Carburetor - Cold Engine Lope/Black Smoke

83chrysler6

Models


1983 318-4BBL Heavy Duty Trucks, Automatic & Manual Transmission, Federal & California Systems


Subject


Cold Rich Loading


Index


FUEL

Date September 26, 1983


No.


14-38-83

P-3573-C
SYMPTOM/CONDITION

After starting the engine cold the engine will start loping and emit black smoke from the tailpipe at idle and under load.

PARTS REOUIRED

1 - Authorized Modification Label PN 4275086

REPAIR PROCEDURE

1. Reset choke vacuum kick adjustment from .130" to .170" using the procedure outlined in the service manual.

2. Check and reset if necessary the hot fast idle speed.. Adjust to specification of 1800 rpm on Step 2 of fast idle cam using procedure outlined in the service manual.

FIGURE 1:

3. Type the following information on the Authorized Modification Label PN 4275086 (Figure 1).

Lower Section:

Change Authority - TSB #14-38-83.

Dealer Code - Your dealer code.

Date - Date this procedure is performed.

4. Apply the modification label next to or near the original VECI label.
POLICY: Reimbursable within the provisions of the warranty

TIME ALLOWANCE: Refer to Labor Operation Time Schedule Manual