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Loose Injector

This 7.3L fuel injector was likely the victim of improper installation or tightening though a cracked injector cup could also lead to this. Combustion gasses were allowed to pass the copper washer at the tip of the injector and melt the lower fuel o-ring. The damage is quite clear - observe the carbon between the tip and the o-ring.


© Keith Browning

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Fuel System Failures

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