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P0101 and P2188 codes

Everything on the Volvo S80. Sometimes called an "executive car", the S80 was Volvo's top-of-the-line passenger car. P2 platform.
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hu5ker555
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P0101 and P2188 codes

Post by hu5ker555 »

2005 S80 2.5T 160k

CEL comes on periodically with these two codes. Then it goes away, then comes back. Car is running OK, steady idle, good power.
Suggestions? I already cleaned up the MAF.

JRL
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Post by JRL »

P0101: Mass or Volume Air Flow Circuit Range/Performance Problem

I have no idea what 2188 is
Mod note. Jim passed away in early 2022, his contributions to this forum are immortal, and he is missed. RIP

2000 V70R Black, 144,000 miles Wife's R.
2007 V70 2.5T White/Oak 111,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.

hu5ker555
Posts: 182
Joined: 30 November 2011
Year and Model: 2008 S60, 2015 S60
Location: Kansas
Has thanked: 42 times
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Post by hu5ker555 »

P2188 is System too rich at idle (Bank 1).

I'm guessing there may be a vacuum leak somewhere. Any suggestions on where to look? Spray carb cleaner to find the leak? Smoke test?

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