# Timing problems 1990 chevy van

**URL:** <https://community.cartalk.com/t/timing-problems-1990-chevy-van/44918>\
**Category:** Maintenance/Repairs\
**Tags:** van, chevrolet\
**Created:** [February 22, 2010, 5:29am UTC](https://community.cartalk.com/t/timing-problems-1990-chevy-van/44918 "2010-02-22T05:29:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![crazycamaro70](https://avatars.discourse-cdn.com/v4/letter/c/4af34b/32.png) [@crazycamaro70](https://community.cartalk.com/u/crazycamaro70)\
**Post date:** [February 22, 2010, 5:29am UTC](https://community.cartalk.com/t/timing-problems-1990-chevy-van/44918/1 "2010-02-22T05:29:11Z")

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when i turn my distributer cap clockwise, it idols and runs fine, but when i give it fuel it back fires and seems to be getting to much gas. now when i turn it counter clockwise, it seems good but it wont idol, it stalls, and anywhere in the middle it sounds like a deisel engine.( like crap) can someone give me any ideas please??

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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:** [February 22, 2010, 3:20pm UTC](https://community.cartalk.com/t/timing-problems-1990-chevy-van/44918/2 "2010-02-22T15:20:06Z")

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Set the timing properly with a timing light. Then look for the “real” problem.  
I suspect a valve timing issue.