Town & Country Van V6-201 3.3L VIN R SMFI (1990)
Fuel Injector: All Technical Service Bulletins
Fuel Injectors - Rough Idle With Cold Engine
NO.: 18-04-91 Supp. A
GROUP:
DRIVEABILITY
DATE:
Sept. 9, 1991
SUBJECT:
Idle Roughness with Cold Engine - 1990-91 Vehicles with 3.3L and 3.8L Engines
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-04-91 DATED 4/22/91 WHICH SHOULD BE REMOVED
FROM YOUR FILES. NEW INFORMATION IS HIGHLIGHTED WITH >> ARROWS <<.
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH 3.3L AND >> 3.8L << ENGINES.
MODELS:
1990-91 (AC) DYNASTY/NEW YORKER SALON (AS) CARAVAN/GRAND CARAVAN/CARAVAN C/V VOYAGER/GRAND
VOYAGER/TOWN & COUNTRY (AY) IMPERIAL/NEW YORKER FIFTH AVENUE
SYMPTOM/CONDITION:
Vehicle may exhibit idle roughness when the transmission is in PARK or NEUTRAL. This condition will most likely occur when the engine is cold and
the ambient temperature is between 60~ F and 90~ F.
DIAGNOSIS:
Using a DRB II tester and the appropriate diagnostic procedure manual, verify that all vehicle engine systems are functioning as designed (no fault codes
are present). If all systems are functioning correctly proceed with the following repair.
PARTS REQUIRED:
1
Intake Manifold Plenum Gasket
4483619
1
Fuel Injector Package
4638395
Package Contents:
6
Fuel Injectors
4612175
1
Authorized Modification Label
4275086
REPAIR PROCEDURE:
This repair involves replacement of all six fuel injectors.
NOTE:
REPLACEMENT OF ALL SIX INJECTORS IS AUTHORIZED FOR THIS BULLETIN ONLY. IN ALL OTHER CASES, INJECTORS
SHOULD BE REPLACED INDIVIDUALLY.