Car exhaust system Mazda 121 (3)
General information about the exhaust system
The exhaust system consists of a front intake pipe with a catalytic converter, a middle muffler and an end muffler. A lambda probe is required to control the catalytic...
The exhaust system consists of a front intake pipe with a catalytic converter, a middle muffler and an end muffler. A lambda probe is required to control the catalytic...
Catalyst operation
All engines are equipped with a catalytic converter to clean exhaust gases. The catalyst consists of a ceramic honeycomb element (3), which is located inside a...
All engines are equipped with a catalytic converter to clean exhaust gases. The catalyst consists of a ceramic honeycomb element (3), which is located inside a...
Rules for operating vehicles with a catalytic converter
To avoid damage to the lambda probe and catalytic converter, the following rules must be observed. Petrol engines Be sure to refuel with unleaded gasoline only. Starting...
To avoid damage to the lambda probe and catalytic converter, the following rules must be observed. Petrol engines Be sure to refuel with unleaded gasoline only. Starting...
Checking the exhaust system for tightness
In vehicles with a controlled catalytic converter, leaks in the exhaust system before the lambda probe can lead to the following damage: Difficulty starting: the engine...
In vehicles with a controlled catalytic converter, leaks in the exhaust system before the lambda probe can lead to the following damage: Difficulty starting: the engine...
Removal and installation of the exhaust system
A new car has a two-piece exhaust system, which is replaced with a four-piece system during repair. On the factory system, the middle muffler cannot be replaced...
A new car has a two-piece exhaust system, which is replaced with a four-piece system during repair. On the factory system, the middle muffler cannot be replaced...
Removal and installation the final muffler
Removal Raise and support the vehicle. If the vehicle still has the factory two-piece exhaust system, separate the intermediate pipe at the location shown ( see diagrams...
Removal Raise and support the vehicle. If the vehicle still has the factory two-piece exhaust system, separate the intermediate pipe at the location shown ( see diagrams...
Removal and installation the catalytic converter
Caution: Do not deform the catalytic converter housing, avoid strong shaking, impacts and falls, as these can damage the ceramic core. A damaged catalytic converter is...
Caution: Do not deform the catalytic converter housing, avoid strong shaking, impacts and falls, as these can damage the ceramic core. A damaged catalytic converter is...
Removal and installation the lambda probe
The lambda probe is screwed into the exhaust pipe in front of the catalytic converter. Caution: The connecting wire of the lambda probe cannot be repaired or soldered....
The lambda probe is screwed into the exhaust pipe in front of the catalytic converter. Caution: The connecting wire of the lambda probe cannot be repaired or soldered....
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More sections on repairs of other Mazda models
• Power unit: Exhaust system Mazda Familia 6 (1989-1994)
• Power unit: Exhaust system Mazda3 BK (2003-2009)
• Power unit: Exhaust system Mazda6 GG (2002-2008)
• Power unit: Intake and exhaust system Mazda CX-5KE (2012-2017)
• Power unit: Exhaust system Mazda Familia 6 (1989-1994)
• Power unit: Exhaust system Mazda3 BK (2003-2009)
• Power unit: Exhaust system Mazda6 GG (2002-2008)
• Power unit: Intake and exhaust system Mazda CX-5KE (2012-2017)
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- General information
- Introduction to guide
- User manual
- Maintenance
- Power unit
- Engine repair (diesel)
- Cooling and lubrication system
- Fuel injection system
- Intake and exhaust system
- Engine electrical equipment
- Transmission
- Clutch
- Mechanical gearbox
- All-wheel drive system
- Transfer case and gearboxes
- Chassis
- Front suspension
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- Heating and air conditioning
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- General information
- User manual
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- Power unit
- Petrol engine 1.3 l
- Petrol engine 1.25/1.4 l
- Diesel engine
- Lubrication system
- Cooling system
- Ignition system
- Supply system
- Fuel injection (gasoline)
- Fuel injection (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Front suspension
- Rear suspension
- Steering
- Brake system
- Wheels and tires
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- Exterior (external elements)
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- Doors, windows and locks
- Heating system
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- Lighting system
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