Check Engine Light With Codes P0440, P0441, P0455, or P0456 on Lexus RX350

Problem Description and Possible Solution

The Check Engine Light may illuminate with various EVAP system related fault codes stored. Our technicians tell us that an updated fuel tank pipe sub-assembly is available to correct this concern.

Problem Data
RepairPal Verified
Average mileage: 85,000 (85,000–85,000)
2 model years affected: 2007, 2010
4 people reported this problem
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code of p0456, performed evap system smoke test. leak found at vent valve on charcoal canister. vent valve working electronically but not physically closing. ocst $1345