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Old 05-05-2011, 12:51 PM   #1
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engine code help needed

Po401 code what could it be
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Old 05-05-2011, 12:53 PM   #2
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Re: engine code help needed

EGR issue? we have a table somewhere with those here, let me see if i can find them

also http://www.obd-codes.com/p0401
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Old 05-05-2011, 12:55 PM   #3
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Re: engine code help needed

P0104 - Mass or Volume Air Flow Circuit Intermittent
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Old 05-05-2011, 12:59 PM   #4
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Re: engine code help needed

MAF issues...if the car is surging or running rough you might be in need of a new MAF or EGR...it could be the DPFE sensor that needs to be replaced, that measures the exhaust gases traveling thru the EGR.
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Old 05-05-2011, 01:31 PM   #5
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Re: engine code help needed

a maf is easy to clean you can try that to see if it gets better etc, its easy to replace as well go to a junk yard and yank one lol should be cheap
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