jsg103 Posted June 12, 2010 Share Posted June 12, 2010 Hello My lamba sensor went so the garage fixed it cost £160 and now a week later the warning sign is back on and the garage said it was a different Lamba sensor- how many do cars have and is this likely for 2 to break together? Thanks Link to comment Share on other sites More sharing options...
AKITA Posted June 12, 2010 Share Posted June 12, 2010 Mine has 2 lambda sensors, One on the outlet manifold and then one just after the catalytic converter. What car is it? Link to comment Share on other sites More sharing options...
Leah-Lacie Posted June 12, 2010 Share Posted June 12, 2010 Sure my partner's Golf has 2, the garage told him it's difficult to tell which one has a problem, so you should always replace both... I'm not sure if that's right! Link to comment Share on other sites More sharing options...
AKITA Posted June 12, 2010 Share Posted June 12, 2010 If the codes are read right then it should show lambda 1 or 2, Im puzzled why it cost £160. Thats alot of money for a job that takes around 20min if that. Link to comment Share on other sites More sharing options...
Leah-Lacie Posted June 12, 2010 Share Posted June 12, 2010 Did they fix it or buy a new one and fit it? Partner just told me the garage told him that, but, my uncle does VW repairs, and he wired it to the computer and the code was for the coil pack. Nothing to do with the lambdas. Link to comment Share on other sites More sharing options...
tonyp5467 Posted June 12, 2010 Share Posted June 12, 2010 most newer cars now have 2 lambda sensors so its highly possible that both was on theyre way out Link to comment Share on other sites More sharing options...
martss Posted June 12, 2010 Share Posted June 12, 2010 Most have two, before and after the cat, and they're not cheap, if the light has come back on get the MAF sensor checked. If I recall correctly, a genuine, branded (Bosch etc) Lambda sensor rarely fail. Link to comment Share on other sites More sharing options...
jsg103 Posted June 12, 2010 Author Share Posted June 12, 2010 The garage replaced 1 and said if the other one may go but they tried cleaning it. But the warning light is still on-makes me wonder whether they checked it right? Link to comment Share on other sites More sharing options...
victoria22 Posted June 12, 2010 Share Posted June 12, 2010 Its a well known trick to soak the sensor in acid type fuild overnight and most of the time it will work, Link to comment Share on other sites More sharing options...
Bedders Posted June 13, 2010 Share Posted June 13, 2010 (make sure you have got the code for any radio / cd before you do this!!!) Disconnect one of the leads from the battery for a couple of hours which on a good 90% of cars will cancel the 'engine check light' that you have got lit up. Fill up with good quality petrol (shell or bp but NOT supermarket stuff) & nip to Halfords & put in a 'shot' / small bottle of Redex in the petrol tank with the new quality juice. Does the light come back on straight away as soon as you drive? This fixed mine but i was told that some supermarket petrol contains additives that are not usually found in the quality brands of petrol. Some sensors can be a bit fickle with these additives. Can you remember a couple of years back when a whole heap of lamda sensors were completly ruined with supermarket petrol? Worth a shot the above & if it comes back on again then u genuinely know youve got a problem. Good luck. Link to comment Share on other sites More sharing options...
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