The check engine icon keeps coming on. When I tighten the fuel cap it goes off eventually. Lately it keeps coming on regularly but I also notice the cap loosens even if I shut it til it clicks after refueling. Should I try a new gas cap? Will the dealer charge me a fortune to have the engine checked???

SOURCE: Check Engine Light Comes on Intermittently

The P0141 code points to the O2 sensor heater circuit. It could be that there is a short in the wiring to the O2 sensor or it could be that the O2 sensor heating element itself is bad. The code is for O2 sensor Bank 1 Sensor 2. Bank 1 means its the O2 sensor connected to the exhaust pipe that runs to cylinder #1. Sensor 2 means that it is likely the O2 sensor after the catalytic converter on the same exhaust pipe.

SOURCE: Check Gas Cap warning light

Replace the cap - it's only about 10 bucks at AutoZone. They told me the same thing about taking time to clear. I disconnected my battery for 10 minutes and it went off. Make sure you have the radio code as it will need to be reset after disconnecting the battery. It should have come with the car but the dealer can provide it.

SOURCE: my 97 honda civic dx check engine light keeps coming on

Had this issue did you replace the exhaust

SOURCE: Check engine light came on. Code P1456.

Did you change the gas cap with a Honda gas cap? Tighten it at least three clicks?
Also, Honda recommends that you never top off the tank when getting gas (only go to the click-off of the pump; otherwise you can get back flow into the system that will cause the code).
Tightening or replacing the cap will not immediately cause the light to go off; it can take up to three days of driving for the light to reset.
To check if your readiness codes (emission system) are set, turn the ignition to ON (II), without starting the engine. The Malfunction Indicator Lamp will come on for 20 seconds. If it then goes off, the readiness codes are set. If it blinks 5 times, the readiness codes are not set.
You can, of course, try resetting your engine light to see if it will come back on (which it probably will). I believe the procedure is:
Turn off the engine.
Press and hold the Select/Reset knob (odometer) in the instrument panel, then turn the ignition switch to ON (II).
Hold the knob for approximately ten seconds until the indicator resets.

Hope this helps you.

SOURCE: 93 honda accord ex died while driving,ran again

Check for fuel, sound's like not getting fuel.