Engine Diagnosis - Introduction

ENGINE DIAGNOSIS - INTRODUCTION

Engine diagnosis is helpful in determining the causes of malfunctions not detected and remedied by routine maintenance.

These malfunctions may be classified as either performance e.g., (engine idles rough and stalls) or mechanical e.g., (a strange noise). Engine Diagnosis - Mechanical for possible causes and corrections of malfunctions.

Additional tests and diagnostic procedures may be necessary for specific engine malfunctions that can not be isolated with the Service Diagnosis charts. For additional Information on diagnosis and testing refer to the following tests:

- Cylinder Compression Pressure Leakage Cylinder Compression Pressure Test.
- Cylinder Combustion Pressure Leakage Cylinder Combustion Pressure Leakage Test.
- Checking Engine Oil Pressure Testing and Inspection.
- Cylinder Head Gasket Failure Testing and Inspection.
- Intake Manifold Leakage Testing and Inspection.