fault codes 260A & 261A

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Can anyone help please i have got a 2001 V70r 195 kw love the car except for the engine light always being on 12 months now
So far i have replaced O2 sensor front one $560
Then eletronic throtle body $980
One month later light back on Each time the codes are pulled out by volvo
10-11 times now upper fuel limit is the cause . Last time lower fuel limit was also there.
So we did a pressure test in inlet side from mass air flow onwards no leaks found clear codes again and yesterday engine light came back on
I am in Australia where parts are like poison and no one can read fault codes except volvo . Im tols they are OBD11 with encription
To day i priced a mass air flow $663 Aus so i dont want to by it unless it is a fix

[Tsquared]

Are you running a K&N air filter or another Oil bath filter?

The MAF can get dirty and they rarely go bad unless they are abused when they are cleaned.

See: https://www.matthewsvolvosite.com/chat/p ... php?t=2115