Used copy of Factory Softcover manual with shelf wear

This manual provides a step-by-step approach for diagnosing driveability, emission and powertrain control system symptoms for 2002 Ford 5.4L F-150 LPG, 5.4L F-150 CNG. It is used in conjunction with the Body, Chassis, Powertrian, Drivetrain Workshop Manuals and the Wiring Diagrams.

Contents:

• Bi-Fuel System

• Ignition System

• Fuel System

• Catalyst and Exhaust System

• Diagnostic Methods

• Symptom Charts

• Diagnostic Subroutines

• Pinpoint Tests

• Reference Values

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