HELP!!!

Just got in my car and the CE Light came on. Scanned it and it came up 0172 System too Rich(Bank 1)

Car idles up and down til you rev it then it smooths out.


HELP!!!

 

Oxygen Sensing Adaptation, Idle Range, Bank 1 –
Below Limit

Possible fault cause
♦ Incorrect signal from MAF sensor
♦ Fuel pressure too high
♦ Fuel injector leaking
♦ EVAP canister purge valve open

my guess is MAF

 

thanks...that seems logical i have a K&N kit that has been in there for a year so i dont think that is the cause perhaps just miles...I reset the CEL and im going to try some MAF cleaner tomorrow...

 

im goingto try some of that CRC MAF Cleaner...any thoughts??

 

I don't see any wrong doing by using the cleaner on the MAF. From time to time, I do remove the MAF and clean it with electronic cleaner. I just did a week ago. Also, I do have K&N intake too!

 

Daytrader how many miles on the K&N?

 

I think little more than 5K miles with a lot of aggressive driving. Why?

 

Just bought a used one off our marketplace.....

Read plenty of threads but figured I'd ask you also. Thus ballparking the supposed MAF issue.

 

Listen, that what I was afraid before I bought it. Found out later that MAF issue was involve with TT not NA. On top of that owners over sprayed oil cleaner on the filter. I have no problem since installed which involved many miles aggressively driving with the car. I only lightly oiled the filter every time I washed it.