Fuel or oil leaking from exhaust manifold
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Diesel Trouble |
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| Cause | Correction | |
| Intake air restriction |
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Check/replace filter element. |
 |
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Review operation for excessive idling. |
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| Injector needle valve stuck open |
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Locate and replace malfunctioning injector. |
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| Obstructed turbocharger drain line |
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Check/clean line. |
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| Turbocharger seals leaking oil |
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Check/replace turbocharger. |