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plymouth Workshop Repair Guides


PB 150 V8-318 5.2L VIN T 2-BBL (1983)

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Idle Speed > System Information > Technical Service Bulletins > All Other Service Bulletins for Idle Speed: > Page 866

Page 4
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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

Technical Service Bulletin # 143883

Date: 830901

Carburetor - Cold Engine Lope/Black Smoke

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:

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Idle Speed > System Information > Technical Service Bulletins > All Other Service Bulletins for Idle Speed: > Page 866

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