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MAF and check engine light

Help, Advice, Owners' Discussion and DIY Tutorials on the Volvo S80 model. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car.
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Michael666
Posts: 16
Joined: Tue Jul 31, 2018 7:52 am
Year and Model: 2002 s80
Location: Germany
Germany

MAF and check engine light

Post by Michael666 » Sun Oct 14, 2018 10:12 am

I fixed the biggest problem of my car. Now come a lot more. Basically ever since I bought the car the CEL was on. I was told that Volvo found no issue and everything is fine. BOught a cheap ebay scanner and got a whole bunch of error codes. All to do with a wrong (too rich) fuel mixture.
I finally found some time to check this out in more depth. Before that I fixed the cracked intake pipe which didn't solve the issue.
I tested the MAF with a multimeter. Cold start and let it calm down to idle (between 700 and 800rpm i guess). It settled around 1.42 Volts. That seems way to much and a faulty sensor or am I wrong?

Error codes are:
0175 -stored
0172 -stored
0422 -stored
0432 -stored
0432 -stored
2180 -pending
2178 -pending

not sure what pending is supposed to tell me.

Thanks in advance. Any help would be greatly appreciated :P
I need good news.

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