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In the morning my car's engine ('88 L98) got rough idle (yanking, stuttering) so it is not running smoothly.
I checked ECM codes and I found code 32. This means EGR line failure.
If I change EGR valve can solve this problem? What should I check more? Thnak You.
There is an Egr solenoid on the rail on the driver side.Mine went bad.Replaced it and all worries gone Hope this can help you.Also check for a vacum leak.