Afondo 0 Posted November 26, 2008 Report Share Posted November 26, 2008 Had the car plugged into the vag.com and it showed a faulty lambda sensor so I bought a generic Marelli replacement, got under the car to find 2 similar looking sensors in the exauhst pipe 1 before and the other after the cat.To make life more complicated they both have 4 wires, 2 white 1 black and 1 grey.Anybody know which one it is? Link to post Share on other sites
UnitedMotorsport 55 Posted November 26, 2008 Report Share Posted November 26, 2008 Whats the exact error showing on VAG-COM? Link to post Share on other sites
LadVR 0 Posted November 26, 2008 Report Share Posted November 26, 2008 Are the white wires there just to heat the lambda? Link to post Share on other sites
xyber 1 Posted November 26, 2008 Report Share Posted November 26, 2008 generic lambdas are rubbish! Id stick to a genuine part for that Link to post Share on other sites
Afondo 0 Posted November 26, 2008 Author Report Share Posted November 26, 2008 Ive got the sensor now so will be putting it in and if and when it dies ill buy the original.The sensor was also tested with a multimeter and was dead.Any ideas as to which sensor is the lambda? Link to post Share on other sites
UnitedMotorsport 55 Posted November 26, 2008 Report Share Posted November 26, 2008 Both sensors are Lambda sensors, before and after the CAT.If you tested a sensor and it was dead, then this is the one to replace! Link to post Share on other sites
crish72 0 Posted November 27, 2008 Report Share Posted November 27, 2008 generic lambdas are rubbish! Id stick to a genuine part for thatAgreed!Mine lasted about 3 months and i ended up replacing it with a VAG one, so buy VAG!!Chris Link to post Share on other sites
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