What is a engine code P0172

Leslie Sturm

Asked by Jul 17, 2014 at 06:39 PM about the 2002 Chrysler 300M

Question type: Maintenance & Repair

I've got a Chrysler 300M and it
shows a engine code P0172
what is it? I've changed almost
everything:(any help is
appreciated, Thankx in advance

4 Answers


Try Googling it. There's a ton of information there that will help you.


http://www.obd-codes.com/p0172 -- check this out. Also could be dirty maf sensor or vacuum leak.

1 out of 1 people think this is helpful.
Best Answer
Leslie Sturm

Thank you, it was a vacuum leak that was causing smoke to come thru the vents, after bleeding the air from the line(heater core) (its running fine (so far) no problems:) Thankx for the help I got the car@auction 4a great price knowing it needed work, this site has been awesome! I now have a car:) I'm disabled & been without for almost 2 years! I had the heater chore, teasinor& water pump changed ! Thank you thank you thank you, I couldn't of done it without this site & the help given, Thankx again Leslie


Your welcome. Glad you got it going. Drive safe.

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