P0133 - O2 Circuit Slow Response (Bank 1, Sensor 1)

P0133 - O2 CIRCUIT SLOW RESPONSE (BANK 1, SENSOR 1)

Description:	The heated oxygen sensor (HO2S) monitor checks the HO2S frequency and amplitude. If during testing the frequency and amplitude fall below a calibrated limit, the test fails.
Possible Causes:	Contaminated HO2S sensor Exhaust leaks Shorted/open wiring Incorrect fueling Mass air flow (MAF) sensor Deteriorating HO2S Intake air leaks
Diagnostic Aids:	Access the HO2S test results from the Generic OBD-II menu to verify the DTC.
Application		Key On Engine Off	Key On Engine Running	Continuous Memory
All		-	-	refer to PINPOINT TEST DW .