Fuel Injectors & Pumps

Section 6.2 Seized Injector

Section 6.2
Seized Injector

For a seized injector, see Figure "Seized Injector Failure" .‪

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Figure 1. Seized Injector Failure

COMPLAINT: Misfire, Noisy (slapping), erratic running.‪

CAUSE: Plunger seized, incorrect plunger/body match (failure with less than 1,000 miles, suggests contamination in fuel system).‪

CORRECTION: Replace unit injector‪

RECOMMENDATION: Check fuel quality for water in fuel. Check fuel temperature.‪


Unit Fuel Injectors and Unit Pumps Technician's Guide - 7SE500
Generated on 10-13-2008

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