8. Troubleshooting
8.1 Engine Troubleshooting
Engine Not Starting
Sr. No. Cause Action Taken
1 Fuel quantity less
Keep sufficient fuel in tank.
2 Unsteady Fuel flow
Check fuel tank, fuel filter and fuel lines for any bend or any
blockage. Clean or replace if required.
3 Air in the Fuel system
Check fuel pipes leakage, replace if found leak.
Check banjo, washers & O rings, replace if required.
Release air from fuel system.
4
Valve Clearance
Incorrect
Adjust Valve Clearance as recommended.
5 Injector Pressure
Check Injector Pressure, adjust if required as recommended.
6
Incorrect Fuel
Injection Timing
Check Fuel Timing & adjust if required by Spill Cut Off method.
7 FIP pressure low
Remove FIP and check it , at the OEM Service Centre. Calibrate
the FIP if required.
8
Low Compression
Pressure
Check Engine compression as recommended. If found less
remove Cylinder head and check valve seat leakage, rework it.
If found ok then check Piston Rings butt gap and Piston to Liner
Clearance. Any of those found more, then replace it.
Engine Stalls (Stop Running)
Sr. No. Cause Action Taken
1 Air in the Fuel system
Check fuel pipes leakage, replace if found leak.
Check banjo, washers & O rings, replace if required.
Release air from fuel system.
2 Low Oil Level Check the quantity of oil, top up if required.
3
Lube Oil Pump &
Strainer
Inspect Lube Oil Pump to see if it works normally. Replace if
required.
Check all oil ducts.
Check Strainer blockage. Clean it & replace if req.
4 Low Injector Pressure
Check Injector Pressure; adjust Injector pressure if required as
recommended.
5
Incorrect Fuel
Injection Timing
Check Fuel Timing & adjust if required by Spill Cut Off
method.
6 FIP pressure low
Remove FIP and check it, at the OEM Service Centre. Calibrate
the FIP if required.
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