1D-11 Power Unit Mechanical:
Throttle Body Inspection
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CAUTION
Do not try to adjust or remove any of the
throttle body component parts (Throttle
position sensor, throttle valve, throttle stop
screw, etc.).
These components have been factory
adjusted to precise specifications.
• Clean throttle body bore by compressed air.
• Check that throttle lever and throttle valve moves
smoothly.
• Replace throttle body if necessary.
Power Unit Removal and Installation
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Removal
1) Relieve fuel pressure.
Refer to “Fuel Pressure Relief Procedure” in Section
1G (Page 1G-15).
2) Drain engine oil.
3) Disconnect battery cables from battery.
4) Remove the fuel injectors and intake manifold
assembly (1).
Refer to “Intake Manifold Removal and Installation”
(Page 1D-7).
5) Remove the fuel vapor separator (2).
Refer to “Fuel Vapor Separator Removal and
Installation” in Section 1G (Page 1G-17).
6) Remove the high pressure fuel filter (3).
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