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2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
i have the 5.2 i have checked the o2 sensors nothing wrong with them checked the map sensor the plenum seems to be fine changed the plugs and wires the cat was gutted after this happened it wasnt the issue im running out of ideas as to what it can be it throws about 20 codes when i plug it in but there never the same codes
Sounds like your PCM is going bonkers. Did you disconnect battery when changing stuff? Even if you did, disconnect battery then cut your headlights on to drain the system. Then reconnect and see what happens.
If it's still going crazy it's time to start to tracing grounds