Mahindra 60 Series - Troubleshooting Engine Operation; Engine Misfires and Idle Problems

89
60 Series 2WD/4WD, Model - 8560
Trouble Shooting
PROBABLE CAUSE POSSIBLE REMEDY
Air lock in fuel system .................................................... Check vent hole in tank filler cap.
Faulty valve action .......................................................... Check valve clearance. If valves are stuck, burnt or
warped, replace them.
Clogged fuel filter ........................................................... Replace filter element.
Lack of engine compression ........................................... *
Engine overheating ......................................................... *
Fuel injection timing incorrect........................................ *
Governor operating improperly/overflow valve faulty ... *
Fuel injection pump has lost its efficiency .................... *
Clutch plate slippage ...................................................... *
Brakes dragging .............................................................. Check brake linkages for free movement & adjust
free play.
Dirty or faulty injectors................................................... Have Mahindra dealer check injectors.
Restriction between compressor & intake manifold ...... Check and rectify.
Air leak between compressor & intake manifold .......... Check and rectify.
Air leak between intake manifold and engine .............. Check and rectify.
Foreign object in exhaust manifold (from engine) ........ *
Restricted exhaust system ............................................... Check and rectify.
Exhaust manifold cracked, gaskets blown or missing ... Check and replace.
Gas leak at turbine inlet/exhaust manifold joint ........... Check and replace.
Turbocharger malfunctioning .......................................... *
Engine Misfires
Restriction in engine air supply ...................................... Check air cleaning system.
Air lock in fuel system .................................................... Vent air from fuel system.
Poor compression............................................................ *
Sticking valves ................................................................. *
Fuel injection timing incorrect........................................ *
Vent in fuel tank cap obstructed ................................... Clean cap in solvent. Blow dry.
Low coolant temperature ............................................... Remove and check thermostat.
Clogged fuel filter ........................................................... Replace filter element.
Water, dirt, or air in fuel system ................................... Drain, flush, fill and bleed system.
Dirty or faulty injectors................................................... Have Mahindra dealer check injectors.
Improper type of fuel ..................................................... Use proper fuel. See Fuels and Lubricants section.
Engine solenoid linkage out of adjustment ................... *
Engine Does Not Idle Properly
Low idle rpm too less .................................................... Check and correct.
Restriction in fuel delivery .............................................. Inspect fuel system. Clean out fuel lines.
Injection nozzles defective .............................................. *
Injection timing incorrect ............................................... *
Excessive wear on throttle shaft .................................... *
Poor compression............................................................ *
Sticking valves ................................................................. *
Governor inoperative ...................................................... *
* See Mahindra Tractor Dealer