The Lemon IndexThe computer thinks the gas cap is loose or missing.
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
Gas cap loose, missing or worn. Then: filler neck seal.
Owners named P0457 in 14 complaints to the U.S. government, most often on the Ford Fusion.
Cars owners report it on
Complaints that name P0457, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2010 Ford Fusion · 2011 Ford Fusion
The details
What P0457 means
The computer thinks the gas cap is loose or missing.
Can I drive with P0457?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
14% of the owner complaints that name P0457 also say the car warning lights and electrical faults. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0457
- Gas cap loose, missing or worn
- Filler neck seal
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Warning lights and electrical faults: 14% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0457 most
2010 Ford Fusion (2), 2011 Ford Fusion (2).
Related codes
P0456 P0455 P0452 P0451 P0460 P0461 P0462 P0463
Quick answers
What does P0457 mean?
Evaporative Emission System Leak Detected (Fuel Cap Loose/Off). The computer thinks the gas cap is loose or missing.
Can I drive with P0457?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
What causes P0457?
Gas cap loose, missing or worn; Filler neck seal.
Counts: NHTSA owner complaints whose text names P0457. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.