Mazda 6 Service Manual: Dtc p0301, p0302, p0303, p0304

Dtc p0300

Dtc p0327

Other materials:

Mazda 6 Service Manual: Engine oil replacement
Warning Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil has cooled. A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work around or ...

Mazda 6 Service Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.) 2. Siphon the fuel from the fuel tank. Note Nonreturn valve is integrated in the fuel tank. The nonreturn valve is normally closed by the spring force. 3. Verify that the nonreturn valve is closed. If the nonretu ...