Still looking for your answer? I sure haven't got it...
I've been having a vicious hard start in the cold, and a solid CEL. Ripped the code and got a 21. Some time ago, I had a 21 show up very briefly, so I grabbed the sensor from my dealer for the ~$25 price that everyone here has paid. It's been hanging out in my basement with my other assorted SVX parts since then.
The past two days, the car has been giving me holy hell when trying to get it running from setting cold. I replaced the sensor tonight, and it still had the same reluctance to get running.
I suppose the next check is the wiring? Can anyone tell me if there's a voltage to measure on the connector for the sensor? I'm betting it's 5V or so...
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Disclaimer: The above post is on the internet.
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