Quote:
Originally Posted by Natalya
If it's bucking in lean burn and you cleaned the egr passages then the egr valve is the main culprit. I'm not sure if it could be something else. I don't know how to test it unless you have a friend with an Insight and a good EGR valve you can try who lives near you. It's not super hard to pull the valve out.
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I've tried unplugging the EGR valve and also replacing it with a block-off plate. Still had the bucking.