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Code 251 - long (ish) follow up S90-V90

posted by  TwinDad on  Wed Jan 24 13:18 CST 2007
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last visit: Tue Jan 29 15:05 CST 2013
[RELATED]

Following up on an earlier post. History: CEL came on in our '98 V90 wagon (78k+ miles), and the OBD code was 251 - Ambient Temperature Sensor. Finally took the car to our indy today, and it turns out there are two ambient temperature sensors up by the front bumper - one for the thermometer on the dash and one has something to do with fuel injection. The bad one for us was the latter.

On an aside, we've had a problem with the car being sluggish on cold days. When our indy re-checked the OBD codes today, he got code 210 which is the coolant temp sensor - so that was replaced too - and difference was amazing when I picked the car up a little while ago.

Thanks again, everyone, for your help.






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