# 1999 Ford Mustang - Help with issues

**URL:** <https://community.cartalk.com/t/1999-ford-mustang-help-with-issues/137616>\
**Category:** Maintenance/Repairs\
**Tags:** ford\
**Created:** [March 31, 2019, 3:42pm UTC](https://community.cartalk.com/t/1999-ford-mustang-help-with-issues/137616 "2019-03-31T15:42:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![CynthiaElmore](https://avatars.discourse-cdn.com/v4/letter/c/7bcc69/32.png) [@CynthiaElmore](https://community.cartalk.com/u/CynthiaElmore)\
**Post date:** [March 31, 2019, 3:42pm UTC](https://community.cartalk.com/t/1999-ford-mustang-help-with-issues/137616/1 "2019-03-31T15:42:13Z")

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I have a ford mustang 1999 body with a 1996 motor 3.8 v6.and has a 2001 computer brain the car is rough starting spits pops backfires and slow at exceleration and takeoff then slowly runs like a bat out of hell once you come to stop runs like crap and all over again. Please tell me what else can I do to solve this problem

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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:** [March 31, 2019, 5:57pm UTC](https://community.cartalk.com/t/1999-ford-mustang-help-with-issues/137616/2 "2019-03-31T17:57:51Z")

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I can’t diagnose this Frankenstein of a Mustang over the internet. Maybe not even in person. You have a mess on your hands.

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [March 31, 2019, 8:58pm UTC](https://community.cartalk.com/t/1999-ford-mustang-help-with-issues/137616/3 "2019-03-31T20:58:11Z")

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Agree with Mustangman, but my gut feeling is the engine/computer mismatch.