Mazda Premacy Idle Air Control Valve Problems

At first the engine signal light (malfunction indicator) went on. We cleaned the air filter, and changed the sparks. The malfunction indicator light was no longer. The problem following this however, was that when it runs at a constant s...

The car injection nozzles has been taken out to be examined,and they were fine so put back, the car usually starts perfectly without problems, but since the nozzle checks, the car shook unsteadily at idle with unsteady rev needle. The car ...