# Car sensor reading

**URL:** <https://community.cartalk.com/t/car-sensor-reading/62198>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, maxima\
**Created:** [March 4, 2011, 5:55pm UTC](https://community.cartalk.com/t/car-sensor-reading/62198 "2011-03-04T17:55:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![olgavasquez](https://avatars.discourse-cdn.com/v4/letter/o/cab0a1/32.png) [@olgavasquez](https://community.cartalk.com/u/olgavasquez)\
**Post date:** [March 4, 2011, 5:55pm UTC](https://community.cartalk.com/t/car-sensor-reading/62198/1 "2011-03-04T17:55:36Z")

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the scanner reads PO100 maf vas and PO325 knock sensor what does that mean

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**Author:** ![cigroller](https://avatars.discourse-cdn.com/v4/letter/c/c68b51/32.png) [@cigroller](https://community.cartalk.com/u/cigroller)\
**Post date:** [March 4, 2011, 6:53pm UTC](https://community.cartalk.com/t/car-sensor-reading/62198/2 "2011-03-04T18:53:46Z")

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This site is pretty good for explaining & providing diagnostic suggestions:  
[http://www.obd-codes.com/trouble\_codes/](http://www.obd-codes.com/trouble_codes/)

Remember they are “diagnostic” codes - to help in diagnoses. They can’t tell you that parts are bad.