Drivetrain CEL code p0456
#1
CEL code p0456
My code reader is indicating a P0456 code ( very small leak in the evaporative emission control system). I've checked the fuel cap and had 250 miles on the tank before the CEL came on so I don't think it's that.
I did install a Forge BOV 3 weeks ago, if one of the vacuum lines where leaking slightly from this, could this cause the code???
Any other suggestions????
I am not noticing any shift in performance from the car.
I did install a Forge BOV 3 weeks ago, if one of the vacuum lines where leaking slightly from this, could this cause the code???
Any other suggestions????
I am not noticing any shift in performance from the car.
#2
Taking car to dealer tomorrow to try and find where my issue is. Probably going to be a PITA since it's a very slight leak detected. I've found more info on this code (P0456), including possible charcoal cannister issues, hoses that meet up with metal fitting seem to crack and deteriorate and cause leaks, and fuel purge valve (I think that's what I saw). If they figure it out I'll post update in case anyone else ever gets this code. Good thing is, Alabama doesn't do inspections so it's not as big a deal as those that do.
#3
OK....my Mini mechanic says the little Mini didn't like my Forge BOV I installed. Says the BOV is working properly, however car doesn't want to accept that it's there. So, unless Forge has a work around I either will fix it or remove it and install the stock BOV back.
Either way, it's not causing any harm.
They reset the CEL and I drove home the 50 miles and it hasn't come back on yet but I'm sure it will sooner or later.
Either way, it's not causing any harm.
They reset the CEL and I drove home the 50 miles and it hasn't come back on yet but I'm sure it will sooner or later.
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Steffen.Johnson
R50/R53 :: Hatch Talk (2002-2006)
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01-26-2021 09:11 AM