Fuel System - Vapor Lock/ Fuel Foaming: Overview

1985 Plymouth Horizon L4-135 2.2L SOHCSECTION Overview
86chrysler7

Models


1981 Through 1987 Omni/Horizon/ Charger/Turismo, Scamp & Rampage Vehicles (Includes Shelby & G.L.H. Models) Equipped With a 2.2L Carbureted Engine


Subject


Vapor Lock/ Fuel Foaming


Index

DRIVEABILITY


Date

November 24, 1986


No.

18-24-86 REVISION A

P-4239
This bulletin supersedes Technical Service Bulletins:

^ 14-48-84 for subject vehicles equipped with 2.2L engine.
^ 18-24-86, which should be removed from your files.
^ 18-24-86 SUPPLEMENT A, which should be removed from your files.

The model year application has been expanded to include 1981 through 1987 vehicles, as indicated in Technical Service Bulletin 18-24-86 SUPPLEMENT A, and to include later-built 1987 vehicles with a pressure regulator located near the carburetor fuel inlet.
RENDER: 1.0x

NO RELATED

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Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.