Engine - Altitude Performance Adjustments: Overview

1985 Renault 18I/Sportwagon L4-2165cc 2.2LSECTION Overview
85renault1 30E745
AUGUST 1985
1985 AMC/JEEP/RENAULT MODELS
ENGINE Attention: Workshop, Parts Department


ALTITUDE PERFORMANCE ADJUSTMENTS

This I.S. Note outlines adjustment for optimum engine performance on 1985 AMC/Jeep/Renault models being operated at high or low altitudes.

When necessary, perform the engine adjustments outlined in the Adjustment Procedures portion of this I.S. Note. In addition, any 1985 model that is so adjusted must have a unique Emission Control Information Update label installed. The part numbers (P/N) for these unique labels are provided in the following Adjustment Procedures.

The adjustment procedures and unique labels must be made available at no cost to independent repair facilities and the general public. A notification is also provided in current owner's manuals to make customers aware of these adjustments. The Emission Control Information Update labels and technical information are available from:

Myriad 8835 General Drive Plymouth, MI 48170 1-800-AMC-CARS Operator 43


CONTENTS

1. 1985 Alliance/Encore 1.4L - 1.7L Engines and Fuego/Sportwagon 2.2L Engine
2. 1985 Cherokee/Wagoneer 70 Series 2.8L Gasoline and 2.1L Diesel Engines
3. 1985 Cherokee/Wagoneer 70 Series - CJ/Scrambler 2.46L Engine
4. 1985 Eagle - CJ/Scrambler - Grand Wagoneer/Truck 4.2L Engine
5. 1985 Grand Wagoneer/Truck 5.9L Engine


Filing Instructions

^ Record this I.S. Note on the index page of Chapter B, Engines, in the appropriate M.R. service manual.

^ File it in the M.R. 171 binder.
RENDER: 1.0x

NO RELATED

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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.