An exhaust gas analyzing system comprising: an introduction port for introducing exhaust gas; a main flow path with one end connected to the introduction port ; a sampling pump (P1, P2) provided in the main flow path in order to sample exhaust gas sent from the introduction port ; an analysis parts provided on the upstream side or downstream side of the sampling pump (P1, P2) in the main flow path in order to analyze exhaust gas; a main flow meters (FM1 - FM6) provided on the upstream side or downstream side of the analysis parts in the main flow path in order to confirm whether exhaust gas flows through the analysis parts with a flow rate required for analysis; and a pump abnormality determination part for determining abnormality of the sampling pump (P1, P2) by detecting whether or not a pump flow rate of the sampling pump (P1, P2) obtained by using output values of the main flow meters (FM1 - FM6) meets predetermined conditions of abnormal functioning, characterized in that the exhaust gas analyzing system further comprises an upstream-side opening/closing valve (V1) provided on the upstream side of the sampling pump (P1, P2) in the main flow path ; a downstream-side opening/closing valve (V2) provided on the downstream side of the sampling pump (P1, P2) in the main flow path ; an exhaust flow path connected between the sampling pump (P1, P2) and the downstream-side opening/closing valve (V2) in the main flow path ; an exhaust flow meter (FM5, FM6) provided in the exhaust flow path in order to measure an exhaust flow rate in the exhaust flow path ; and a leakage abnormality determination part for checking leakage with the use of the exhaust flow rate while closing the upstream-side opening/closing valve (V1) and the downstream-side opening/closing valve (V2) and activating the sampling pump (P1, P2). an introduction port for introducing exhaust gas; a main flow path with one end connected to the introduction port ; a sampling pump (P1, P2) provided in the main flow path in order to sample exhaust gas sent from the introduction port ; an analysis parts provided on the upstream side or downstream side of the sampling pump (P1, P2) in the main flow path in order to analyze exhaust gas; a main flow meters (FM1 - FM6) provided on the upstream side or downstream side of the analysis parts in the main flow path in order to confirm whether exhaust gas flows through the analysis parts with a flow rate required for analysis; and a pump abnormality determination part for determining abnormality of the sampling pump (P1, P2) by detecting whether or not a pump flow rate of the sampling pump (P1, P2) obtained by using output values of the main flow meters (FM1 - FM6) meets predetermined conditions of abnormal functioning, characterized in that the exhaust gas analyzing system further comprises an upstream-side opening/closing valve (V1) provided on the upstream side of the sampling pump (P1, P2) in the main flow path ; a downstream-side opening/closing valve (V2) provided on the downstream side of the sampling pump (P1, P2) in the main flow path ; an exhaust flow path connected between the sampling pump (P1, P2) and the downstream-side opening/closing valve (V2) in the main flow path ; an exhaust flow meter (FM5, FM6) provided in the exhaust flow path in order to measure an exhaust flow rate in the exhaust flow path ; and a leakage abnormality determination part for checking leakage with the use of the exhaust flow rate while closing the upstream-side opening/closing valve (V1) and the downstream-side opening/closing valve (V2) and activating the sampling pump (P1, P2). <EOS>