One problem related to o2 sensor has been reported for the 2007 Suzuki Forenza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Suzuki Forenza based on all problems reported for the 2007 Forenza.
Oxygen sensor was bad 3 months after buting car, both airbags in dash are defective. Sensors are lighting up and it says can deploy at any time get car serviced. My dealership acts like they don't want to help me.