FixVault
Home
›
Hyundai
›
1992
›
Excel GL, Automatic
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/O Codes
›
Symptoms
›
Engine Runs Rough On Deceleration
Engine Runs Rough On Deceleration
Check ISC valve for malfunction.
Ensure fuel system pressure is correct.