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Honda check engine light
What is the Check Engine Light doing?
Steady check engine light
Urgent inspectionHonda's manual says: “Avoid high speeds and immediately get your vehicle inspected at a dealer.”1
If the engine is shaking, losing power, or the light starts flashing, stop safely.
Got the code read? Enter it for the exact meaning:
Flashing check engine light
Stop safelyA flashing light means the engine is misfiring. Honda's manual says: “Park the vehicle in a safe place with no flammable items and wait at least ten minutes or more with the engine stopped until it cools.” Then take the vehicle to a dealer.1
Already have a code from a scanner?
Codes we cover
- P0171System Too Lean (Bank 1)
- P0300Random / Multiple Cylinder Misfire
- P0420Catalyst Efficiency Below Threshold (Bank 1)
- P0430Catalyst Efficiency Bank 2 (V6)
- P0455Large EVAP Leak
- P0456Small EVAP Leak
- P0457EVAP Leak (Loose Fuel Cap)
- P0496EVAP High Purge Flow
- P0497EVAP Low Purge Flow
- P1457EVAP Leak (Canister System)
- P145CFuel Tank Pressure Sensor
- P3400VCM Cylinder Deactivation (Bank 1)
Related guides
Sources
- 12014 Honda Accord Sedan Owner's Manual — p. 67 (the lamp blinks when a misfire is detected), p. 519 (what to do when it comes on or blinks).
- 22014 Honda Accord Sedan Quick Start Guide — p. 4 (malfunction indicator lamp shown amber).
Owner's manual references are to the model and year named above. Wording and procedures can differ on your Honda, so check your own owner's manual.
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