LEMON Manuals
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Ford
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2003
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Excursion 5.4 L, 4WD
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 3 (Engine Controls - System & Component Testing - 7.3L Diesel)
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Engine Performance Diagnostic Procedures
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Test 13: Exhaust Restriction
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Possible Causes
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Possible Causes
WARNING:
This page is about a different variant/trim than selected.
Collapsed tail pipe.
Clogged tail pipe.
Closed exhaust back pressure device.
Clogged catalytic converter.
Damaged muffler.