2003 Dodge Ram 1500 P0138 and P0585 Code Help: MIL Light On, No Resolution After Gas Cap Check

Model: 2003 Dodge Ram Fault Code: P0138 Posted: 2008-11-16 16:25

I recently purchased a 2003 Dodge Ram 1500 in July and have very limited knowledge about vehicle mechanics. Last week, the Malfunction Indicator Lamp (MIL) came on, so I asked my mechanic to help diagnose the issue. As instructed, I turned the key three times, which triggered two diagnostic trouble codes: P0138 and P058