1996 Chevy Lumina 6 cyl Front Wheel Drive Automatic
Engine bogs down at 50mph. Also when engine is revved
up it starts to surge around 3500 rpm.
3.1 engine. I did have a p0401 code but replaced the
egr valve and seem to fix the problem.
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Monday, October 25th, 2010 AT 9:45 PM