Honda Civic Tighten Fuel Cap. Honda Civic Tighten Fuel Cap Warning at Carlos Attwood blog Most of the Honda Civic "check fuel cap" causes are related to the gas cap A minor vapor leak at the cap could trigger this, and the computer thinks "it's a small leak, not quite big enough to trigger a 'check engine light'".The computer totally does know the difference between a small vapor leak that isnt constant, a small vapor leak that IS constant, and a big vapor leak (like gas cap left off entirely), and it does monitor these things quite frequently.
Honda Civic Petrol Cap atelieryuwa.ciao.jp from atelier-yuwa.ciao.jp
Causes of the Honda Civic "check fuel cap" message 1 The part number of the OEM fuel cap for honda civic 2012-2015 is [7670-T3W-01]
Honda Civic Petrol Cap atelieryuwa.ciao.jp
If the light doesn't turn off, continue driving for some time before checking again to verify that the light is switched off. from honda - "If a vehicle's fuel fill cap is loose or missing, and the ECM/PCM detects an EVAP system leak when it runs the EVAP monitor, the CHECK FUEL CAP message appears on the information display when the engine is started If the light doesn't turn off, continue driving for some time before checking again to verify that the light is switched off.
Honda Civic Tighten Fuel Cap Warning at Carlos Attwood blog. Here's a detailed explanation for you: Solution #1. To fix the Honda Civic "Tighten Fuel Cap" message, you must identify the trigger first
Check Fuel Cap Honda Civic. Look for cracks, missing seals, or a worn-out valve. When your Honda says check fuel cap, reset it to handle this problem.