Checking and replacing the 1.6 engine idle speed controller

Preparing the car

Remove the throttle body

Connect the tester in ohmmeter mode to the terminals of the regulator

Mazda 3 Idle Regulator Replacement

Resistance should be 8.8-10.6 ohms

If this is not the case, the regulator must be replaced

Mazda 3 Idle Regulator Replacement

To replace the regulator, as well as to clean it with a Phillips screwdriver, unscrew the two fastening screws and remove the regulator

Mazda 3 Idle Regulator Replacement

Remove the gasket of the idle speed regulator (during assembly it is necessary to replace it with a new one)

Mazda 3 Idle Regulator Replacement

Using a special cleaner, we clean the channels of the regulator

Install parts in reverse order

Checking and replacing the 2.0 engine idle speed controller

Preparing the car for work

Remove the engine trim

Disconnect the drive cable from the throttle

Mazda 3 Idle Regulator Replacement

Using an 8 mm wrench, unscrew the three mounting bolts and set aside the throttle cable assembly with the cable

Mazda 3 Idle Regulator Replacement

Press the latch and disconnect the wiring harness block from the regulator

Mazda 3 Idle Regulator Replacement

Connect the tester in ohmmeter mode to the terminals of the regulator

Resistance should be 8.8-10.6 ohms

If this is not the case, the regulator must be replaced

Mazda 3 Idle Regulator Replacement

To replace or clean the regulator with an 8 mm wrench, unscrew the two mounting bolts and remove the regulator

Mazda 3 Idle Regulator Replacement

Remove the gasket of the idle speed regulator (during assembly it is necessary to replace it with a new one)

Mazda 3 Idle Regulator Replacement

Using a special cleaner, we clean the channels of the regulator

Install parts in reverse order