Direct Fuel Injection
Page 3B-64 90-8M0050731 MAY 2011
3. Inspect the fuel pressure regulator housing O‑ring for damage.
a - Screw (4)
b - Fuel regulator
c - Diaphragm
d - Spring
e - Cup
f - O‑ring
Air Pressure Regulator Removal (S/N 0T178500 and Above)
1. Remove the two screws securing the air pressure regulator to the fuel rail.
2. Inspect the air pressure regulator O‑rings for damage.
NOTE: The air pressure regulator is not serviceable.
a - Screws
b - Air pressure regulator
c - O‑rings
d - Retainer
Tracker Valve Removal
1. Remove the four screws securing the tracker valve to the fuel rail.
2. Inspect the tracker diaphragm for damage.
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