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Article No. 98-20-05	ROUGH IDLE - INJECTOR BORE SCUFFING DURING ENGINE BREAK-IN PERIOD - SERVICE TIP
Publication Date: SEPTEMBER 25, 1998

ISSUE:

Some 7.3L DIT engines exhibit rough idle and engine miss due to injector bore scuffing at green engine break-in.  This may be due to insufficient lubricity additive in some fuels.

ACTION:

For injectors serviced in the field, one bottle (12 ounce) of Injector Lubricity Additive (F8AZ-9C077-AA) must be added to the engine fuel tank at the time of injector replacement.  The additive has been shown to be effective in preventing premature wear during the injector break-in period.

OTHER APPLICABLE ARTICLES:

NONE

WARRANTY STATUS:

INFORMATION ONLY

OASIS CODES:

608000, 609000