Escort L4-98 1.6L SOHC VIN 5 FI (1985)
The idle air by-pass service kit (F2PZ-9F939-A) includes the following items.
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One (1) Idle Adjust Spacer
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Two (2) Gaskets
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Two (2) Attaching Bolts
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One (1) "Attention" Sticker
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One (1) Instruction Sheet
Figure 2
Refer to Figure 2 for a pictorial of the kits components.
NOTE: EFFECTIVE WITH THIS TSB, THROTTLE BODY CLEANING IS NO LONGER COVERED UNDER 5/50 EMISSIONS WARRANTY,
UNLESS AS SPECIFIED IN THE FOLLOWING APPLICATION CHARTS. FAILURE TO FOLLOW THE CORRECT PROCEDURE MAY
RESULT IN THE CLAIM BEING DISALLOWED.
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.
Procedures, Warranty and Labor
CHECKS TO MAKE PRIOR TO SERVICE KIT INSTALLATION
Confirm that the following items are not causing the idle quality concern before proceeding with the service kit installation.
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Contamination within the idle air by-pass solenoid
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Lack of fuel system control (excessively rich or lean)
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Ignition timing change
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Incorrect or malfunctioning EGR system
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Incorrect or malfunctioning cooling system
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Vacuum leaks (air intake manifold, vacuum hoses, vacuum reservoirs, power brake booster where applicable)
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EEC diagnostics have been performed and vehicle malfunction indicated service output codes have been resolved and cleared.
