ELECTRICAL AND ECU
12-28
BY Service Manual
Repair
Replacing High-Pressure Fuel
Control Valve
IMPORTANT
When working on the oil, coolant or fuel
circuits you must protect the alternator from
contamination. Cover alternator with
suitable materials. Failure to comply may
result in an alternator failure.
1. Disconnect battery negative (-) cable.
2. Shut off fuel supply valve at fuel tank.
3. Remove intake manifold and cover open ports
in cylinder head to prevent foreign objects from
entering engine. See Intake Manifold on
page 5-70.
Figure 12-31
4. Disconnect electrical connector
(Figure 12-31, (1)).
5. Hold sensor hex (Figure 12-31, (2)) with
wrench and loosen retaining nut
(Figure 12-31, (3)).
6. Remove regulator from fuel rail.
CAUTION
• ALWAYS be environmentally
responsible.
• Follow the guidelines of the EPA or
other governmental agencies for the
proper disposal of hazardous
materials such as engine oil, diesel
fuel and engine coolant. Consult the
local authorities or reclamation facility.
• NEVER dispose of hazardous
materials irresponsibly by dumping
them into a sewer, on the ground, or
into ground water or waterways.
• Failure to follow these procedures may
seriously harm the environment.
0000013en
CAUTION
Immediately cap or plug all openings to
prevent contamination of system.
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