During inspection 1997 Nissan MaxiMA; Diagnostic error codes: P0325: KNOCK SENSOR 1 CIRCUIT BANK 1 or SINGLE SENSOR, P0110: INTAKE AIR TEMPARATURE SENSOR 1 CIRCUIT , P0141: O2 SENSOR HEATER CIRCUIT BANK 1 SENSOR. I WAS TOLD THE CHECK ENGINE LIGHT IS NOT FUNCTIONING, ELSE IT WOULD HAVE BEEN ON. CAN YOU RECOMMEND...
Castan
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