Mazda CX-5 Service & Repair Manual: Fuel Filler Cap

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Filler Cap

Purpose, Function

Releases evaporative gas from the fuel tank if there is a malfunction in the evaporative gas passage between the fuel tank and the intake manifold. As a result, deformation of the fuel tank caused by evaporative gas pressure is prevented.

Construction

The fuel-filler cap is installed to the fuel filler opening.
The fuel-filler cap consists of a valves, retainer, and springs.

Operation

When there is positive pressure in the fuel tank due to evaporative gas, evaporative gas is released into the atmosphere. When there is negative pressure, air is introduced to the fuel tank.

Fuel Filler Cap Inspection

Leakage Inspection 1. Perform the following tester (evaporative emission system tester (134-01049A)) self-test: NOTE: If the tester does not work correctly during self-test, refer to the ...

Fuel Filler Lid Adjustment

1. Verify that the gap and height difference between the fuel-filler lid and body. 2. Loosen the bolts and adjust the fuel-filler lid. Standard clearance a: 1.7—3.7 mm {0.07—0.14 ...

Other materials:

Air Fuel Ratio (A/F) Sensor
Purpose/Function Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust gas and inputs it to the PCM as an ox ...

Wheel Hub Component Removal/Installation [Awd]
CAUTION: Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, disconnect the ABS wheel-speed sensor connector (body side) ...

Radiator Removal/Installation
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...