One problem related to vehicle speed control has been reported for the 2001 Mazda B4000. The most recently reported issues are listed below.
After the dpfe sensor was replaced as a result of the check engine light illuminating, another problem developed, a steady rpm of 2100 to 2500 under a light load, when the accelerator is released the vehicle continues to maintain that speed, when the clutch is depressed, the rpms increase to 200-500 and stays there, tapping the accelerator will sometimes cause it to drop, but the usual way when in gear is to apply the brake, if the road is flat the vehicle will stay at the rpm indefinitely, throttle positioner and cpu have been replaced, however dealer has been unable to rectify the problem.
| Cruise Control problems | |
| Vehicle Speed Control problems |