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Anyone know what the symptoms of a bad EGR on a 98 chevy k1500? My truck bogs when engine is cold then engine light comes on p0405. When it's warm no issues. Just want to make sure it's the egr a new one is $300.00
With a P0405 code I'd say it's pretty safe to assume that the EGR is your issue. Where the heck did you get that $300 number, though? You can get a genuine AC Delco valve for $120, or a Delphi for like $80.