
Diagnostic procedure

No.21 engine noise
No.23 a/c does not work sufficientlyMazda 6 Service Manual: Door adjustment
1. Measure the gap and height between the front or rear door and the body.
2. If not as specified, loosen the front or rear door hinge installation
bolts or the door lock striker installation screws, and reposition the door.
Clearance
a: 2.5-4.5 mm {0.10-0.18 in}
b: -0.8-1.2 mm {-0.03-0.0 ...
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 ...