Mazda 6 Service Manual: Dtc p0171

Dtc p0140

Dtc p0172

Other materials:

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 t ...

Mazda 6 Service Manual: Engine coolant temperature (ect) sensor removal/installation
Warning When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.) 2. Disconnect the ECT sensor connector. 3. Remove the ECT sensor. 4. Install in the reve ...