Mazda 6 Service Manual: No.20 fuel odor (in engine compartment)

No.19 exhaust smoke

No.21 engine noise

Other materials:

Mazda 6 Service Manual: Mass air flow (maf) sensor inspection
Voltage Inspection Note Perform the following inspection only when directed. 1. Visually inspect for the following on the MAF sensor. Damage Cracks Terminal bends Terminal rust - If any of the above are found, replace the MAF sensor. - If the MAF PID value is out of specifi ...

Mazda 6 Service Manual: Relay inspection
Relay Type Four-terminal Type A 1. Remove the relay. 2. Inspect for continuity between the relay terminals using an ohmmeter. If not as specified, replace the relay. Type B 1. Remove the relay. 2. Inspect for continuity between the relay terminals using an ohmmeter. If not as ...