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: Supplier identification procedure
Note When asking the supplier (service center) for repair or replacement, verify which supplier the module belongs to and enter in the Audio Repair Order Form. Identification With Printed Numbers/Label 1. Remove the audio unit. 2. Verify the supplier name written on the label attached ...

Mazda 6 Service Manual: Antilock Brake System (ABS)
The ABS control unit continuously monitors the speed of each wheel. If one wheel is about to lock up, the ABS responds by automatically releasing and reapplying that wheel's brake. The driver will feel a slight vibration in the brake pedal and may hear a chattering noise from the brake system ...