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P2177 Diagnostic Trouble Code Discussion for March 2013

Fuel System Too Lean At Off Idle (Bank 1)

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Trouble Ticket Help Requests for DTC P2177
Help Request Posted
2005 Volvo XC90 2.5T 2.5L MIL Lamp on VIN: YV1CZ59265
P2177: lean off idle. Help 1 Came in for a smog. Failed it for a broken pcv vent tube. It runs from the oil separator to the valve cover. Replaced and passed smog. all monitors were run. 2 Returns 3 weeks later with a p0101 Maf. Smoke test complete intake system up to the maf. no...
March 13, 2013