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Here is the fault I keep getting not sure what it is
Posted: Sat Apr 05, 2014 5:58 pm
by Jamiestanton
Poss lamba how to find wich one it is is there 4 or 2 on the rs4
Re: Here is the fault I keep getting not sure what it is
Posted: Sat Apr 05, 2014 6:10 pm
by Firestarter
Re: Here is the fault I keep getting not sure what it is
Posted: Sat Apr 05, 2014 6:19 pm
by Jamiestanton
What's that canister thing ? Where is that on the engine and what dose it do
Re: Here is the fault I keep getting not sure what it is
Posted: Sat Apr 05, 2014 8:58 pm
by Rick_RS4
dont think its lambda , those faults are worded differently, like fault bank 1 /bank 2 , this is the evap canister, which i think is the sai
Re: Here is the fault I keep getting not sure what it is
Posted: Sat Apr 05, 2014 10:16 pm
by sar
the evap system is a charcoal filter that lives behind the drivers side front wing, i think it sucks excess fuel vapours out of the tank and pumps them back into the engine via the secondary air injection.
Re: Here is the fault I keep getting not sure what it is
Posted: Sun Apr 06, 2014 11:39 am
by adsgreen
As above the evap system simply collects fuel vapour and stores it in the charcoal filter. Then at some point a purge valve will open and the natural engine vacuum will pull the stored vapours into the engine to be combusted.
Sai just pumps air into the exhaust to compensate for rich feeling during cold starts aiding the cat get up to temp.
You can run happily without a sai system.
With the fault reported above it could be anything.
However combined with the voltage error it is likely to be one of the solenoids or vacuum switches on the evap system.
Re: Here is the fault I keep getting not sure what it is
Posted: Sun May 18, 2014 6:21 pm
by Jamiestanton
It was lambda sensor replaced it now all good