Check engine light fix**
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Thread Starter
Banned
Joined: Mar 2008
Posts: 121
Likes: 0
From: Vernon Hills, IL
2005 e55 amg
Check engine light fix**
I'm trying to fix this myself. I searched & found it's the secondary air pump. I read to remove some valve & clean it? As well as check the air pump for operation, also check the relay. Now the question is where is the relay? This is for an 05' e55 amg.
