1990 Mazda 626 Problems
RepairPal has identified the most common problems with the 1990 Mazda 626 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
The "Bypass Air Control Valve" can fail causing a low engine idle and possibly stalling.
A knocking sound heard from the front or rear suspension while driving over rough roads may be caused by the sway bar linkages. The linkages should be inspected for tightness and condition; there are redesigned linkages if replacement is necessary.