Trouble code P1456

Tiny
DR777
  • MEMBER
  • HONDA CIVIC
Hello,
I am new to your forum and am not sure how this works. I wanted to review some of the answers that were posted by other people's questions however I don't know how to do that.

My second question is I had a p1456 code come up on my scaner and it said there is a Evap control system leak very small. I am trying to pinpoint this a bit more. I have replaced the gas cap and driven the car approx. 10 miles since then. I have a 2001 honda civic lx with a 1.6 liter engine (I think) it may be a 1.4. It has approx. 110,000 miles on it. No other problems that I know of.
Monday, September 17th, 2007 AT 6:55 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
You can search the forums with the "SEARCH" link above.

That code can get pretty involved that may involec checking the system with a vacuum gauge, measuring voltages, and possibly smoking the system. Various source in the system that may be a fault aside from the cap are the ECM, tubes in the EVAP system, fuel filler neck, FTP sensor, FTV contorl or recirc valves, fuel tank. And more.
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Monday, September 17th, 2007 AT 8:07 PM

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