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Home >> Jeep >> 1997 >> Grand Cherokee 2WD V8-5.2L VIN Y >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Modes of Operation >> Introduction
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Introduction

INTRODUCTION

All engines are equipped with sequential Multi-Port Fuel Injection (MFI). The MFI system provides precise air/fuel ratios for all driving conditions.

Fig. 1 PCM:




The Powertrain Control Module (PCM) operates the fuel system.


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