P0456Medium Priority
Evaporative Emissions System Small Leak Detected
Category: Powertrain• Auxiliary Emission Controls
25 articles · 5 makes affected
Owner Data Insights
Frequently Appears With P0456
These codes often appear together in owner reports. Check these if you see P0456.
- P04557 reports
- P04572 reports
- P03352 reports
- P04401 reports
- P05221 reports
- P04201 reports
- P05201 reports
- P07341 reports
Based on analysis of 16 owner reports where multiple codes appeared together.
Owner Statistics for P0456
Based on 59 real owner discussions • 10 confirmed solutions
17%
Success Rate
59
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
P0456 Issues by Vehicle
FORD
2010 Mustang
2010 Ford Mustang Misfire? How to Fix it with a PCV Valve
63 sources
2010 Mustang
How to Fix Intake Leaks on Your 2010 Ford Mustang
83 sources
2010 Mustang
2010 Ford Mustang Fuel Injector Issues? Here's How to Fix It
85 sources
2020 Mustang
How to Fix 2020 Ford Mustang O2 Sensor Issues: Symptoms & Solutions
65 sources
2010 Mustang
My 2010 Ford Mustang Misfires After Clutch Replacement - How to Fix It
84 sources
2010 Mustang
How to Diagnose and Fix 2010 Mustang Control Arm Problems
112 sources
2010 Mustang
How to Fix Your 2010 Mustang's Heavy Steering and Whining Noise
84 sources
HONDA
2017 Accord
Why Does My 2017 Honda Accord Smell Like Fuel? (And How to Fix It)
100 sources
2020 Accord
2020 Honda Accord Misfire and Idle Surge? Intake Troubleshooting
119 sources
2017 Accord
Why Your 2017 Honda Accord Is Stalling (And How to Fix It)
100 sources
2017 Accord
Stop That Grinding! Diagnosing a 2017 Honda Accord Engine Noise
100 sources
2017 Accord
Why Your 2017 Honda Accord Pulls While Driving (And How to Stop It)
100 sources
2022 Civic
How to Find and Fix That Annoying Rattle in Your 2022 Honda Civic
100 sources
2022 Civic
Why Your 2022 Honda Civic is Shaking and Stalling (Not Always the Engine)
100 sources
DODGE
2015 Ram
Why Does Your 2015 Dodge Ram Lack Power? Check Painted Calipers!
100 sources
2020 Ram
Why Your 2020 Ram Feels Like It's Slipping (And How to Stop It)
100 sources
2020 Ram
Why Your 2020 Ram is Squealing (And How to Stop It for Good)
100 sources
2020 Ram
Why Your 2020 Ram Smells Like Gas (And How to Stop It)
100 sources
2020 Ram
Why Your 2020 Ram Shudders or Makes Noise (eTorque Generator Failure)
100 sources
LEXUS
2010 RX
How to Fix a Misfire in Your 2010 Lexus RX (PCV Valve Guide)
100 sources
2010 RX
Why Your 2010 Lexus RX is Clicking on Startup (And How to Stop It)
97 sources
2010 RX
Why Your 2010 Lexus RX is Ticking on Startup (And How to Stop It)
100 sources
2010 RX
Fixing Your 2010 Lexus RX Transmission Hesitation and Failure
154 sources