Troubleshooting schedule | ||
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Problem | Procedure |
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Engine does not start | There is no fuel in the fuel tank |
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| Air in fuel system |
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| Incorrect fuel type |
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| Ignition system inoperative |
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| Serious engine damage |
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Starter motor does not turn over the engine | Battery flat |
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| Poor contact affecting the battery terminal cable connections, ignition |
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| lock, or starter |
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| Power take off (PTO) activated |
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| Air in fuel system |
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| Fuse on or near the battery blown (check 2 off) |
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| Start lock broken |
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| The parking brake is not on |
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| Faulty or improperly adjusted parking brake switch |
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| Faulty starter motor |
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Engine does not run smoothly | Faulty relief valve |
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| Clogged fuel filter |
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| Air filter clogged |
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| Fuel tank vent blocked |
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| Low feed pressure |
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| Loose fuel pressure line (injector pipe) |
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| Faulty fuel injector |
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| Faulty injection pump |
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| Faulty feed pump |
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| Incorrect fuel type |
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| Serious engine damage |
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Abnormal exhaust smoke |
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Black smoke | Incorrect amount of fuel from injection pump |
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| Faulty fuel injector |
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| Incorrect timing of fuel injection pump |
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| Air filter clogged |
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Blue smoke | Engine oil level too high |
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| Serious engine damage |
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White smoke | Cylinder head gasket damaged |
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| Cylinder head cracked |
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| Engine oil level too high |
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Engine seems to have no power | Air filter clogged |
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| Air in fuel system |
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| Clogged fuel filter |
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| Faulty relief valve |
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| Low feed pressure |
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| Faulty feed pump |
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| Incorrect timing of fuel injection pump |
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| Serious engine damage |
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38 – English