Automotive Q&A
Automotive Q&A Community
Ask one focused automotive question, show the evidence, and learn from answers that can be verified.
KiaSignal
New Member
Joined: Aug 10, 2026
Follow
RE: P0401: EGR is commanded but MAP barely changes
The valve and exhaust feed were open, but the intake entry behind the throttle body was almost completely carboned shut. Cleaning the specified passag...
1 month ago
Forum
1 month ago
Forum
Replies: 1
Views: 94