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05 malibu P0401


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hairv
Novice

Sep 30, 2010, 6:52 AM

Post #1 of 4 (4639 views)
05 malibu P0401 Sign In

EGR P0401 Cleaned EGR and light came back, put new EGR on light came back. any ideas?

05 Chevy Malibu
3.4 62000


Thanks, this is very frustration


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 30, 2010, 7:12 AM

Post #2 of 4 (4631 views)
Re: 05 malibu P0401 Sign In

Low flow isn't caused by a dirty EGR. It's the passage through the intake that gets clogged up. It will clog where the passage gets the narrowest.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



DanD
Veteran / Moderator
DanD profile image

Sep 30, 2010, 8:05 AM

Post #3 of 4 (4625 views)
Re: 05 malibu P0401 Sign In

Yup P0401 Insufficient flow.
A can of aerosol air/intake cleaner and a coat hanger down the passageways; shame you went out and bought an EGR valve.
But school costs money and we all have to pay our dues; I guess?

Dan.

Canadian "EH"






hairv
Novice

Sep 30, 2010, 8:28 AM

Post #4 of 4 (4618 views)
Re: 05 malibu P0401 Sign In

Thanks for taking the time to help! your expertise is appreciated!






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