I just bought a Trail Lite B+ 211s with 8.1 Chevy engine. This is my fifth motorhome (others range from an old 20' Vagabond, and three Winnegagos, from 19 to 32'. This vehicle is fantastic. I am...
Posted a few weeks ago about a check engine light. Gene suggested a SCAN Gauge OBD II tester which I had read about. Finally scored a used one on EBAY for less than $100 and read it today. It was a PO442 code which concerns the evap system. May be difficult to locate but at least I know it is a fairly common problem with lots of internet assistance and not an expensive engine fix.
The gauge also lets you monitor four engine readouts in the gauge mode in addition to being an OBD II tester.