What do these codes have n comon, can I fix all w/1part? Po133,po171,po420,po741
What is your question?
Please tell me what these codes have in common, po171-system too lean bank 1, Po133- o2 sensor ckt slow response bank 1 sensor 1, Po420- catalyst efficiency below threshold bank 1, Po741- torque converter ckt performance or stuck off.. If any of them are connected to the other please explain to me..my car idles rough and at times feels like it might die, my gas milage has sky rocketed and occasionally my lights will dim when the idle gets rough..I need to fix ASAP any suggestions?
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Some may be related but it's tough to know without performing a thorough diagnosis. When I encounter a situation like this I record all the codes and stored data, erase all the codes then drive to see what codes return. Then focus on those.
