STEEL HORSES » troubleshoot http://www.hcvservice.com a site for auto crazies. Fri, 09 Jul 2010 23:15:27 +0000 en hourly 1 http://wordpress.org/?v=abc Engine troubleshooting Chart http://www.hcvservice.com/2009/01/engine-troubleshooting-chart/ http://www.hcvservice.com/2009/01/engine-troubleshooting-chart/#comments Thu, 29 Jan 2009 16:56:05 +0000 The M http://www.hcvservice.com/blog/?p=209 Hi SE’s,

This will help you to carry a handy chart for engine troubleshooting  rather than required whole book .

ENGINE FAULT FINDING CHART
Sl.no Fault Possible cause
1 Low cranking speed 1,2,3,4
2 Will not start 5,6,7,8,9,10,12,13,14,15,16,17,18,19,20,22,31,32,33
3 Difficult starting 5,7,8,9,10,11,12,13,14,15,16,18,19,20,21,22,24,29,31,32,33
4 Lack of Power 8,9,10,11,12,13,14,18,19,20,21,22,23,24,25,26,27,31,32,33
5 Misfiring 8,9,10,12,13,14,16,18,19,20,25,26,28,29,30,32
6 Excessive Fuel Consumption 11,13,14,16,18,19,20,22,23,24,27,28,31,32,33
7 Black Smoke 11,13,14,16,18,19,20,22,24,25,27,28,29,31,32,33
8 Blue/White Smoke 4,16,18,19,20,27,31,33,34,35,45
9 Low oil pressure 4,36,37,38,39,40,42,43,44,58
10 Knocking 9,14,16,18,19,22,26,28,29,31,33,35,36,45,46,59
11 Erractic Running 7,8,9,10,11,12,13,14,16,20,21,23,26,28,29,30,33,35,45,59
12 Vibration 13,14,20,23,25,26,29,30,33,45,48,49
13 High Oil pressure 4,38,41
14 Overheating 11,13,14,16,18,19,24,25,45,47,50,51,52,53,54,57
15 Excessive Crankcase Pressure 31,33,45,55
16 Poor Compression 11,19,25,28,29,31,32,33,34,46,59
17 Starts and Stops 10,11,12
Sl.no KEY TO FAULT FINDING CHART Sl.no KEY TO FAULT FINDING CHART
1 Battery level low 31 Worn Cylinder Bores
2 Bad electrical connections 32 Pitted valves and seats
3 Fault starter motor 33 Broken,worn or sticking Piston Rings
4 Incorrect grade of lub oil 34 Worn valve stem and guides
5 Low cranking speed 35 Chocked Air Cleaner
6 Fuel tank empty 36 Worn or Damaged bearings
7 Faulty stop control opertion 37 Insufficient oil in Sump
8 Blocked fuel feed pipe 38 Inaccurate Gauge
9 Faulty fuel lift pump 39 Oil Pump Worn
10 Choked fuel filter 40 Pressure relief valve sticking open
11 Restriction in air intake system 41 Pressure relief valve sticking closed
12 Air in fuel system 42 Brocken relief valve spring
13 Fualty fuel injection pump 43 Faulty Suction Pipe
14 Faulty atomisers or incorrect type 44 Chocked Oil Filter
15 Incorrect use of cold stat equipment(if Provided) 45 Piston Seizure/Pick-up
16 Faulty cold starting equipment(if Provided) 46 Incorrect piston height
17 Broken Fuel injection Pump Drive 47 Damaged Fan
18 Incorrect fuel pump timing 48 Faulty Engine Mounting(Housing)
19 Incorrect Valve timing 49 Incorrectly Aligned flywheel housing or Flywheel
20 Poor Compression 50 Faulty Thermostat
21 Blocked Fuel tank Vent 51 Restriction in water jacket
22 Incorrect type or Grade of Oil 52 Loose Fan belts
23 Sticking throttle or restricted movement 53 Choked Radiator
24 Exhaust pipe restriction 54 Faulty water Pump
25 Cylinder Head gasket leaking 55 Closed loop breathing leakage
26 Overheating 56 Damaged valve stem oil seal
27 Cold Running 57 Coolant level too low
28 Incorrect valve tip clearance 58 Blocked sump strainer
29 Sticking Valves 59 Broken Valve Spring
30 Incorrect High Pressure Pipes 60 Engine Oil Cooler Choked(If Fitted)

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