Mazda 6 Service Manual: Dtc p0171

Dtc p0140

Dtc p0172

Other materials:

Mazda 6 Service Manual: Heated oxygen sensor (ho2s) inspection
HO2S Voltage Inspection Note Perform the following inspection only when directed. 1. Warm up the engine and run it at idle. 2. Disconnect the HO2S connector. 3. Connect the voltmeter test leads to the following HO2S terminals: HO2S (front and rear) - (+) leadterminal A - (-) le ...

Mazda 6 Service Manual: Engine disassembly/assembly
1. Disconnect the engine and automatic transaxle. (ATX) (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION.) 2. Disconnect the engine and manual transaxle. (MTX) (See MANUAL TRANSAXLE REMOVAL/INSTALLATION.) 3. Remove the intake-air system. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Remove ...