Mazda CX-5 Service & Repair Manual: High Pressure Fuel Pump
Purpose, Function
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Applies pressure to fuel sent from the fuel pump equipped on the fuel tank, and then pumps it to the fuel delivery pipe.
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Fuel is sectioned and pumped by the up and down movement of the piston caused by the rotation of the cam installed to the rear end of the exhaust camshaft.
Construction
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The high pressure fuel pump is installed to the exhaust camshaft with the vacuum pump.
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The high pressure fuel pump consists of a spill valve control solenoid valve, spill valve, piston, and spring.
Operation
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Based on the control signal from the PCM, the spill valve solenoid valve opens and closes in the high pressure fuel pump.
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For the high pressure fuel pump control details, refer to CONTROL SYSTEM..
Fail-safe
|
DTC |
Fail-safe |
|
P0089:00 |
|
|
P0091:00 |
|
|
P0092:00 |
|
High Pressure Fuel Pump Removal/Installation
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin ...
Low Fuel Warning Light
Purpose
The low fuel warning light warns the driver that the remaining fuel level
is low.
Function
The instrument cluster calculates the fuel quantity based on the following
...
Other materials:
Suspension
49 T034 1A0
Coil spring compressor set
49 T028 3A0
Ball joint puller set
49 G033 102
Handle
49 U034 204
Dust boot installer
49 FT01 389
Pr ...
Fuel Line Pressure Inspection
WARNING:
Fuel line spills and leakage from the pressurized fuel system are dangerous.
Fuel can ignite and cause serious injury or death and damage. To prevent this,
complete the following inspection with the engine stopped.
Fuel is very flammable liquid. If fuel spills or leaks ...
Speaker [Without Bose®]
Purpose
Converts the audio signal from the audio unit to sound.
Function
Full-range speakers, which can output wide-range sound from low to high frequency,
have been adopted.
Specification
Item
Front door speaker
Rear speaker ...
