Pinpoint Tests RL: Fuel Vaporizer System: Introduction

NOTE: Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.

This pinpoint test is intended to diagnose the following:

fuel vaporizer system fuel pump
fuel vaporizer system glow plug
harness circuits: GND, VGPPWR, VGPRC, VPC and VPWR
PCM (12A650)

Fig 1: Powertrain Control Module-T (PCM-T) Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit