# points systems??

**URL:** <https://forums.speedlife.net/t/points-systems/141322>\
**Category:** Canada Nissan Automotive\
**Created:** [January 31, 2006, 12:02pm UTC](https://forums.speedlife.net/t/points-systems/141322 "2006-01-31T12:02:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![disco\_240sx](https://avatars.discourse-cdn.com/v4/letter/d/b782af/32.png) [@disco\_240sx](https://forums.speedlife.net/u/disco_240sx)\
**Post date:** [January 31, 2006, 12:02pm UTC](https://forums.speedlife.net/t/points-systems/141322/1 "2006-01-31T12:02:10Z")

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i have a 1990 240sx sohc stock engine just today it started to stutter at 4500 rpm it will pull fine untill then and it sorta sounds like a rev limiter or a back fire in the exhuast. could my timing b off or or does my car have a points system, or if im way off could u tell me what the problem is thanks

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**Author:** ![baker\_jeff](https://avatars.discourse-cdn.com/v4/letter/b/0ea827/32.png) [@baker\_jeff](https://forums.speedlife.net/u/baker_jeff)\
**Post date:** [January 31, 2006, 12:28pm UTC](https://forums.speedlife.net/t/points-systems/141322/2 "2006-01-31T12:28:03Z")

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Injectors or injector seals/o-rings? Mine did that too…

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**Author:** ![Jay\_Nismo](https://avatars.discourse-cdn.com/v4/letter/j/c37758/32.png) [@Jay\_Nismo](https://forums.speedlife.net/u/Jay_Nismo)\
**Post date:** [January 31, 2006, 11:10pm UTC](https://forums.speedlife.net/t/points-systems/141322/3 "2006-01-31T23:10:18Z")

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Check the plastic piece for the air right above the rad shroud for any cracks!! Or your timing chain is starting to stretch, like mine did!! slowly throws the car out of time until the chain goes!!