# 2001 Chevrolet Blazer won’t start

**URL:** <https://community.cartalk.com/t/2001-chevrolet-blazer-won-t-start/155087>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, blazer\
**Created:** [December 21, 2019, 12:06am UTC](https://community.cartalk.com/t/2001-chevrolet-blazer-won-t-start/155087 "2019-12-21T00:06:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![tom28](https://avatars.discourse-cdn.com/v4/letter/t/4491bb/32.png) [@tom28](https://community.cartalk.com/u/tom28)\
**Post date:** [December 21, 2019, 12:06am UTC](https://community.cartalk.com/t/2001-chevrolet-blazer-won-t-start/155087/1 "2019-12-21T00:06:31Z")

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Car stop due to low oil pressure when oil level was top off engine started. After about 1/2 hr engine would turn over but would not start. what are possible problems?

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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:** [December 21, 2019, 4:14pm UTC](https://community.cartalk.com/t/2001-chevrolet-blazer-won-t-start/155087/2 "2019-12-21T16:14:11Z")

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The list of possible problems is endless given your description. Is the check engine light on and what are the codes?

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [December 21, 2019, 4:32pm UTC](https://community.cartalk.com/t/2001-chevrolet-blazer-won-t-start/155087/3 "2019-12-21T16:32:55Z")

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A bad crankshaft position sensor would be at the top of my list.

[https://www.rockauto.com/en/catalog/chevrolet,2001,blazer,4.3l+v6,1371440,ignition,crankshaft+position+sensor,7196](https://www.rockauto.com/en/catalog/chevrolet,2001,blazer,4.3l+v6,1371440,ignition,crankshaft+position+sensor,7196)

Tester