Mazda CX-5 Service & Repair Manual: Intake Manifold Vacuum Inspection
1. Disconnect the evaporative hose No.3 (purge solenoid valve side) and install the vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.
-
If not within the specification, perform the following inspections.
-
Compression pressure.
-
Check valve.
-
Air suction
-
Installation areas of each vacuum hose
-
Installation area of throttle body
-
Installation area of fuel injector
-
Installation area of PCV valve
-
Installation area of intake manifold
-
Standard
-
Approx. –60.0 kPa {–450.0 mmHg, –17.7 inHg}
Intake Air Temperature (Iat) Sensor
IAT Sensor No.1
Purpose/Function
Detects the IAT before it passes through the throttle body as basic information
for mainly determining the fuel injection amount.
Detects the IAT be ...
Intake Manifold
Purpose, Function
Distributes intake air to each cylinder evenly.
Optimizes the combustion efficiency and performance of the engine by distributing
intake air to each cylinder.
...
Other materials:
High Pressure Fuel Pump Inspection
NOTE:
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 “R ...
Oil Strainer
Purpose, Function
The oil strainer suctions the engine oil in the oil pan using the oil pump
vacuum. The engine oil is filtered by the internal filter at that time.
Construction
The oil strainer is installed on the suction port of the oil pump.
The oil strain ...
Engine Oil Level Inspection
1. Position the vehicle on level ground.
2. Warm up the engine.
3. Stop the engine and allow at least 5 min before continuing.
4. Remove the dipstick, wipe it cleanly, and reinstall it fully.
5. Remove the dipstick and verify that the oil level is between the F and L marks
on the dipstick. ...
