Ron starts this episode talking about diagnosis and the importance of such : takes a call on a 12 Lexus with a check engine light – mechanic did a tune up – check engine light came back on – took it to the dealership who said it needs an engine : takes a call on an 04 Mitsubishi Galant with AC issues : takes a call on an 07 Escape with intermittent electric door locks and alarms.

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