# 1991 Chev Cavaliar

**URL:** <https://community.cartalk.com/t/1991-chev-cavaliar/25624>\
**Category:** Maintenance/Repairs\
**Tags:** sparkplugs\
**Created:** [January 27, 2009, 1:53am UTC](https://community.cartalk.com/t/1991-chev-cavaliar/25624 "2009-01-27T01:53:58Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![arwhitehurst](https://avatars.discourse-cdn.com/v4/letter/a/8797f3/32.png) [@arwhitehurst](https://community.cartalk.com/u/arwhitehurst)\
**Post date:** [January 27, 2009, 1:53am UTC](https://community.cartalk.com/t/1991-chev-cavaliar/25624/1 "2009-01-27T01:53:58Z")

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I have a '91 chevy cavalair whose #2 & #3 coils are not firing. We’ve replaced the spark plugs and the firing coil but to no avail. Last thought may be replace the on board computer, your thoughts? Can’t quite go around driving on two cylinders so by chance your expertise will solve this mystery

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**Author:** ![Whitey](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/whitey/32/24680_2.png) [@Whitey](https://community.cartalk.com/u/Whitey)\
**Post date:** [January 27, 2009, 2:45am UTC](https://community.cartalk.com/t/1991-chev-cavaliar/25624/2 "2009-01-27T02:45:13Z")

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What about the spark plug wires?

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**Author:** ![cabella](https://avatars.discourse-cdn.com/v4/letter/c/b19c9b/32.png) [@cabella](https://community.cartalk.com/u/cabella)\
**Post date:** [January 27, 2009, 3:21am UTC](https://community.cartalk.com/t/1991-chev-cavaliar/25624/3 "2009-01-27T03:21:47Z")

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Relacing the whole car is the best option !

If you can’t do that then try a compresion test