Possible Cause
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- Electrical corrosion in MAF RETURN circuit
- Electrical corrosion in MAF signal circuit
- MAF/IAT sensor malfunction
- TP sensor malfunction
- Voltage drops in ground circuit
- Voltage drops in MAF signal circuit