're both in the front. Now if your working on a vw diesel yes the tranny has to be pulled.
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Old 05-14-2017, 10:38 AM
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Quote:
Originally Posted by duramaxdiesel View Post
Yeah that was a first for me. The CTS worked for me on my LMM before I unplugged it and checked his truck with it. I know if the idle isn't right on the LB7-LLY trucks, it'll read 0.0.
Good info, my lly would never show and I bet that's why.
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  #8  
Old 05-14-2017, 11:10 PM
Veikra Veikra is offline
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Quote:
Originally Posted by Blackmax123 View Post
No need to pull your tranny on a duramax to get to the crank sensor or reluctor wheel. They're both in the front. Now if your working on a vw diesel yes the tranny has to be pulled.
No, im talking on the dmax, you have to get the transmission out to get the last upper pan bolts out or the reluctor wheel wont come out.

Only way around this is the notch the casting about a 1/4 inch to slide it in and fill the gap with rtv

I will get the sensor out and check for play sometime this week and let you guys know.
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Last edited by Veikra; 05-14-2017 at 11:12 PM. Reason: added ETA for answer
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  #9  
Old 05-15-2017, 02:46 AM
Blackmax123 Blackmax123 is offline
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No need to drop the pan to get the reluctor wheel out. If you unbolt it from the gear. You can slide the gear off. Then you'll have the room to get the reluctor wheel out.
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2008 Chevrolet 3500hd duramax ltz cc/lb dually (homemade handgrenade) built motor by me, Built tranny by me, big exergy pump and injectors, ac delete, s400 custom Danville 2.5 charger, roll pan, 8" single stack, custom hitch and a few more pulling goodies.

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  #10  
Old 05-16-2017, 04:21 PM
Veikra Veikra is offline
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Quote:
Originally Posted by Blackmax123 View Post
No need to drop the pan to get the reluctor wheel out. If you unbolt it from the gear. You can slide the gear off. Then you'll have the room to get the reluctor wheel out.
I heard you needed to cut a slit in the upper pan to get it out. But good news.

Which is the best place to buy the front main seal installer tool ?
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  #11  
Old 05-19-2017, 11:59 AM
Veikra Veikra is offline
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Split my cooling staff to clean and checked both reluctor/tone wheels. Both the cam and the crank are solid on their shaft.

I would need a high end scanner or efi live to check for pulses. Im not rulling out wiring. Still unable to get that crank/cam mismatch code. The edge is the only one that outputs it.
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