That is why you should look at that CTS. It affects mixture with engine temp
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Type: Posts; User: 4.3LXJ; Keyword(s):
That is why you should look at that CTS. It affects mixture with engine temp
I would still look at the coolant temp sensor, the one by the tstat housing
Unless you get a total failure, there is no way for the PCM to measure the O2 for function. All it sees as data. The heaters fail, as in open circuit, then it triggers a light. Since you didn't...
Not sure on this. If the O2 heater malfunctions, you should get a check engine light