diagnostic detects p0402 code. which egr part should be replaced?
Nov 27, 2010 at 3:03 AM
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RASMATAZ
AUTOMOTIVE REPAIR CONTRIBUTOR
75,992 POSTS
Could be the EGR valve , Modulator or the vacuum switch valve
Nov 27, 2010 at 4:45 AM
MMPRINCE4000
AUTOMOTIVE REPAIR CONTRIBUTOR
8,548 POSTS
Excessive flow, I would remove and clean valve, if problem persists, then follow RAZ's instructions.