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2012 mack throttle and scr derate please help!


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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.

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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.

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