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HOMESERVICE MANUALSPLYMOUTH1994VOYAGER LE, 3.3 RREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/O CODES - GASOLINEINTRODUCTION
1994 Plymouth Voyager LE, 3.3 R

Engine Controls - Tests W/O Codes - Gasoline: Introduction

1994 Plymouth Voyager LE, 3.3 RSECTION Introduction
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section before disconnecting battery.

Before diagnosing symptoms or intermittent faults, perform steps in appropriate BASIC TESTING and G - TESTS W/ CODES article (if applicable) in the ENGINE PERFORMANCE section. See BASIC TESTING and G - TESTS W/ CODES TABLES for specific model. Use this article to diagnose driveability problems that exist when a hard fault code is not present.

G - TESTS W/ CODES

Model Article No.
Caravan & Voyager
2.5L TESTS W/CODES - 2.5L TBI
3.0L TESTS W/CODES - 3.0L
3.3L TESTS W/CODES - 3.3L GASOLINE
3.8L TESTS W/CODES - 3.8L
Dakota
2.5L TESTS W/CODES - 2.5L TBI
3.9L TESTS W/CODES - 3.9L
5.2L TESTS W/CODES - 5.2L
Pickup
3.9L TESTS W/CODES - 3.9L
5.2L TESTS W/CODES - 5.2L
5.9L TESTS W/CODES - 5.9L GASOLINE
8.0L TESTS W/CODES - 8.0L
Ram Van/Ram Wagon
3.9L TESTS W/CODES - 3.9L
5.2L TESTS W/CODES - 5.2L
5.9L TESTS W/CODES - 5.9L GASOLINE
Town & Country
3.8L TESTS W/CODES - 3.8L
Voyager
2.5L TESTS W/CODES - 2.5L TBI
3.0L TESTS W/CODES - 3.0L
3.3L TESTS W/CODES - 3.3L GASOLINE
3.8L TESTS W/CODES - 3.8L
F - BASIC TESTING

Model Article No.
Caravan & Voyager
2.5L BASIC TESTING - 2.5L
3.0L BASIC TESTING - 3.0L
3.3L BASIC TESTING - 3.3L GASOLINE
3.8L BASIC TESTING - 3.8L
Dakota
2.5L BASIC TESTING - 2.5L
3.9L BASIC TESTING - 3.9L
5.2L BASIC TESTING - 5.2L CNG
Pickup
3.9L BASIC TESTING - 3.9L
5.2L BASIC TESTING - 5.2L CNG
5.9L BASIC TESTING - 5.9L GASOLINE
8.0L BASIC TESTING - 8.0L
Ram Van/Ram Wagon
3.9L BASIC TESTING - 3.9L
5.2L BASIC TESTING - 5.2L
5.9L BASIC TESTING - 5.9L GASOLINE
Town & Country
3.8L BASIC TESTING - 3.8L
Voyager
2.5L BASIC TESTING - 2.5L
3.0L BASIC TESTING - 3.0L
3.3L BASIC TESTING - 3.3L GASOLINE
3.8L BASIC TESTING - 3.8L
NOTE: Some driveability problems may have been corrected by manufacturer with a revised Powertrain Control Module (PCM). Check with manufacturer for latest computer application.

Symptom checks can direct the technician to malfunctioning component(s) for further diagnosis. A symptom should lead to a specific component, system test or an adjustment specification.

NOTE: Malfunction Indicator Light (MIL) may also be referred to as CHECK ENGINE light.

Use intermittent test procedures to locate driveability problems that do not occur while the vehicle is tested. These problems may noticeably affect driveability or cause Malfunction Indicator Light (MIL) to glow. Also use these test procedures if a soft (intermittent) trouble code was present but no problem is found during self-diagnostic testing.

NOTE: For specific testing procedures, see appropriate I - SYS/COMP TESTS article in I - SYS/COMP TABLE. For specifications, see appropriate ADJUSTMENTS or SPECIFICATIONS article in ADJUSTMENTS and SPECIFICATIONS TABLES.
I - SYS/COMP TESTS

Model Article No.
Caravan & Voyager
2.5L SYSTEM/COMPONENT TESTS - 2.5L
3.0L SYSTEM/COMPONENT TESTS - 3.0L
3.3L SYSTEM/COMPONENT TESTS - 3.3L GASOLINE
3.8L SYSTEM/COMPONENT TESTS - 3.8L
Dakota
2.5L SYSTEM/COMPONENT TESTS - 2.5L
3.9L SYSTEM/COMPONENT TESTS - 3.9L
5.2L SYSTEM/COMPONENT TESTS - 5.2L GASOLINE
Pickup
3.9L SYSTEM/COMPONENT TESTS - 3.9L
5.2L SYSTEM/COMPONENT TESTS - 5.2L GASOLINE
5.9L SYSTEM/COMPONENT TESTS - 5.9L GASOLINE
8.0L SYSTEM/COMPONENT TESTS - 8.0L
Ram Van/Ram Wagon
3.9L SYSTEM/COMPONENT TESTS - 3.9L
5.2L SYSTEM/COMPONENT TESTS - 5.2L GASOLINE
5.9L SYSTEM/COMPONENT TESTS - 5.9L GASOLINE
Town & Country
3.8L SYSTEM/COMPONENT TESTS - 3.8L
Voyager
2.5L SYSTEM/COMPONENT TESTS - 2.5L
3.0L SYSTEM/COMPONENT TESTS - 3.0L
3.3L SYSTEM/COMPONENT TESTS - 3.3L GASOLINE
3.8L SYSTEM/COMPONENT TESTS - 3.8L
D - ADJUSTMENTS

Model Article No.
Caravan & Voyager
2.5L ADJUSTMENTS - 2.5L
3.0L ADJUSTMENTS - 3.0L
3.3L ADJUSTMENTS - 3.3L GAS
3.8L ADJUSTMENTS - 3.8L
Dakota
2.5L ADJUSTMENTS - 2.5L
3.9L ADJUSTMENTS - 3.9L
5.2L ADJUSTMENTS - 5.2L
Pickup
3.9L ADJUSTMENTS - 3.9L
5.2L ADJUSTMENTS - 5.2L
5.9L ADJUSTMENTS - 5.9L GASOLINE
8.0L ADJUSTMENTS - 8.0L
Ram Van/Ram Wagon
3.9L ADJUSTMENTS - 3.9L
5.2L ADJUSTMENTS - 5.2L
5.9L ADJUSTMENTS - 5.9L GASOLINE
Town & Country
3.8L ADJUSTMENTS - 3.8L
Voyager
2.5L ADJUSTMENTS - 2.5L
3.0L ADJUSTMENTS - 3.0L
3.3L ADJUSTMENTS - 3.3L GAS
3.8L ADJUSTMENTS - 3.8L
C - SPECIFICATIONS

Model Article No.
Caravan & Voyager
2.5L SPECIFICATIONS - 2.5L
3.0L SPECIFICATIONS - 3.0L
3.3L SPECIFICATIONS - 3.3L GASOLINE
3.8L SPECIFICATIONS - 3.8L
Dakota
2.5L SPECIFICATIONS - 2.5L
3.9L SPECIFICATIONS - 3.9L
5.2L SPECIFICATIONS - 5.2L
Pickup
3.9L SPECIFICATIONS - 3.9L
5.2L SPECIFICATIONS - 5.2L
5.9L SPECIFICATIONS - 5.9L GASOLINE
8.0L SPECIFICATIONS - 8.0L
Ram Van/Ram Wagon
3.9L SPECIFICATIONS - 3.9L
5.2L SPECIFICATIONS - 5.2L
5.9L SPECIFICATIONS - 5.9L GASOLINE
Town & Country
3.8L SPECIFICATIONS - 3.8L
Voyager
2.5L SPECIFICATIONS - 2.5L
3.0L SPECIFICATIONS - 3.0L
3.3L SPECIFICATIONS - 3.3L GASOLINE
3.8L SPECIFICATIONS - 3.8L
RENDER: 1.0x

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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.