It's a map/tps sensor correlation code, essentially it means the map
sensor reading isn't what's expected with the tps reading and vice
versa! It sounds like your tps sensor is probably bad or the circuit to
one of those 2 sensors.
Hope helps (remember rated this).
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I have same problem p0068 code dodge ram 2004 4.7 i have replaced tps,map,iat,cam and crank sensor,all spark plugs and coil packs, intake gaskets pcv valve, and new ecu now were else to go. any suggestions
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I had that problem with a 2005 ram 1500 4.7, turned out to be the egr valve
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