Mazda 6 Service Manual: No.3 will not crank

No.2 mil illuminates

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

Other materials:

Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.) 2. Remove the heater core from the A/C unit. 3. Inspect for cracks, damage, and coolant leakage. If any problems are found, replace the heater core. 4. Inspect for bent fins. If any are bent, use a flathead screwdriver to stra ...

Mazda 6 Service Manual: Airflow mode actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the airflow mode actuator. 2. Verify that the airflow mode actuator operates as shown below. If not as specified, replace the airflow mode actuator. 3. Verify that the resistance between the ter ...