Preliminary Checks

Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure steps in BASIC DIAGNOSTIC PROCEDURES - 1.8L VIBE article and SELF-DIAGNOSTICS - 1.8L VIBE article were performed before diagnosing a symptom. The following symptoms are available for diagnosis:

• Hard Start 
• Surges/Chuggles 
• Lack Of Power, Sluggishness Or Sponginess 
• Detonation/Spark Knock 
• Hesitation, Sag, Stumble 
• Cuts Out, Misses 
• Poor Fuel Economy 
• Poor Fuel Fill Quality 
• Rough, Unstable, Or Incorrect Idle & Stalling 
• Dieseling, Run-On 
• Backfire 
• Restricted Exhaust 
• Engine Cranks But Does Not Run. See ENGINE CRANKS BUT DOES NOT RUN under NO-START DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES - 1.8L VIBE article.
• Malfunction Indicator Light Inoperative. Go to MIL INOPERATIVE under SYSTEM TESTS in SELF-DIAGNOSTICS - 1.8L VIBE article.
• Malfunction Indicator Light Always On. Go to MIL ALWAYS ON under SYSTEM TESTS in SELF-DIAGNOSTICS - 1.8L VIBE article.