# 2005 Mercury Grand Marquis - Code

**URL:** <https://community.cartalk.com/t/2005-mercury-grand-marquis-code/150389>\
**Category:** Maintenance/Repairs\
**Tags:** mercury\
**Created:** [October 9, 2019, 7:50pm UTC](https://community.cartalk.com/t/2005-mercury-grand-marquis-code/150389 "2019-10-09T19:50:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DeeStadulis](https://avatars.discourse-cdn.com/v4/letter/d/ec9cab/32.png) [@DeeStadulis](https://community.cartalk.com/u/DeeStadulis)\
**Post date:** [October 9, 2019, 7:50pm UTC](https://community.cartalk.com/t/2005-mercury-grand-marquis-code/150389/1 "2019-10-09T19:50:34Z")

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Code P0308. Car shakes and engine light on. Was told cylinders#8. Could be spark plug, fuel injector or coil.

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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 9, 2019, 11:31pm UTC](https://community.cartalk.com/t/2005-mercury-grand-marquis-code/150389/2 "2019-10-09T23:31:15Z")

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Yes, all that. Question?