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Fuel too rich on one side

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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paulluman
Posts: 15
Joined: 5 June 2011
Year and Model: S80 T6 1999
Location: Charleston, SC

Fuel too rich on one side

Post by paulluman »

Recently replaced air intake with a dry AEM filter and a low restriction exhaust system. Am now getting the check engine light and a too rich on one side diagnostic. Wus up ?

2007 S80 V8
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fn42
Posts: 103
Joined: 3 August 2011
Year and Model: 98 V70, 00 S80
Location: US

Post by fn42 »

What code are you getting? I would check for restrictions in the air intake setup, maybe check that the o2 sensors are in spec
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