Possible Causes
WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
- MAF sensor malfunction.
- PCM malfunction.
- Poor connection in Throttle Position (TP) sensor signal circuit.
- TP sensor malfunction.
- Voltage drops in reference voltage supply or ground circuits.