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Home › Suzuki › 2002 › XL-7 Plus › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0131 Or DTC P0132 › Possible Causes

Possible Causes

Possible causes are:

Bank 1 HO2S No. 1 sensor malfunction.
Bank 1 HO2S No. 1 circuit malfunction.
Fuel system malfunction.
ECM malfunction.