I have p0103 which is mass air flow sensor value too high. I have a brand new mass air flow sensor? Don't really know what to do? Also have p0172 and p0175 which is running rich on 2 different o2 sensors. More concerned about the maf and wondering if it is causing the o2 sensor fault. Really confused what the code actually means for the Maf and suggestions what to do? Any help much appreciated!

 

Most O2 codes are caused by the need of a tune up.
Running rich usually means weal spark, either worn out spark plug and or bad plug wires.

 

Accidentally posted this is D1 forum. Whatever. Opps. I have new plugs and wires!? I have no clue

 

old sensor and new one exact same Bosch number?

 

The previous owner installed the new MAF so whether the numbers match I wil never know. They are just pending codes. I am going to clear them and see what happens today.

 

PM me the numbers on the barrel of your Bosch MAF and I will go match them with mine.
Now that I see you have a D2, I will move you back to the D2 section.