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Cause of Low Cranking Speed?
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1
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Battery capacity low/discharge.
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2
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Bad or loose electric connection.
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3
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Faulty starter motor.
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4
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Incorrect of engine oil.
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5
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Excessive cold weather.
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6
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Engine partially seized.
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The engine will not Start?
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1
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Engine needs overhauling.
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2
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Fuel tank empty.
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3
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Low cranking speed.
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4
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Filter (Zali) on/off cock partially chocked.
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5
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Pulled engine stop leaver.
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6
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Faulty FIP feed pump.
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7
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Chocked fuel filter.
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8
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Air cleaner chocked.
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9
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Air in fuel system.
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|
10
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Faulty FIP or rack jammed.
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11
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Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
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12
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Incorrect FIP timing/valve timing.
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13
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Poor compression.
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14
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In - correct grade of fuel.
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15
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Worn out of cylinder Liner.
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16
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Pitted & worn valve seat.
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17
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Piston rings broken/sickly/partially seized.
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18
|
Leakage from high pressure pipes.
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19
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Leakage between Injector & Cylinder.
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20
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Excessive Engine back pressure/restriction in
Exhaust system.
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21
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Wrong tappet setting.
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22
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Head gasket leakage.
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23
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Main/Big end bearing worn out & excessive
play in Crank shaft.
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24
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Engine seized or valve sticky.
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|
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Difficult in Starting?
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1
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Excessive cold weather.
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2
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Low cranking speed.
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3
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Filter (Zali) on/off cock partially chocked.
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4
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Faulty FIP feed pump.
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5
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Chocked fuel filter.
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6
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Air cleaner chocked.
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7
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Air in fuel system.
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8
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Faulty FIP or rack jammed.
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9
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Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
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10
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Incorrect FIP timing/valve timing.
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11
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Poor compression.
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12
|
In - correct grade of fuel.
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13
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Worn out of cylinder Liner.
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14
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Pitted & worn valve seat.
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15
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Piston rings broken/sickly/partially seized.
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16
|
Leakage from high pressure pipes.
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17
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Hole of fuel tank cap blocked.
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18
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FIP over flow valve leakage/jam.
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19
|
Water in diesel.
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Engine start but Stop?
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1
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Engine needs over hauling.
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2
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Fuel tank is empty.
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3
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Faulty FIP feed pump.
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4
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Chocked fuel filter.
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5
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Air cleaner chocked.
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6
|
Air in fuel system.
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|
7
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Faulty FIP or rack jammed.
|
|
8
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
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|
9
|
Incorrect FIP timing/valve timing.
|
|
10
|
Poor compression.
|
|
11
|
Incorrect grade of fuel.
|
|
12
|
Worn out of cylinder Liner.
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|
13
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Pitted & worn valve seat.
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|
14
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Piston rings broken/sickly/partially seized.
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|
15
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Leakage from high-pressure pipes.
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16
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Hole of fuel tank cap blocked.
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17
|
One or more Cylinders not working.
|
|
Lack of power?
|
|
1
|
Engine needs overhauling
|
|
2
|
The fuel fuel tank is empty.
|
|
3
|
Faulty FIP feed pump.
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|
4
|
Chocked fuel filter.
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|
5
|
Air cleaner choked.
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|
6
|
Air in the fuel system.
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|
7
|
Faulty FIP or rack jammed.
|
|
8
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
9
|
Incorrect FIP timing/valve timing.
|
|
10
|
Poor compression.
|
|
11
|
Incorrect grade of fuel.
|
|
12
|
Worn out of cylinder Liner.
|
|
13
|
Pitted & worn valve seat.
|
|
14
|
Broken/sticky/partially seized piston rings.
|
|
15
|
Leakage in High-Pressure Pipes.
|
|
16
|
Excessive Engine back pressure/restriction in
Exhaust system.
|
|
17
|
Wrong tappet setting.
|
|
18
|
Head gasket leakage.
|
|
19
|
Main/Big end bearing worn out & excessive
play in Crank shaft.
|
|
20
|
Hole of fuel tank cap blocked.
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|
21
|
FIP over flow valve leakage/jam.
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22
|
Water in diesel.
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23
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One or more Cylinder not working.
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|
24
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Engine running cold.
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25
|
No proper setting of accelerator linkage.
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26
|
Maximum speed (Fly Up) less.
|
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27
|
De - rating due to height/low atmospheric
Pressure.
|
|
28
|
Wrong Governor setting.
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|
29
|
Injector tips protrusion not proper.
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30
|
Bumping clearance not proper.
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|
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Cause of Miss - Firing?
|
|
1
|
Filter (Zali) on/off cock partially chocked.
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2
|
Faulty FIP feed pump.
|
|
3
|
Fuel filter chocked.
|
|
4
|
Air in fuel system.
|
|
5
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
6
|
Incorrect FIP timing/valve timing.
|
|
7
|
Pitted & worn valve seat.
|
|
8
|
Wrong tappet setting.
|
|
9
|
Head gasket leakage.
|
|
10
|
Water in diesel.
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|
11
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Injector tips protrusion not proper.
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12
|
Sticky valve.
|
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Cause of Excessive Fuel Consumption?
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1
|
Restriction in air cleaner.
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2
|
Faulty FIP/Rack jam.
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|
3
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
4
|
Incorrect FIP timing/valve timing.
|
|
5
|
Poor compression.
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|
6
|
An incorrect grade of Fuel.
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|
7
|
Worn out of cylinder Liner.
|
|
8
|
Pitted & worn valve seat.
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|
9
|
Broken/sticky/partially seized piston rings.
|
|
10
|
Leakage in High-Pressure Pipes.
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|
11
|
Leakage between Injector & Cylinder Head.
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|
12
|
Excessive Engine back pressure/restriction in the
Exhaust system.
|
|
13
|
Wrong tappet setting.
|
|
14
|
Head gasket leakage.
|
|
15
|
Engine running cold.
|
|
16
|
Maximum speed (Fly Up) less.
|
|
17
|
De - rating due to height/low atmospheric
Pressure.
|
|
18
|
De - rating due to heat.
|
|
19
|
Injector tips protrusion not proper.
|
|
20
|
Bumping clearance not proper.
|
|
21
|
Inside/outside leakage of diesel.
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22
|
Ideling speed more.
|
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23
|
Low opening pressure of Injector.
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|
24
|
Engine overloading.
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|
25
|
Brake jam.
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|
26
|
No proper use of speed according to implement.
|
|
27
|
Clutch plate worn out.
|
|
28
|
Tyre pressure less.
|
|
29
|
Continue running of ideal speed.
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|
|
|
|
|
Cause of Black Smoke?
|
|
1
|
Restriction in air cleaner.
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|
2
|
Faulty FIP/Rack jam.
|
|
3
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
4
|
Incorrect FIP timing/valve timing.
|
|
5
|
Poor compression.
|
|
6
|
Incorrect grade of Fuel.
|
|
7
|
Worn out of cylinder Liner.
|
|
8
|
Broken/sticky/partially seized piston rings.
|
|
9
|
Wrong tappet setting.
|
|
10
|
One or more Cylinder not working.
|
|
11
|
Excessive Engine back pressure/restriction in
Exhaust system.
|
|
12
|
Head gasket leakage.
|
|
13
|
Main/Big end bearing worn out & excessive
play in Crank shaft.
|
|
14
|
De - rating due to height/low atmospheric
Pressure.
|
|
15
|
Injector tips protrusion not proper.
|
|
16
|
Sticky valve.
|
|
17
|
Engine overloading.
|
|
18
|
FIP delivery valve jam/spring broken.
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|
|
Cause of Blue Smoke?
|
|
1
|
Incorrect grade of Engine oil.
|
|
2
|
Worn out of cylinder Liner.
|
|
3
|
Broken/sticky/partially seized piston rings.
|
|
4
|
More Engine oil in Sump.
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|
5
|
Worn out valve steam and vale guide.
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|
6
|
Over full of Air Cleaner/pullover of Engine oil.
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|
|
Cause of White Smoke?
|
|
1
|
Incorrect FIP timing/valve timing.
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2
|
Water in diesel.
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3
|
Engine running cold.
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4
|
Breakage of Cylinder liner.
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|
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Cause of Erratic - Running?
|
|
1
|
Filter (Zali) on/off cock partially chocked.
|
|
2
|
Pulled engine stop leaver.
|
|
3
|
Faulty FIP Feed Pump.
|
|
4
|
Restriction in air cleaner.
|
|
5
|
Air in fuel system.
|
|
6
|
Faulty FIP/Rack jam.
|
|
7
|
Fuel filter chocked.
|
|
8
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
9
|
Poor compression.
|
|
10
|
Broken/sticky/partially seized piston rings.
|
|
11
|
Wrong tappet setting.
|
|
12
|
One or more Cylinder not working.
|
|
13
|
Sticky valve.
|
|
14
|
Engine overheating.
|
|
15
|
FIP coupling gear mounting nut loose.
|
|
16
|
Crank shaft balancing weight inter changed.
|
|
|
Cause of vibration?
|
|
1
|
Faulty FIP/Rack jam.
|
|
2
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
3
|
Poor compression.
|
|
4
|
Worn out of cylinder Liner.
|
|
5
|
Broken/sticky/partially seized piston rings.
|
|
6
|
Wrong tappet setting.
|
|
7
|
Head gasket leakage.
|
|
8
|
Main/Big end bearing worn out & excessive
play in Crank shaft.
|
|
9
|
Sticky valve.
|
|
10
|
Engine overheating.
|
|
11
|
FIP coupling gear mounting nut loose.
|
|
12
|
Crank shaft balancing weight inter changed.
|
|
|
Cause of Overheating?
|
|
1
|
Incorrect grade of Engine oil.
|
|
2
|
Restriction in air cleaner.
|
|
3
|
Faulty FIP/Rack jam.
|
|
4
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
5
|
Incorrect FIP timing/valve timing.
|
|
6
|
Broken/sticky/partially seized piston rings.
|
|
7
|
Excessive Engine back pressure/restriction in
Exhaust system.
|
|
8
|
Head gasket leakage.
|
|
9
|
Sticky valve.
|
|
10
|
Engine overloading.
|
|
11
|
Brake jam.
|
|
12
|
No proper use of speed according to implement.
|
|
13
|
Clutch plate worn out.
|
|
14
|
Tyre pressure less.
|
|
15
|
Damaged fan/incorrect fan.
|
|
16
|
Faulty Thermostat valve.
|
|
17
|
Loose fan belt.
|
|
18
|
Faulty water pump.
|
|
19
|
Coolant level low.
|
|
20
|
Radiator pressure cap incorrect.
|
|
21
|
Spring/rubber ring sealing broken of radiator
cap.
|
|
22
|
Excess carbon in combustion chamber.
|
|
23
|
Oil passage closed.
|
|
24
|
Radiator fins chocked.
|
|
25
|
No proper setting of radiator cowl.
|
|
26
|
Faulty temperature gauge.
|
|
27
|
No oil change at proper time.
|
|
28
|
Excessive hot weather.
|
|
|
Cause of High Oil Pressure?
|
|
1
|
Incorrect grade of Engine oil.
|
|
2
|
Oil passage closed.
|
|
3
|
Faulty oil pressure gauge.
|
|
4
|
Pressure Relief valve sticks closed.
|
|
|
Cause of Low Oil Pressure?
|
|
1
|
Incorrect grade of Engine oil.
|
|
2
|
Engine needs over hauling.
|
|
3
|
Main/Big end bearing worn out & excessive
play in Crank shaft.
|
|
4
|
Faulty oil pressure gauge.
|
|
5
|
Less oil in sump.
|
|
6
|
Oil pumps gear worn.
|
|
7
|
Pressure Relief valve sticks open.
|
|
8
|
Broken relief valve spring.
|
|
9
|
Suction pipe joints loose.
|
|
10
|
Oil filter chocked.
|
|
11
|
Suction strainer chocked.
|
|
|
Cause of Excessive Back pressure?
|
|
1
|
Worn out of cylinder Liner.
|
|
2
|
Broken/sticky/partially seized piston rings.
|
|
3
|
Head gasket leakage.
|
|
4
|
Worn out valve steam and valve guide.
|
|
5
|
Reverse fitment of piston rings.
|
|
6
|
Incorrect gap of piston rings.
|
|
|
Cause of Poor Compression?
|
|
1
|
Restriction in air cleaner.
|
|
2
|
Worn out of cylinder Liner.
|
|
3
|
Incorrect Valve timing.
|
|
4
|
Pitted and worn valve seat.
|
|
5
|
Broken/sticky/partially seized piston rings.
|
|
6
|
Wrong tappet setting.
|
|
7
|
Bumping clearance not proper.
|
|
8
|
Sticky valve.
|
|
9
|
Worn out valve steam and valve guide.
|
|
10
|
Incorrect gap of piston rings.
|
|
|
Cause of Knocking?
|
|
1
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
2
|
In - correct FIP timing/valve timing.
|
|
3
|
In - correct grade of fuel.
|
|
4
|
Worn out of cylinder Liner.
|
|
5
|
Broken/sticky/partially seized piston rings.
|
|
6
|
Wrong tappet setting.
|
|
7
|
Main/Big end bearing worn out & excessive
play in Crank shaft.
|
|
8
|
One or more Cylinder not working.
|
|
9
|
Bumping clearance not proper.
|
|
10
|
Sticky valve.
|
|
11
|
Over full of Air Cleaner/pullover of Engine oil.
|
|
12
|
Engine overheating.
|
|
13
|
FIP phasing out.
|
|
14
|
Breakage of delivery valve spring jam.
|
|
15
|
Injector opening pressures more.
|
|
|
Engine start and stop?
|
|
1
|
Clogged fuel filter.
|
|
2
|
Air in fuel system.
|
|
3
|
Restriction in air cleaner.
|
|
4
|
Broken/sticky/partially seized piston rings.
|
|
|
|
|
Cause of Crank Case dilution?
|
|
1
|
Excessive cold weather.
|
|
2
|
Restriction in air cleaner.
|
|
3
|
Faulty FIP/Rack jam.
|
|
4
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
5
|
Incorrect FIP timing/valve timing.
|
|
6
|
Incorrect grade of Fuel.
|
|
7
|
Worn out of cylinder Liner.
|
|
8
|
Broken/sticky/partially seized piston rings.
|
|
9
|
One or more Cylinder not working.
|
|
10
|
Engine running cold.
|
|
11
|
Continue running of idealing speed.
|
|
12
|
Faulty Thermostat valve.
|
|
13
|
Excess capacity of water pump fan.
|
|
|
Excessive Oil Consumption?
|
|
1
|
Incorrect grade of Engine oil.
|
|
2
|
Worn out of cylinder Liner.
|
|
3
|
Broken/sticky/partially seized piston rings.
|
|
4
|
Worn out valve steam and valve guide.
|
|
5
|
Reverse fitment of piston rings.
|
|
6
|
Incorrect gap of piston rings.
|
|
7
|
Excess oil in sump.
|
|
8
|
Leakage of oil from Engine parts/seals.
|
|
9
|
Excessive depth and improper honing.
|
|
|
Earlier Failure of Cylinder liner of
piston rings?
|
|
1
|
Incorrect grade of Engine oil.
|
|
2
|
Restriction in air cleaner.
|
|
3
|
Faulty injector/hole blocked/needle jams/spray
not proper/Dribbling
|
|
4
|
Incorrect FIP timing.
|
|
5
|
Poor compression.
|
|
6
|
Incorrect grade of Fuel.
|
|
7
|
Continue running of idealing speed.
|
|
8
|
Hot running of Engine.
|
|
9
|
Engine oil not changed.
|
|
10
|
Loose/missing hose clamps.
|
|
11
|
Burst/damaged air hoses.
|
|
|
|
|
Earlier failure of Fuel Injection
equipment?
|
|
1
|
Clogged fuel filter.
|
|
2
|
Spurious Diesel filters.
|
|
3
|
Water in diesel. & No oil top - up/replaced in time in FIP.
|
|
|
|
