1998 MAZDA 626NHTSA Campaign #97V228000
The official notice
Defect
VEHICLE DESCRIPTION: PASSENGER VEHICLES. DUE TO A PROGRAMMING ERROR, THE POWERTRAIN CONTROL MODULE (PCM) INSTALLED CAN, UNDER CERTAIN DRIVING CONDITIONS, TRIGGER A SHIFT IN AIR-FUEL RATIO TO AN OVERLEAN CONDITION.
Safety Risk
THIS CONDITION CAN RESULT IN AN ENGINE STALL, WHICH COULD LEAD TO LOSS OF VEHICLE CONTROL AND/OR A VEHICLE CRASH.
Remedy
DEALERS WILL REPROGRAM THE PCM WITH THE CORRECT ENGINE CONTROL LOGIC.
Updated June 10, 2026