No code tells you to replace a part , need to do diagnostic's for said code .
P0141 - O2 Heater Circuit (Bank 1, Sensor 2)
Description:
See the description for DTC P0135.
Possible Causes:
See the possible causes for DTC P0135.
Diagnostic Aids:
See the diagnostic aids for DTC P0135.
Application
Key On Engine Off
Key On Engine Running
Continuous Memory
All
GO to Pinpoint Test DW .
DW: Heated Oxygen Sensor (HO2S)
DW: Introduction
DW1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)
Are DTCs P0040, P0041, P0053, P0054, P0055, P0059, P0060, P0132, P0133, P0135, P0138, P0139, P0141, P0144, P0147, P0152, P0153, P0155, P0158, P0159, P0161, or P1127 present?
Yes
No
For DTCs P0040 or P0041, GO to DW2 .
For DTCs P0053, P0054, P0055, P0059 or P0060, GO to DW14 .
For DTCs P0132, P0138, P0144, P0152 or P0158, GO to DW20 .
For DTCs P0133 or P0153, GO to DW3 .
For DTCs P0135, P0139, P0141, P0147, P0155, P0159 or P0161, GO to DW9 .
For DTC P1127, GO to DW19 .
For all others, GO to Section 4, Diagnostic Trouble Code (DTC) Charts and Descriptions .
DW9 DTCS P0135, P0139, P0141, P0147, P0155, P0159 OR P0161: CHECK FOR A SOURCE OF POTENTIAL HO2S CONTAMINATION
- Investigate the following items as potential sources of HO2S contamination:
- use of unapproved silicon sealers
- fuel contaminated by silicon additives
- excessive oil consumption
- glycol leaking internally in the engine
- lead-contaminated fuel
- short drive cycles in cold weather
- use of unapproved cleaning agents
Is a concern present?
Yes
No
REPAIR the source of the contamination.
CHANGE the engine oil and oil filter.
RESET the keep alive memory (KAM). REFER to Section 2, Resetting The Keep Alive Memory (KAM) .
REPEAT the self-test.
GO to DW10 .
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