Honda P1456: EVAP System Leak Detected (Fuel Tank Area)
Is your scanner showing Honda P1456?
No worries. We'll show you what it means and how to deal with it.
Honda P1456: EVAP System Leak Detected (Fuel Tank Area)
OVERVIEWWhat Does The Honda P1456 Code Mean?
Cold startup completed (IAT sensor signal from 32-86ºF at engine startup), vehicle driven at over 5 mph for over 2 minutes, then with ECT sensor signal more than 154ºF and the EVAP Control and Vent solenoids enabled, the PCM detected the fuel tank pressure
What Are The Potential Causes Of The Honda P1456 Code?
- Fuel tank cap damaged, loose or the wrong part number
- Fuel tank leaks at the fuel fill pipe or at the fuel tank seals
- Fuel vapor control valve is damaged or has failed
- Fuel tank vapor recirculation valve or vapor tube is damaged
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Honda Gas Cap
>>> Genuine Honda Purge Control Solenoid Valve Assembly
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- Honda DTC Codes for P1456 – Page 6.
- Technical Service Bulletin 99-075 for P1456 – Honda Motor Co., Ltd; 1998–2002 Accord, 1996–2000 Civic, 1998–2001 CR-V, 2000–2005 Insight, 1999–2004 Odyssey, 2003–2004 Pilot, and 2000-2006 S2000.
