E-Class (W211) 2003-2009

Egr valve changed, still have check engine lite for p0400

Old Apr 9, 2020 | 04:55 PM
  #1  
György Szabó's Avatar
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1999 Mercedes e320 4matic
Egr valve changed, still have check engine lite for p0400

Hi guys, i changed the egr valve but the engine light come back for p0400, my mechanic is checking the wiring now but I'm hoping you guys have some good ideas, we can check, because this is starting to get very expensive for me,please help....
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Old Apr 9, 2020 | 09:14 PM
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2MERKS's Avatar
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From: Merkville the galaxy of Stars
'99 CLK/05 E500 WAG
Originally Posted by György Szabó
Hi guys, i changed the egr valve but the engine light come back for p0400, my mechanic is checking the wiring now but I'm hoping you guys have some good ideas, we can check, because this is starting to get very expensive for me,please help....
Did you swap out the EGR line? Check the vacuum lines located in the front too! Advance auto has the rubber lines for like pennies a linear ft. Keep us posted
2MERKS
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Old Apr 18, 2020 | 06:01 PM
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György Szabó's Avatar
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1999 Mercedes e320 4matic
Originally Posted by 2MERKS
Did you swap out the EGR line? Check the vacuum lines located in the front too! Advance auto has the rubber lines for like pennies a linear ft. Keep us posted
2MERKS
it was a vacuum line broken, finally fixed thank you 2merks
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Old Apr 19, 2020 | 09:50 AM
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From: Merkville the galaxy of Stars
'99 CLK/05 E500 WAG
Originally Posted by György Szabó
it was a vacuum line broken, finally fixed thank you 2merks
No credit goes to me! We're a open source we all share the rewards! FOSS
2MERKS
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