Mazda CX-5 Service & Repair Manual: Fuel Pressure Sensor Inspection
Voltage Inspection
NOTE:
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The fuel pressure sensor cannot be removed as a single unit. When replacing the fuel pressure sensor, replace it together with the fuel distributor as a single unit.
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine off or on).
3. Verify that the fuel pressure sensor output voltage (PID: FUEL_PRES) is within the specification..
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If not as specified, replace the fuel distributor..
Specification
Returnless Fuel System
Purpose, Outline
Fuel evaporation in the fuel tank is reduced by adjusting the fuel amount
(fuel pressure) ejected from the fuel pump and preventing fuel warmed in the
engine compartment ...
Fuel Pressure Sensor
Purpose/Function
Detects the fuel pressure in the fuel distributor as basic information for
mainly determining the fuel injection amount.
Detects the fuel pressure in the fuel distri ...
Other materials:
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Quarter Window Glass Installation
WARNING:
Using a razor with bare hands can cause injury. Always wear gloves when using
a razor.
CAUTION:
If a door is opened or closed when all the window glass is closed, the resulting
change in air pressure could cause the sealant to crack preventing the proper
insta ...
Air Intake Control [Full Auto Air Conditioner]
Purpose
The air intake control switches the air intake port (FRESH/REC) according
to the vehicle environment.
Function
The air intake control drives the air intake actuator and switches the air
intake door position according to the operations of the REC, FRESH and defroster ...
