ok guys heres my story. I couple weeks ago i went to start my truck and i noticed that i had a check engine lightr came on. the truck ran fine i didant notice anything wrong, so went to auto zone to have them pull the codes and this is what came up. EXHAUST BACK PRESSURE SENSOR CIRCUIT LOW INPUT
INTERNAL CONTROL MODULE..MODULE READ ONLY MEMORY(ROM) ERROR
ICP VOLTAGE NOT AT EXPECTED LEVEL

All three of these codes came up over night. like i said the truck ran fine. I drove it last night, now today i woke up got in my truck and it started bad. and really rough, was getting around 1000 degrees on my gauge and that just driving around town. It was shaking vary hard. i pulled over and the rear passenger valve cover gasket(glow plug wires) have been cut or clipped. how in the hell does that happin? please help

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ok so i figured out the codes and the wires going to the glow plugs. but have a new question...theres some red liquid coming from the front of the truck. looks like itsbehind the rad and before the motor?

 

Red fluid is obviously trans fluid.... Either coming from the cooler or the lines.