The Check Engine Light may illuminate accompanied by a code P0133 (bank1 O2 sensor) stored in the powertrain control module (PCM). This is commonly caused by a failed air/fuel sensor. Our technicians tell us a revised a/f senor and (PCM) software upgrade may be necessary to correct this concern.
2004 Suzuki Forenza Problem Reports
Most Reported 2004 Suzuki Forenza Problem Reports
The head lights may stop working due to a failed connection at the multifunction head light switch. Our technicians tell us there is a harness connector repair kit available which should be installed in conjunction with dielectric grease to seal the connector. 2004-2006 models have been recalled for low beam and daytime running light malfunctions. For more information on this recall, please click here»
A lack of power may develop, accompanied by an illuminated Check Engine Light with fault code P2106 stored in the powertrain control module (PCM). This fault can be caused by a throttle actuator which has only limited movement. The correction for this condition includes replacing the throttle actuator and updating the PCM software.