No. 1 Air Control Valve (ACV): B2600

Remove the No. 1 ACV. With a vacuum pump attached, gradually apply vacuum. ACV stem should begin to move at 4.33 in. Hg of vacuum. If not, replace No. 1 ACV.

Fig 1: Air Control Valve Removal (B2600)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Testing No. 1 & 2 Air Control Valve (B2600)

Courtesy of MAZDA MOTORS CORP.