Mechanics

CHECK ENGINE LIGHT - EGR CODE 400

1995 Mercedes Benz 220cdi

Engine Performance problem
1995 Mercedes Benz 220cdi 4 cyl Two Wheel Drive Automatic 190, 00 miles

I currently have a check engine light, caused by the EGR 400 code. I first got the light about 2 months ago, I found carbon build up at the shutoff valve, so I cleaned it, Light came back on, so I replaced the shutoff valve. After further trouble shooting I replaced the EGR valve, the EGR vauum manifold & the EGR vacuum lines. The light still illuminates at 30 miles after reset. I'm hoping I missed something in the system but my resources tell me I have done everything possible, the car runs great but I have an annoying check engine light. Can ya help?
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Nytrydr
August 15, 2009.




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