Caravan L4-156 2.6L VIN G 2-bbl (1985)
Carburetor Jet: Customer Interest
High "CO" At 2500 RPM Emission Test, Air Bleed Jet
Models
1984-1985 "S" Body 2.6L With Federal Emissions
Subject
High "CO" at 2500 RPM Emission Test
Index
EMISSIONS
Date
February 29, 1988
No.
25-01-88
P-666
(C25-02)
SYMPTOM/CONDITION
1984 and 1985 2.6L "S" body vehicles may fail state I/M emission tests for "CO" at 2500 rpm.
PARTS REQUIRED
Emission Package PN 4397622
Contains the following components:
1
Primary Air Bleed Jet #120
PN MD600613
1
Vacuum Bleed Off Valve
PN 4104184
1
Vacuum Delay Valve
PN 4306280
1
Fuel Inlet Orifice (.095")
PN 4418021
1
Vacuum Tee
PN 3671410
2
Tie Wraps
PN 6015756
Must be ordered separately:
1
Authorized Modification Label
PN 4275086
FIGURE 1
REPAIR PROCEDURE
This repair procedure involves replacement of the primary air bleed jet in the carburetor and the installation of a delay valve in the vapor canister purge