FixVault
Home
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Nissan-Datsun
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1991
›
Sentra SE-R
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Repair and Diagnosis
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Engine Performance
›
System
›
Engine Controls - Tests W/O Codes
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Symptoms
›
Poor DRIVEABILITY
›
Detonation
Poor DRIVEABILITY: Detonation
Ensure there are no vacuum leaks into intake system.
Check EGR control valve operation.
Check EGR control valve solenoid operation.
Check spark plug for improper gap or fouling.