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PleasureCraft Engine Group 5.0L - User Manual

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MEFI 4 / 4B
DIAGNOSTIC
MANUAL
5.0/5.7/6.0/8.1L
L510005P
11/05

Table of Contents

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Summary

Section 1 - General Information

ECM Self-Diagnostics and Malfunction Indicator Lamp (MIL)

Explains how the ECM performs self-diagnostics and uses the MIL to alert the operator.

Reading and Clearing Diagnostic Trouble Codes (DTCs)

Details the methods for retrieving and clearing stored diagnostic trouble codes.

MEFI On-Board Diagnostic (OBD) System Check

Outlines the initial diagnostic steps using the OBD system check procedure.

Service Precautions

Lists important safety precautions and requirements for working on MEFI engines.

Section 2 - Engine Control Module (ECM) and Sensors

Engine Control Module (ECM)

Details the ECM's function, memory types, and role as the system's control center.

ECM Inputs and Sensor Descriptions

Lists and describes various input components and sensors used by the ECM.

Section 3 A - Fuel Metering System - 5.0;5.7 L

Section 3 B - Fuel Metering System - 6.0 L

Section 3 C - Fuel Metering System - 8.1 L

General Description

Describes the operation of the fuel metering system and its components for 8.1L engines.

Fuel Supply Components (FCC System)

Details the fuel tank, pump, lines, and filter system.

Diagnosis

Provides diagnostic procedures for fuel system issues.

Section 4 A - Distributor Ignition (DI)

Section 4 B - Electronic Ignition (EI)

Ignition Coils

Details the multiple ignition coil configuration used in the EI system.

Section 5 - Diagnosis

OBD System Check

Outlines the initial diagnostic steps using the OBD system check procedure.

Diagnostic Trouble Codes (DTCs)

Lists and describes Diagnostic Trouble Codes (DTCs) and their possible causes.

Engine Controls Wiring Schematics

Provides wiring diagrams for engine control systems (6.0/8.1L and 5.0/5.7L).

Diagnostic Procedures (DP)

Step-by-step procedures for diagnosing various system faults and symptoms.

Section 7 - Symptoms

Hard Start Symptom

Troubleshooting steps for engines that crank but do not start or stall.

Section 8 - Master Specifications

PCM Master Engine Specifications

Provides key engine specifications for 2002-2004 models.

PCM Master Fuel Pressure Specifications

Lists fuel pressure specifications for various engine models and years.

PleasureCraft Engine Group 5.0L Specifications

General IconGeneral
BrandPleasureCraft Engine Group
Model5.0L
CategoryEngine
LanguageEnglish

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