Mazda CX-5 Service & Repair Manual: High Pressure Fuel Pump Inspection
NOTE:
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The following vacuum values are indicated by relative pressure from the fuel pressure sensor.
1. Verify that the fuel pressure sensor is normal..
2. Connect the M-MDS to the DLC-2.
3. Switch the ignition ON (engine off).
4. Select the “FUEL_PRES”, “LOAD” and “RPM” PIDs on the M-MDS..
CAUTION:
-
If the engine is run at a high speed, it could be damaged. When racing the engine, be careful not to increase the engine speed suddenly.
5. After the “LOAD” PID is 60% or more
while the engine is raced with the accelerator pedal fully depressed, verify that the “FUEL_PRES” PID is approx. 15.0 MPa {153 kgf/cm2, 2176 psi}
.
-
If not as specified, replace the high pressure fuel pump..
High Pressure Fuel Pump Control
Outline
Changes the fuel pressure applied to the fuel injector according to engine
operation conditions to improve engine output and startability.
The PCM determines the fuel pressur ...
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 ...
Other materials:
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the engine room, pry up the
hook of the clip using a flathead screwdriver. ...
Filament Inspection
1. Switch the ignition ON (engine off).
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touching it ...
Oil Filter
Purpose, Function
Engine oil is filtered by passing engine oil through the oil filter element.
Construction
The oil filter is installed on the right side surface of the cylinder block.
A spin-on type (full-flow type) oil filter has been adopted.
The bypa ...
