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Ok so I have a 98 Honda Civic ex that keeps randomly throwing an evap code p1456
I’ve replaced gas cap, two-way valve and bypass solenoid as suggested by some people and still the code returns.
Here’s where I need some help. When replacing the parts I noticed a hose coming from an inlet from the chassis that went into a T connector which connected to a smaller hose going into the fuel tank pressure sensor.
This is not the same hose that attached to the bypass solenoid but a smaller one right next to it. Anyway that hose was snapped off and the T connector was just barely hanging from the sensor.
Replaced the hoses as well but here’s my question, I presume that’s for fresh air or? Since the end of the T didn’t seem to connect anywhere else? Unless it did and I couldn’t find it.
I drew in red what I found and couldn’t find any diagrams indicting if the hose that dangles went anywhere. Hoping someone could help as I’m curious if this is why the code returns randomly
[IMG]http://uploads.tapatalk-cdn.com/20160506/d1a23154f1074ee1b0e9edbca0253372.jpg[/IMG]
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There’s this but the hoses I’m referring to don’t connect to anything in the diagram?
[IMG]http://uploads.tapatalk-cdn.com/20160508/a6696b31482f692a4f617124045927dd.jpg[/IMG]I can’t tell you what what the hose is for, and I am not a Honda tech; but there is a leak somewhere. Best advice I can give after all you have done is to have the evap system smoke tested….
Karl
[quote=”ToyotaKarl” post=165822]I can’t tell you what what the hose is for, and I am not a Honda tech; but there is a leak somewhere. Best advice I can give after all you have done is to have the evap system smoke tested….
Karl[/quote]
Thanks I actually did have it smoke tested and there was no visible leak. Odd thing is it’ll pass the evap test on really warm ambient temperatures
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