got a four branch manifold and decat cant get the engine management light to go off took it off several times wit a diagnostic machine but just comes straight back on any ideas
eingine managment light
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#1
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#2what year car is it? is the lamba probe(s) still in the exhaust?
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#32001 yeah it is mate
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#4have you sleeved the second lambda?
you need to do this to fool the ecu into thinking the cat is still there and working ok. -
#5what you sleeve it wit mate
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#6with a lambda sleeve.
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#8They dont work, anyone found a solution to this yet? CBA going down the lines of getting a simulator
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#9Well, they work for some people or they wouldn't sell em

Didn't work for me as I didn't use one - my EML only came on every 300-400 miles and I just reset it - that was with the lamba in the exhaust still.