# A in frequent stumdle?

**URL:** <https://community.cartalk.com/t/a-in-frequent-stumdle/55697>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, 2500\
**Created:** [September 28, 2010, 1:54pm UTC](https://community.cartalk.com/t/a-in-frequent-stumdle/55697 "2010-09-28T13:54:02Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![gabemph](https://avatars.discourse-cdn.com/v4/letter/g/bb73d2/32.png) [@gabemph](https://community.cartalk.com/u/gabemph)\
**Post date:** [September 28, 2010, 1:54pm UTC](https://community.cartalk.com/t/a-in-frequent-stumdle/55697/1 "2010-09-28T13:54:02Z")

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well my old 96 200k plus silcerado 5.7 2wd 5speed has a stumble at speed .i put in a new motor a 1000 miles ago .idle smooth power good and smooth jut at times it has a hiccup just for a moment its a very noticeable will do this once or twice then that’s it with the new motor i did new plugs stock ones yes i gaped them wires to cap ans rotor .no trouble cods used a snapon scan tool

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**Author:** ![kizwiki](https://avatars.discourse-cdn.com/v4/letter/k/7cd45c/32.png) [@kizwiki](https://community.cartalk.com/u/kizwiki)\
**Post date:** [September 30, 2010, 5:31am UTC](https://community.cartalk.com/t/a-in-frequent-stumdle/55697/2 "2010-09-30T05:31:21Z")

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maybe you can rephrase this question when you are less frustrated and more sober.

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**Author:** ![circuitsmith](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/circuitsmith/32/40376_2.png) [@circuitsmith](https://community.cartalk.com/u/circuitsmith)\
**Post date:** [September 30, 2010, 7:25pm UTC](https://community.cartalk.com/t/a-in-frequent-stumdle/55697/3 "2010-09-30T19:25:04Z")

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I hate to say throw parts, but maybe the old ignition coil(s) is(are) tired?

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [September 30, 2010, 7:36pm UTC](https://community.cartalk.com/t/a-in-frequent-stumdle/55697/4 "2010-09-30T19:36:46Z")

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Why did you put in a new engine? This only had the problem after the new engine? Is the new engine under warranty?