2007 Accord LX

I wish any of you could help me. My accord has about 2000 miles right now, however, I hear a small continuous popping sound ( it sounds like a helicopter hovering over me) at the stop sign and idling after the car is warmed up (There is no sound right after starting the engine). So I took it to the dealer and they said it is the sound of solenoid purging. Does solenoid purge either continuously or frequently (I mean at every stop sign)? I hear the sound much earlier when the weather is hot and later when it was raining or cool. I don't think the honda dealer really wanted to fix the problem since it is under warranty. If not, could any of you tell me waht is going on? Thanks in advance:frown:

Try to switch to higher octane of your next fueling! Hope it helps!

Fuel tank purge solenoid should only open when the motor is started, and occaisionally after that. Don't know what they are talking about. No check engine light I guess?

Can you tell where in the car it comes from?