# 2004 Nissan 350Z - Heavy rain now misfires

**URL:** <https://community.cartalk.com/t/2004-nissan-350z-heavy-rain-now-misfires/129009>\
**Category:** Maintenance/Repairs\
**Tags:** nissan\
**Created:** [November 17, 2018, 11:37am UTC](https://community.cartalk.com/t/2004-nissan-350z-heavy-rain-now-misfires/129009 "2018-11-17T11:37:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Simon20](https://avatars.discourse-cdn.com/v4/letter/s/f19dbf/32.png) [@Simon20](https://community.cartalk.com/u/Simon20)\
**Post date:** [November 17, 2018, 11:37am UTC](https://community.cartalk.com/t/2004-nissan-350z-heavy-rain-now-misfires/129009/1 "2018-11-17T11:37:22Z")

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Misfires on multiple cylinders  
Car stalls below 800rpm ( idle)

This all happened after driving through heavy rain

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**Author:** ![NYBo](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nybo/32/17281_2.png) [@NYBo](https://community.cartalk.com/u/NYBo)\
**Post date:** [November 18, 2018, 10:57pm UTC](https://community.cartalk.com/t/2004-nissan-350z-heavy-rain-now-misfires/129009/2 "2018-11-18T22:57:58Z")

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While it’s dark out, open the hood and start the engine. Look for sparks near the ignition coils. Dry off those areas (WITH THE ENGINE OFF!).

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [November 18, 2018, 10:59pm UTC](https://community.cartalk.com/t/2004-nissan-350z-heavy-rain-now-misfires/129009/3 "2018-11-18T22:59:22Z")

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Replace the coil-on-plug boots.

[https://www.rockauto.com/en/catalog/nissan,2004,350z,3.5l+v6,1431982,ignition,spark+plug+/+coil-on-plug+boot,10150](https://www.rockauto.com/en/catalog/nissan,2004,350z,3.5l+v6,1431982,ignition,spark+plug+/+coil-on-plug+boot,10150)

Tester