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Engine Light after installing new air filters

     
Old Aug 15, 2021 | 11:47 AM
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dderisi
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C63 AMG S
Engine Light after installing new air filters
I recently replace stock air filter with K&N Performance Air Filter and I am getting a P2188 “System Too Lean at Idle Bank 1” and a P0171 code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the engine. Any suggestions on how to correct this?
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Old Aug 15, 2021 | 12:35 PM
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Old Aug 15, 2021 | 01:17 PM
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W204 C63 AMG
Originally Posted by dderisi
I recently replace stock air filter with K&N Performance Air Filter and I am getting a P2188 “System Too Lean at Idle Bank 1” and a P0171 code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the engine. Any suggestions on how to correct this?
Check the air box lid is properly installed and fitted. Did you remove entirely the air box to install the filters? Perhaps when reinstalled, the Y-pipe to airbox inlet is loose or leaking.
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Old Aug 15, 2021 | 08:29 PM
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C63 AMG S
Originally Posted by dcpatters
Check the air box lid is properly installed and fitted. Did you remove entirely the air box to install the filters? Perhaps when reinstalled, the Y-pipe to airbox inlet is loose or leaking.
Thanks! Will see if it is properly installed and no loose hoses.

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