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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: May 2009
Posts: 238 Likes: 3
L - Learner Plates On
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OP
L - Learner Plates On
Joined: May 2009
Posts: 238 Likes: 3 |
Hi
I;m seeking some advice relating to the Carbon Filter on my '99 3.9 Plus Eight,
I was thinking of replacing this item, then thought "Does the car really need this kit?"
so my question is ,
Has anyone else removed this thing which sits like a black post box on top of the Passenger footwell, If someone has removed it , what is involved & how is the tank breathing managed
Thanks for any input
Alan
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Joined: May 2010
Posts: 9,552 Likes: 134
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,552 Likes: 134 |
Isn't this part of the evaporation system for emissions control?
If so it is probably monitored by your engine management system. Which system do you have?
My 2002 plus8 has Gems management that does this.
I did once get the warning light on and my OBD analyser showed a evap fault linked to the cannister.
It cleared without issue and has not come back. Probably caused by me and over enthusiastic throttle when cold!
Try checking Gomog site for info.
Plus Four MY23 Furka Rouge
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Joined: May 2009
Posts: 238 Likes: 3
L - Learner Plates On
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OP
L - Learner Plates On
Joined: May 2009
Posts: 238 Likes: 3 |
Thats one of my concerns , Mine is the 14CUX injection system
1999 Morgan Plus 8. 3.9 ....
1961 Alvis TD21 Series1 3 Litre Auto....
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Joined: Aug 2013
Posts: 3,383 Likes: 14
Talk Morgan Addict
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Talk Morgan Addict
Joined: Aug 2013
Posts: 3,383 Likes: 14 |
Isn't this part of the evaporation system for emissions control?
If so it is probably monitored by your engine management system. Which system do you have?
My 2002 plus8 has Gems management that does this.
I did once get the warning light on and my OBD analyser showed a evap fault linked to the cannister.
It cleared without issue and has not come back. Probably caused by me and over enthusiastic throttle when cold!
Try checking Gomog site for info.
Just for info the normal issue with the GEMS cars (I had a 2002 +8) was overfilling, as the carbon canister is next to the fuel tank it gets fuel in it when the tank is overfilled. When the purge valve opens the plenum gets fuel instead of fumes and when the unburnt fuel gets to the Lambda the ECU tries to weaken the mixture and when it reaches its limits it stores a multiple misfire code and pops the light on. A few engine drive cycle clears the light but the code stays there and needs clearing with a code reader, does no harm being there so nothing to worry about.
BR Colin
Who used to be a Spanner Juggler
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Joined: May 2010
Posts: 9,552 Likes: 134
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,552 Likes: 134 |
That's what I think happened to me!
Going for a long run I may have "squeezed every drop" into the tank.
I tend to hold back these days and no faults being flagged up since.
I cleared the code with my code reader.
I also try to avoid jumping into the car, starting, blast off ....to try to allow the system to clear as the engine warms up without high demand for fuel.
Plus Four MY23 Furka Rouge
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