Mazda 6 Service Manual: Dtc p0753

Dtc p0752

Dtc p0756

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Mazda 6 Service Manual: Fuel pump unit inspection
Caution It is normal to hear the fuel pump operating when the ignition switch is turned to the ON position. Note To improve startability, the fuel pump control operates the fuel pump unit when the ignition switch is turned to the ON position. Due to this, fuel pressure is rapidly ...

Mazda 6 Service Manual: Refrigerant pressure switch inspection
1. Install the SST (gas charging set). 2. Disconnect the refrigerant pressure switch connector. 3. Verify the high-pressure side reading of the SST (manifold gauge) and continuity between the terminals of the refrigerant pressure switch. If not as specified, replace the refrigerant pressure ...