Mazda 6 Service Manual: Dtc p0172

Dtc p0171

Dtc p0300

Other materials:

Mazda 6 Service Manual: Drive belt auto tensioner inspection
1. Remove the drive belt. (See DRIVE BELT REPLACEMENT.) 2. Verify that the drive belt auto tensioner moves smoothly in the operational direction. Replace the drive belt auto tensioner if necessary. 3. Turn the drive belt auto tensioner pulley by hand and verify that it rotates smoothly ...

Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection Verify that the main relay clicks when the ignition switch is turned to ON position and off. If there is no operation sound, inspect the following. - Main relay (See RELAY INSPECTION.) - Harness and connector between ignition switch and main relay termi ...