# Lets Play Name This Sensor and Help with Rough Start/Idle!!!! Civic-D15B7

**URL:** <https://forums.speedlife.net/t/lets-play-name-this-sensor-and-help-with-rough-start-idle-civic-d15b7/41080>\
**Category:** NYSpeed Automotive\
**Created:** [January 2, 2008, 6:01am UTC](https://forums.speedlife.net/t/lets-play-name-this-sensor-and-help-with-rough-start-idle-civic-d15b7/41080 "2008-01-02T06:01:55Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Zer0DazE](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/zer0daze/32/7624_2.png) [@Zer0DazE](https://forums.speedlife.net/u/Zer0DazE)\
**Post date:** [January 2, 2008, 8:27am UTC](https://forums.speedlife.net/t/lets-play-name-this-sensor-and-help-with-rough-start-idle-civic-d15b7/41080/11 "2008-01-02T08:27:23Z")

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> [@MXS](#):
>
> There are multiple coolant temp sensors… there’s the one for the gauge, one for the fan switch, one for the ECU… I think that’s all

truth.

with that connector unplugged your ecu isn’t using the proper ECT multiplier for the fuel and spark. so your car will run like shit.

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