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What needs to be done with error codes P2187,P2189 on a 2004 volvo S80 2.9L?

Check engine light is on
Vehicle: 2004,Volvo,S80 2.9L
asked Mar 16, 2016 by Colin

1 Answer

P2187 Long fuel trim upper limit

P2189 Long fuel trim Bank 2 upper limit

Inspect for a vacuum leak, especially at the crankcase vacuum hose connection, This code is either caused by is a vacuum leak or the MAF (mass airflow)

​ Here a broken crankcase connection caused P2189

Here another sample of a vacuum leak

answered Mar 16, 2016 by Reynaldo (10,835 points)

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