I bought my rig in late 2008, it has all the right gauges on the dash but in most cases I can hardly see them while driving.
I know how important it is to have the ability to know how the engine/transmission are performing. Temps, oil pressure, boost, voltage were things I was interested in so I looked at options.
At the time there were 2 monitoring systems, Scangauge & Silverleaf VMSpc. I ended up buying a Silverleaf as it offered me the ability to display any of the parameters I was interested in onto a screen of my design. There is another option now, it is Bluefire, which is bluetooth and display on a phone, but I've read where people have had problem with it dropping out and sometimes not wanting to link. Do your research.
So now the rig does not move unless the Silverleaf is displaying all the info and is all good. I have also set up alarms on key parameters so if something happens I'll know it ASAP. The Silverleaf also has the ability to receive fault codes from the ECM.
So long story short I'd suggest you get some sort of monitoring system with the ability to display fault codes.
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Jim J
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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