# 2006 Nissan Altima misfire after new plug and coil

**URL:** <https://community.cartalk.com/t/2006-nissan-altima-misfire-after-new-plug-and-coil/125998>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, altima\
**Created:** [October 1, 2018, 2:25pm UTC](https://community.cartalk.com/t/2006-nissan-altima-misfire-after-new-plug-and-coil/125998 "2018-10-01T14:25:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Hector16](https://avatars.discourse-cdn.com/v4/letter/h/8e8cbc/32.png) [@Hector16](https://community.cartalk.com/u/Hector16)\
**Post date:** [October 1, 2018, 2:25pm UTC](https://community.cartalk.com/t/2006-nissan-altima-misfire-after-new-plug-and-coil/125998/1 "2018-10-01T14:25:18Z")

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I have a miss fire in spark plug #1 I have changed the plug and coil and I still have a miss fire???

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [October 1, 2018, 3:16pm UTC](https://community.cartalk.com/t/2006-nissan-altima-misfire-after-new-plug-and-coil/125998/2 "2018-10-01T15:16:14Z")

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Run a compression check of all the cylinders. You may find #1 is low.

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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:** [October 1, 2018, 4:32pm UTC](https://community.cartalk.com/t/2006-nissan-altima-misfire-after-new-plug-and-coil/125998/3 "2018-10-01T16:32:16Z")

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A dirty/defective fuel injector can also cause a misfire.

Tester