Trouble Ticket Help Requests for DTC P2121
|2004 Dodge Ram 2500 SLT 5.9L Stall VIN: 3D7KU28C54
P2121: APP Sensor Circuit Range/Performance. Old injectors caused cylinder scoring, low compression and blowby. We pulled the engine and had rebuilt, then reinstalled. Starts and idles fine, as soon as you take off it cuts out as if you turned off the key, sets the above trouble codes. When it cuts out t...
|May 08, 2014|