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Check Engine Light on Due to Binding Fuel Cap on Honda CR-V

Problem Description and Possible Solution

A binding fuel filler cap can cause the Check Engine Light to illuminate. Our technicians tell us this can be caused by a problem with the fuel filler neck which may require replacement.

Problem Data
RepairPal Verified
Average mileage: 104,424 (28,000–175,400)
9 model years affected: 2000, 2002, 2003, 2004, more2005, 2006, 2008, 2009, 2013
31 people reported this problem
Viewing 1 - 15 of 15 comments
I tighten the fuel cap down good and snug at fill up. Once I hit about half a tank the light goes on again..Take off cap, reinstall and tighten and the light goes out. It must be a pressure drop in the system causing this. Is there any place I should look to find the leak?...
My check engine light will not go off and the reason is to check the fuel cap. I have replaced
and tightened this cap numerous times. Now and alert (where my mileage shows) consistently
says "check fuel cap". Whats up!!
I have been having problems with my car reading that the gas cap is loose but I am now having the check engine light on.
Every time I start the car - the Check Fuel Cap message is on the display. I clear it out - but it comes back after I start the car again. The fuel cap is tight and the car is running great. I will try cleaning the seal and lubing with vasoline and hope that this fixes the problem!
Gas cap binds and will not seal causing "check engine" lite to illuminate.
Purchased a new gas cap - did not fix problem, still binding. Notified Superstition Springs Honda in Mesa, AZ of the problem - they had no recommendation for a fix. Problem still not fixed 3 years later - spraying with WD-40 or equivalent helps temporarily. Current mileage is 82,214. Honda should issue a recall for this problem.
95,250-engine light comes on when I retighten gas cap it goes out-I notice that when I unscrew the gas cap I do not hear the pressure escaping -the hiss-do I need a new gas cap?
P1456 code readout on OBD reader. I noticed that the small, recessed black rubber gasket in the filler cap has a small split at one point. This is probably destroying the pressure seal. At any rate, I'm going to replace the cap. Nothing wrong with the filler neck, its clean and no burrs. I suspect others may have the same issue?
needs a new fuel filler neck
Every time the check engine light comes on, it turns out to be the gas cap issue. I haven't fixed it and I ignore the light unless I experience some other symptoms or I am at the oil change place that reads the code for free.
Engine light comes on all the time. Always loose gas cap. Re tighten and light goes out 24 hours later
The check engine light has come on off and on since 18,000 miles. I've had the code checked for free at Auto-Zone and they tell me it is likely a cap or filler tube......could also be a solenoid valve in the pump. For such a new car and few miles I am disappointed to say the least.
First time problem occurred was at 60K. Dealer replaced fill pipe neck. Said was defective. Have had this problem off and on since.
First the check fuel cap light flashed at me. I was driving and waited to check it. Next time I started the car the check engine light came on. Based on the reports here, I assume it's related to the fuel cap...will take it in for a check, but seems a bit clear what the issue is.
replaced gas cap with new one, light evetually went out
No solution, same issue