Mazda 6 Service Manual: Dtc p0171

Dtc p0140

Dtc p0172

Other materials:

Mazda 6 Service Manual: Variable intake-air system (vis) control solenoid valve inspection (l3)
1. Remove the VIS control solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Inspect airflow between the ports under the following conditions. If not as specified, replace the VIS control solenoid valve. If as specified, carry out the Circuit Open/Short Inspection. Circ ...

Mazda 6 Service Manual: Intake-air system removal/installation
Warning When the engine and intake-air system are hot, they can badly burn. Turn off the engine and wait until they are cool before removing the intake-air system. Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from ...