1 page 1 Models J08C-TP and J08C-TR 3-1-10 ENGINE Symptom Possible cause Remedy/Prevention Rough idling G Clogged high pressure injection line ............. Replace line G Leakage due to improper tightening ............. Tighten sleeve nut of high pressure injection line G Improperly adjusted or broken ...................... Adjust or replace accelerator accelerator cable cable G Engine seizure .............................................. Replace pistons, piston rings G Incorrect valve timing .................................... Replace camshaft and liners Diesel knock Injection pump...............................................
Refer to “FUEL INJECTION PUMP” Nozzles G Incorrect injection pressure ........................... Adjust G Poor nozzle spray ......................................... Adjust or replace nozzle G Sticking of nozzle .......................................... Check and/or replace G Fatigued or broken nozzle spring ................. Replace spring Fuel system G Use of poor fuel............................................. Use good quality fuel G Fuel leakage into combustion chamber ........ Adjust nozzles (during engine starting) Other problems G Excessively cooled or heated engine ........... Warm up or cool engine G Insufficient air intake .....................................
Correct G Insufficient compression pressure ................ Repair G Compression pressure leaks at .................... Replace head gasket cylinder head gasket G Improper valve clearance or valve sticking ... Adjust or repair G Tappet sticking .............................................. Replace tappet and camshaft Other problems