SMOG TEST ISSUE

1999 Mercedes Benz ML430

Tiny

mebner1973

August, 20, 2011 AT 8:21 PM

I just took my 1999 Mercedes ML430 for it's smog test. It passed emissions, and visual, but failed due to a fault code from the computer. The man said it was code 400, but did not know more unfortunately. What does this code mean, and approximately how much will it cost to fix it? I really appreciate your help in advance as things are really tight for us now.

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1 Answer

Tiny

rasmataz

August, 20, 2011 AT 8:58 PM

OBDII Code P0400 Exhaust Gas Recirculation Flow Malfunction,

Dunno the cost it varies with location, try cleaning out the EGR valve and see what happens

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