Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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HMAC300
AUTOMOTIVE REPAIR CONTRIBUTOR
48,601 POSTS
you have a short to ground on secondary air injection system pressure sensor. either that or an open/high resistance on the wire. so check for a bare wire hitting something or bad connection