# Car revs high 93 probe 4 cyl 5spd

**URL:** <https://community.cartalk.com/t/car-revs-high-93-probe-4-cyl-5spd/51476>\
**Category:** Maintenance/Repairs\
**Tags:** probe, ford\
**Created:** [July 8, 2010, 4:12am UTC](https://community.cartalk.com/t/car-revs-high-93-probe-4-cyl-5spd/51476 "2010-07-08T04:12:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![enoodles82](https://avatars.discourse-cdn.com/v4/letter/e/51bf81/32.png) [@enoodles82](https://community.cartalk.com/u/enoodles82)\
**Post date:** [July 8, 2010, 4:12am UTC](https://community.cartalk.com/t/car-revs-high-93-probe-4-cyl-5spd/51476/1 "2010-07-08T04:12:20Z")

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So I just changed the head gasket and put back together. Took the car for a test drive and noticed right after the start up the rpms were high. Then dropped to normal idol. As soon as I hit the gas it revs up, but when I release there is a delay until the rpms drop. Took on drive and rpms did not drop between gears and when in n at stop sign the rpms stayed around 2k. What could be causing this?

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**Author:** ![kizwiki](https://avatars.discourse-cdn.com/v4/letter/k/7cd45c/32.png) [@kizwiki](https://community.cartalk.com/u/kizwiki)\
**Post date:** [July 8, 2010, 4:35am UTC](https://community.cartalk.com/t/car-revs-high-93-probe-4-cyl-5spd/51476/2 "2010-07-08T04:35:59Z")

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Well, it could be worse, you could have done all that work only to find that the car barely runs or doesn’t run at all.  
I think the car needs a couple of trips to adjust to the repairs you have made. The car’s diagnostics weren’t designed just to improve emissions; they also keep the car running in adverse conditions. A higher rpm at idle prevents stalling.

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**Author:** ![UncleTurbo](https://avatars.discourse-cdn.com/v4/letter/u/e9a140/32.png) [@UncleTurbo](https://community.cartalk.com/u/UncleTurbo)\
**Post date:** [July 8, 2010, 10:21am UTC](https://community.cartalk.com/t/car-revs-high-93-probe-4-cyl-5spd/51476/3 "2010-07-08T10:21:32Z")

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In doing the head gasket work it is possible a vacuum line has been hooked up improperly. Whoever did the head gasket job needs to recheck their work.