fracroy Posted December 22, 2013 Share Posted December 22, 2013 30% throttle at 1900 rpm ? Help pleaseAfter-treatment reagent dosing system special instructions? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/ Share on other sites More sharing options...
Challenger Posted December 22, 2013 Share Posted December 22, 2013 You're going to need PTT to figure out the problem. You will not be able to guess what the problems is. Take it to a dealer. It can be ANYTHING. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-222623 Share on other sites More sharing options...
Challenger Posted December 22, 2013 Share Posted December 22, 2013 I feel bad for everyone when their trucks run out of warranty. The only ones that are going to be able to repair the problems are factory trained techs with the proper tools. I've seen small fleets who went from E7 injection pumps straight to MPs 2010 emissions. How are the mechanics suppose to deal with those trucks? Its night and day. Turning up the "puff" and VMAC III days are over. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-222631 Share on other sites More sharing options...
fracroy Posted December 23, 2013 Author Share Posted December 23, 2013 Well i m using tech tool Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-222784 Share on other sites More sharing options...
fracroy Posted December 23, 2013 Author Share Posted December 23, 2013 Vcads pro Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-222785 Share on other sites More sharing options...
staxx Posted December 23, 2013 Share Posted December 23, 2013 You need to go into guided diagnosis section , if this is a customer copy of v-cads you may not have it and will not be able to do some stuff that we at the dealer can do , like reseting soot levels programing etc. 2 Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-222790 Share on other sites More sharing options...
Challenger Posted December 23, 2013 Share Posted December 23, 2013 You could work your way through 07 emissions with vcads. You're only suppose to check 10 emissions codes with Guided Diagnostics. Vcads will give you a somewhat generic code, while GD will give you the actual code (10 emissions). Ive never seen the customer version of vcads-techtool. 2 Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-222812 Share on other sites More sharing options...
fracroy Posted December 28, 2013 Author Share Posted December 28, 2013 I can use guided diagnostics and reset soot level all the soot levels in my fleet with this problem are only at 15-25 % Quote Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-223462 Share on other sites More sharing options...
RowdyRebel Posted December 28, 2013 Share Posted December 28, 2013 Every time I start entertaining the notion of "upgrading" to a newer truck that ain't been ridden hard & put away wet for several years, another thread like this snaps me back to reality and I'm thankful I bought my '01. Quote When approaching a 4-way stop, the vehicle with the biggest tires has the right of way! Link to comment https://www.bigmacktrucks.com/topic/33977-2012-mack-throttle-and-scr-derate-please-help/#findComment-223497 Share on other sites More sharing options...
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