# Uphill

**URL:** <https://community.cartalk.com/t/uphill/81849>\
**Category:** Maintenance/Repairs\
**Created:** [October 20, 2013, 1:03am UTC](https://community.cartalk.com/t/uphill/81849 "2013-10-20T01:03:10Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![Dzig](https://avatars.discourse-cdn.com/v4/letter/d/eada6e/32.png) [@Dzig](https://community.cartalk.com/u/Dzig)\
**Post date:** [October 20, 2013, 1:03am UTC](https://community.cartalk.com/t/uphill/81849/1 "2013-10-20T01:03:10Z")

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I have a 95 Subaru that has major engine miss and engine smoke up hill I replace knock sensor fuel pump n filter spark wires what else could it be

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**Author:** ![jtsanders](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jtsanders](https://community.cartalk.com/u/jtsanders)\
**Post date:** [October 20, 2013, 1:08am UTC](https://community.cartalk.com/t/uphill/81849/2 "2013-10-20T01:08:53Z")

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How many miles? Smoke sounds like blow-by. You may have more than one issue to address.

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**Author:** ![Dzig](https://avatars.discourse-cdn.com/v4/letter/d/eada6e/32.png) [@Dzig](https://community.cartalk.com/u/Dzig)\
**Post date:** [October 20, 2013, 2:44am UTC](https://community.cartalk.com/t/uphill/81849/3 "2013-10-20T02:44:33Z")

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270,000.

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**Author:** ![VDCdriver](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/vdcdriver/32/30_2.png) [@VDCdriver](https://community.cartalk.com/u/VDCdriver)\
**Post date:** [October 20, 2013, 2:48am UTC](https://community.cartalk.com/t/uphill/81849/4 "2013-10-20T02:48:02Z")

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With over 200k on the odometer, I would strongly suggest that the OP have a compression test done on the engine. Depending on the outcome of that test, it may not be a good idea to continue to fix this 18 year old car.

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**Author:** ![RepairRookie](https://avatars.discourse-cdn.com/v4/letter/r/0ea827/32.png) [@RepairRookie](https://community.cartalk.com/u/RepairRookie)\
**Post date:** [October 20, 2013, 3:02am UTC](https://community.cartalk.com/t/uphill/81849/5 "2013-10-20T03:02:31Z")

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is it throwing any codes?

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**Author:** ![Dzig](https://avatars.discourse-cdn.com/v4/letter/d/eada6e/32.png) [@Dzig](https://community.cartalk.com/u/Dzig)\
**Post date:** [October 20, 2013, 3:35am UTC](https://community.cartalk.com/t/uphill/81849/6 "2013-10-20T03:35:52Z")

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No engine codes

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**Author:** ![Dzig](https://avatars.discourse-cdn.com/v4/letter/d/eada6e/32.png) [@Dzig](https://community.cartalk.com/u/Dzig)\
**Post date:** [October 20, 2013, 3:59am UTC](https://community.cartalk.com/t/uphill/81849/7 "2013-10-20T03:59:04Z")

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Got half way up hill With engine miss turned around to go back down hill and ran with no problems

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [October 20, 2013, 4:06am UTC](https://community.cartalk.com/t/uphill/81849/8 "2013-10-20T04:06:54Z")

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Sparks plugs with too large of gap (the gap widens over time as they wear) can cause missing and pinging going uphill. With these symptoms, it is probably wise to replace the PCV valve and make sure all PCV hoses and ports are not clogged w/gunk. A compression check and timing check is in order too.