Mazda 6 Service Manual: Exhaust system
EXHAUST SYSTEM INSPECTION
Start the engine and inspect each exhaust system component for exhaust gas leakage.
- If leakage is found, repair or replace as necessary.
EXHAUST SYSTEM REMOVAL/INSTALLATION
Warning
- When the engine and exhaust system are hot, they can badly burn. Turn off the engine and wait until they are cool before removing the exhaust system.
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
HO2S Removal Note
Remove the HO2S using the SST
before removing the exhaust manifold.
Exhaust Manifold Installation Note
Tighten the exhaust manifold installation nuts in the order shown.
Fuel injector inspection
Operation Test
Carry out the Fuel Injector Operation Inspection. (See Fuel Injector
Operation Inspection.)
If not as specified, perform the further inspection for the fuel
injectors.
Resi ...
Emission system
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Other materials:
Mazda 6 Service Manual: Ignition coil inspection
Primary Coil Winding
1. Remove the ignition coil.
2. Measure the resistance between the following lead holes using an ohmmeter.
A and B, B and C
- If not specified, replace the ignition coil.
Specification
0.49-0.57 ohms [20°C {68°F}]
Secondary Coil Winding
1. Remove the igni ...
Mazda 6 Service Manual: Front door speaker inspection
1. Inspect for resistance between the front door speaker terminals using an
ohmmeter.
If not as specified, replace the front door speaker.
2. To verify that the front door speaker outputs sound, apply voltage to the
front door speaker and release using a 1.5-V battery.
If not outp ...