Check engine light comes on 2004 Honda Pilot

Asked by Mar 17, 2014 at 01:10 PM about the 2004 Honda Pilot EX-L AWD

Question type: Maintenance & Repair

A repair shop said that it's possible air leak in the fuel recovery system. The code is
P1456. the unit runs great. Am I hurting by running with light on?

4 Answers


check to see if the gas cap is on tight then have the engine light reset

1 of 1 people found this helpful.

I don't believe your doing any damage

1 of 1 people found this helpful.

I had the same issue and had to replace the gas cap.

1 of 1 people found this helpful.
Best Answer Mark helpful

You need to replace the cap, but first take Vaseline and rub on the rubber seal on the cap. Where it connects to the fuel fill nozzle. This is the cheap fix and will solve most air leaks. Also make sure once you do this to turn cap until you hear three clicks.

3 of 3 people found this helpful.

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