Throttle position sensor,open or shorted to ground.
Trouble code P0171 Means: System too lean (bank 1)
Trouble code P1229 means: Spill Control Circuit Malfunction
what is a code 13 on a 2007 kenworth
Trouble code P1650 means: Cooing Fan Relay Circuit Fault
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0700 means:Transmission control system malfunction
Trouble code P0422 means: Main Catalyst (Bank 1) Efficiency Below Threshold
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0174 means: System too lean (Bank 2)
Trouble code P0480 means: Low Speed (No. 1) Fan Relay Control Circuit
Trouble code P1682 means: Ignition 1 Switch Circuit 2