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LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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<strong>Lombardini</strong> <strong>Engine</strong> <strong>Troubleshooting</strong> <strong>LTC</strong> <strong>Repair</strong><br />

5.13 General <strong>Engine</strong> <strong>Troubleshooting</strong><br />

Possible Cause Symptom<br />

<strong>Engine</strong> will not crank<br />

<strong>Engine</strong> does not start<br />

<strong>Engine</strong> starts, but stops<br />

68<br />

Poor acceleration<br />

Unsteady rpm<br />

Low fuel level <br />

Fuel supply/return lines<br />

clogged<br />

<br />

Clogged fuel tank vent <br />

Fuel pump faulty <br />

Fuel contaminated with air <br />

Unit injector(s) faulty/worn <br />

Unit injector settings incorrect <br />

Injection pump rack sticking <br />

Oil level too high <br />

Improper oil viscosity <br />

Oil diluted by fuel <br />

Oil pressure relief valve faulty<br />

Oil pick-up tube clogged<br />

Oil pump air contaminated at<br />

pick-up tube<br />

Black smoke<br />

Glow plugs faulty <br />

Glow plug controller faulty<br />

Glow plug relay inoperable<br />

Starter defective<br />

<br />

<br />

<br />

White smoke<br />

Blue smoke<br />

Low oil pressure<br />

<br />

<br />

<br />

Oil level rising<br />

Excessive oil consumption<br />

Wet exhaust<br />

Overheating<br />

<strong>Engine</strong> knocks

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