Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: Engine coolant
ENGINE COOLANT LEVEL INSPECTION Verify that the coolant level in the coolant reservoir is between the F and L marks. If the engine coolant level is below L, remove the radiator cap and add coolant. (See COOLING SYSTEM SERVICE WARNINGS.) ENGINE COOLANT REPLACEMENT Warning Drain the ...

Mazda 6 Service Manual: Oil leakage inspection
Use either of the following procedures to identify the type of oil that is leaking: Using UV Light (Black Light) 1. Remove on the engine or transaxle. Note Referring to the fluorescent dye instruction manual, mix the specified amount of dye into the engine oil or ATF (or transaxle ...