Spirit V6-181 3.0L SOHC (1990)
Fuel Injector: Customer Interest
Fuel Injectors - Long Crank Time to Start
Models
1983-1990 S/AS Body, 1988-1990 C/AC Body, 1989-90 AA-Body and 1990 AG and AJ Bodies With 3.0L Engine
Subject
Long Crank Time Before Starting Leaking Fuel Injectors
Index
DRIVEABILITY
Date
December 22, 1989
No.
18-11-89
REVISION A
(C18-29-9)
P-4406
BODY CODE LEGEND
AA
- SPIRIT/ACCLAIM/LEBARON LANDAU
C/AC
- DYNASTY/NEW YORKER LANDAU/SALON
AG -
DAYTONA
AJ
-
LEBARON (COUPE/CONVERTIBLE)
S/AS
-
CARAVAN/GRAND CARAVAN/CARAVAN C/V
VOYAGER/GRAND VOYAGER/TOWN & COUNTRY
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-11-89, Dated 8/21/89, WHICH SHOULD BE REMOVED FROM YOUR
FILES.
SYMPTOM/CONDITION
As vehicle mileage accumulates, the owner may notice that the vehicle has longer crank time (3 seconds or longer) before starting. This could occur after
either cold or hot soak periods. If the customer complaint is long crank time, use the following procedure. Do not use any other diagnostic tests.
PARTS REQUIRED
2 Plenum Gaskets
PN MD094128
1 EGR Gasket (for '87 & '88)
PN MD103625
1 Vacuum Tee (1/4 x 1/4 x 1/4)
PN 4306994*
1 Vacuum Connector (1/4 x 1/4)
PN 4201275*
*NOTE:
THESE COMPONENTS ARE REUSABLE AND CAN BE USED FOR
TESTING OF SUBSEQUENT VEHICLES. THE EXACT VACUUM TEE AND VACUUM CONNECTOR MUST BE USED FOR THIS
TEST. THE USE OF OTHER SIZE TEES OR CONNECTORS WILL RESULT IN INVALID TEST RESULTS. ALL OTHER
EQUIPMENT MUST BE USED AS SPECIFIED.
REPAIR PROCEDURE
This procedure outlines the diagnosis of leaking fuel injectors, which may cause long crank time before starting.
1.
Start and run engine until it reaches operating temperature. Wait until radiator fan cycles twice, then turn off engine. This procedure must be
performed while the engine is at normal operating temperature.
2.
Remove shop exhaust hose from tailpipe, if it was connected during engine warm-up.
3.
Remove air inlet duct to the throttle body. Remove throttle linkage. On 1987 and 1988 vehicles, remove the EGR tube attached to the intake
plenum. Remove top of intake plenum.
