Hi eveybody i am a new member to this club and hope somebody can help me.I have a 2008 is 250 which has the error code p0402 after taking it to my local garage which i have been using for many years they have scanned the car and found they need to replace the cat.Trouble is they are saying its a massive job which includes taking off the manifold,taking out the streering rack to get to the cat. Does that sound right or are they taking me for a ride,i have read so many different things on this forum i am now so confused