Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Oil cooler
LF, L3 1. Remove the under cover. 2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.) 3. Remove the oil filter cover, and drain the engine oil into a container. (See OIL FILTER REPLACEMENT.) 4. Remove in the order indicated in the table.   5. Use a clean rag to wipe off the m ...

Mazda 6 Service Manual: Flasher unit inspection
1. Connect the connector to the flasher unit. 2. Connect the negative battery cable. 3. Measure the voltage at the flasher unit using voltmeter. When inspecting terminal F for continuity, disconnect the flasher unit connector. 4. If the value are not as specified in the Terminal Voltag ...