most likely the orfice tube. have it checked to verify
Roy
Apr 1, 2013 at 3:15 PM
WRENCHTECH
CAR REPAIR CONTRIBUTOR
20,761 POSTS
What leads you to believe there is a blockage? What are the high and low pressures at idle and at 2000RPM?
Apr 1, 2013 at 3:17 PM
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.