2006 Elantra 172 code

  • Thread starter Thread starter nothermark
  • Start date Start date
N

nothermark

Check engine light came on as I was going to work. Stopped by
Autozone and they read a 172 code - too rich.

Flipped and grabbed other vehicle.

What should I be checking tonight when I get home?

TIA
 
You don't have a K and N air filter do you? If so you have too much oil in
it. Throw it away and clean the MAF sensor.
If not , it still could be a dirty or bad MAF sensor. Or simple a vacuum
hose leak. or maybe a dozen other things.
What's your mileage? if not over 60K, take it back to the dealer (after you
get rid of the K and N filter)
 
Actual milage is around 92,000. It turned out to be a plogged air
filter. The input side of the box was full of cottony seed fluff and
that seems to have filled up the air filter. I cleaned it out and
changed the filter last night. Also reseated the MAF sensor cable.
Put around 200 miles on it today and it seems OK.
 

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