The TIGHTEN FUEL CAP message is on or DTC P0455 (EVAP system large leak) and/or DTC P0456 (EVAP system...
Acura technical service bulletin Service Bulletin for 2013-2015 Acura RDX.
- Bulletin number
- Service Bulletin
- Component
- Fuel system, gasoline: storage: tank assembly: filler pipe and cap
- Summary
- Service bulletin - The TIGHTEN FUEL CAP message is on or DTC P0455 (EVAP system large leak) and/or DTC P0456 (EVAP system very small leak detected) set. During short drive cycles, the PCM may misinterpret inputs from the evaporative system.
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