SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: check engine light help

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Old Feb 26, 2017 | 03:59 AM
  #1  
rxzoco's Avatar
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2008 cl550
check engine light help

2003 sl55
eurochaged headers smaller pulley tcu tune belt wrap kit k&n filters
after dyno tuned eurocharged helped . drove fine no cel for 400 miles
now

check engine light on now . p2096 post catalyst fuel trim
system too lean bank 1

so they said need to be retuned ran on dyno again they said tune is good... ??

check exhaust leak didn't seem to have any leaks so i changed the front 2 main 02 sensors oem car runs good idles good
also changed spark plugs and wires as well.

about after 1 day driving about 30 miles

again check engine light on p2096 post catalyst fuel trim system too lean bank 1

and

p0106 manifold absolute pressure bar sensor range performance

...


what do you think can solve this issue someone please help *scratch head *

car runs great and idles great only issue is this check engine light someone please help!!! thank you! very much ! :s mash:
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Old Feb 26, 2017 | 02:50 PM
  #2  
rxzoco's Avatar
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2008 cl550
anyone?
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Old Mar 11, 2017 | 08:08 PM
  #3  
zmirza10's Avatar
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From: Houston, TX
2005 SL65
Your engine mounts may be weak which may have disconnected one of the vacuum line. Check that.
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Old Mar 12, 2017 | 01:26 PM
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mcguirja's Avatar
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From: Mississauga, Ontario, Canada
Mercedes SL63 AMG; Mercedes E63 AMG S 4matic; Mercedes C43 AMG; Mercedes S Class, Mercedes GLK
One of my colleagues had these mods done on his 2005 CLS55 and ran into the same issue. I'll check with him tomorrow to see how it ended up being resolved.
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