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Originally Posted by DukeBoy
Quote:
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Originally Posted by Gonza
Lol, so I guess it wasn't as expensive as you thought?
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You wouldn't believe how much that pipe cost me 
Get the code checked to see what it's throwing up....mine felt like it ran no different when the light came on, but there was obviously a problem there....so best get it checked  |
Those Front O2 sensors are expensive as they are a sudo wideband sensor, about £250 IIRC so you need to be sure it is at fault and it isn't (as Rich found out), just a loose pipe or a loose clip causing extra air to be pulled into the system.
Check all your air hoses, big and small from turbo, inlet and intercooler etc... and also check the fuel pressure reg hose. As this is known to go brittle and crack.
If your near Hastings I can read out the code for you, as it could be a number of things i.e misfire code as the 02 WRX ECU only allows 2 misfires before throwing the CEL (funny enough they put this up to 10 on the later ECU).