Install an idle air by-pass service kit (F2PZ-9F939-A) as applicable to provide a permanent correction for symptoms caused by throttle body sludge deposits. Refer to the instruction sheet included in the kit for installation details. Refer to Figure 1 for a specific application list of EFI (port fuel Injection) engines involved in this TSB article.
The idle air by-pass service kit (F2PZ-9F939-A) includes the following items.
Refer to Figure 2 for a pictorial of the kits components.
The idle air adjust spacer incorporates sludge tolerant design features that eliminate throttle body sludge related conditions. Once installed, throttle body cleaning is not allowed and periodic adjustment of the throttle body is not required.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage For 1993-95 Model Year Vehicles, Emissions Warranty Coverage For All Model Years
OASIS CODES: 404000, 490000, 499000, 607000, 607500, 608000, 608400, 609000, 609400, 611000, 611500
FUEL - USE OF UNLEADED GASOLINES - TIPS TO AVOID LEAN AIR - FUEL CONDITIONS