Section 7 (Engine Controls - Basic Diagnostic Procedures): Introduction
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NOTE:
Information for Escort applies to Escort ZX2, unless otherwise indicated.
The following diagnostic steps will help prevent overlooking a simple problem. This is also where to begin diagnosis for a no-start condition. The first step in diagnosing any driveability problem is verifying the symptom(s) with a test drive under the conditions the problem reportedly occurred.
Before entering self-diagnostics, perform a careful and complete visual inspection. Most engine control problems result from poor electrical connections, damaged/misrouted vacuum hoses or mechanical breakdowns. Before condemning the computerized system, perform each inspection and test listed in this article.