4cyl gm need manafold have a big hole by the intake just under the carb in the exg.need to find a new one.help.
Apr 20, 2007 at 1:55 AM
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BRUCE HUNT
CERTIFIED EXPERT
3,754 POSTS
Read the owners manual on how to clear that light. It generally, goes off every 10000 miles to remind you or lead you to the shop for them to look at the car. Reset it.
There are a few things but I would look at the plugs wires as one option and cleaning the EGR valve as other to start with.