Mazda Millenia This sedan, the flagship luxury sedan, offers both a naturally aspirated and supercharged model, so you can have your luxury, and, if you have a need for speed, big horsepower.

PO 170 & PO 173 codes

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  #1  
Old 10-21-2007, 08:03 PM
JJohnsonAZ's Avatar
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Default PO 170 & PO 173 codes

Hi All,
these are the codes for our 2002 Millie S. The Auto Zone folks said it is the mass air flow sensor. I see where it is in the compartment, but just acouple things...is this something I can replace on my own, and is there a good source or can I just have Auto Zone order it for me...~$195.00.
Thanks in advance for the help.
Jay
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Honda NSS250
 

Last edited by JJohnsonAZ; 01-25-2011 at 01:39 AM.
  #2  
Old 10-21-2007, 08:49 PM
Join Date: Feb 2006
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Default RE: PO 170 & PO 173 codes

Hey welcome to the forum, did you make sure it is bad? cause i had that code on my milly but its cause i had a vaccum leak after the mass sensor which triped the computer and i found the leak sealed it and instantly the code when away. just an option you can look at..see ya
 
  #3  
Old 10-21-2007, 08:52 PM
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Default RE: PO 170 & PO 173 codes

way to go. throw parts at it till the codes go away. i am continually amazed at what people believe. is it because autozone has a scanner, and can read from a book?

these are fuel trim codes. classic case of vacuum leaks, 50 bucks says it is one or both vacuum tees. the tees are a couple of bucks apiece, but the labor to change them is a few hours. easily done, or impossible, depending on your mechanical expertise. takes me about 2 hours, including breaks. you will have to remove the intake. or you can do like autozone says, replace the mas. but that aint it.
 
  #4  
Old 10-22-2007, 01:48 PM
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Default RE: PO 170 & PO 173 codes

thanks Tbird...I joined about a year ago, and rec'd a ton of help from babyhuey and just have not had any issues since then, but this is just a great forum to get ideas and such. I'll try to verify the cause. Appreciate the heads up.

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Last edited by JJohnsonAZ; 01-25-2011 at 01:40 AM.
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