Egr code p0401

2001 PONTIAC BONNEVILLE
218,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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TOBY DALE STICKNEY
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I keep getting this p0401 code. i changed out the EGR valve made sure the EGR tubes were clean and changed out the map sensor. i am at my wits end. can you please help?
Jan 19, 2018 at 6:13 PM
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HARRY P
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Attached is ALLData's information on the problem. It details how the system works and what to check regarding that code. So look through it and check the various potential problems, and see what you can find. Good luck and keep us posted.
Jan 19, 2018 at 7:09 PM
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TOBY DALE STICKNEY
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  • 4 POSTS
all this helped thanks the engine light is off.
Feb 22, 2018 at 1:08 PM
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HARRY P
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Glad to be a help! Please come back any time.
Feb 22, 2018 at 6:32 PM