Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

Other materials:

Mazda 6 Service Manual: Heated oxygen sensor (ho2s) inspection
HO2S Voltage Inspection Note Perform the following inspection only when directed. 1. Warm up the engine and run it at idle. 2. Disconnect the HO2S connector. 3. Connect the voltmeter test leads to the following HO2S terminals: HO2S (front and rear) - (+) leadterminal A - (-) le ...

Mazda 6 Service Manual: Selector lever disassembly/assembly
1. Disassemble in the order shown in the figure. 2. Assemble in the reverse order of disassembly. Connector Disassembly Note 1. Insert a thin piece of metal from the terminal side of the connector, and press down the terminal locking tab. 2. Pull the terminal out of the connector. ...