My 2006 Sport is the same if I get heavy on the gas, (and being manual I probably do that more than should)
I have read a number of suggestions as to the possible cause and how to deal with it, but the one I believe is the issue for my IS, is the primary catalytic converters. Apparently Lexus changed the CATs in the 08 or 09 model and in the states they actually offered owners with earlier models experiencing this, the option of having the CATS swapped out, but not here in Oz :(
A common suggestion is to try a different fuel supplier, so BP instead of Gull, etc...but I have tried many, in many different areas around Perth and this has made no difference for me, so I am currently looking into what options there are for aftermarket exhaust manifolds with new CATS and bolting that on in place of the stock one........ unfortunately I have not found one yet that wont bring up any fault lights
Hi
thanks for the reply! its certainly helped, having read some other people post on the forum ill try different fuels. Im currently using V POWER.
Cheers