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stang66007
May 21st, 2015, 02:56 AM
I have a LMM that surges. The vanes are changing position while driving at steady speeds. Smoke then clean while they are changing. Where should I be looking for this problem? No script used, just single tune.
Road
May 21st, 2015, 04:00 AM
Torque converter clutch slipping can cause the turbo to do that...
stang66007
May 21st, 2015, 04:27 AM
No slip in TCC. It does through acceleration also.
dansdieselp
May 22nd, 2015, 02:25 AM
If EGR controls are out of whack it can do that.
SASDakota
May 23rd, 2015, 01:57 PM
Is this tune calibrated to turn EGR off?
stang66007
May 28th, 2015, 08:43 AM
They are off.
SASDakota
May 29th, 2015, 03:54 AM
Try turning the EGR option "on" but then go to settings for EGR operations and make the requirements unreasonable. IE: EGR will not operate until coolant temp reaches 300*.
Big-Trucks
July 28th, 2015, 10:30 AM
I'm also curious to know what the problem was with this truck... :angel_innocent:
asmithIII
July 30th, 2015, 09:38 PM
my guess is an EGR problem. some engines need a blocker plate and some do not. an EGR blocker might be helpful in your engine.