# Wrong temp reading on anolog gauge

**URL:** <https://community.cartalk.com/t/wrong-temp-reading-on-anolog-gauge/41493>\
**Category:** Maintenance/Repairs\
**Tags:** mercury, doors\
**Created:** [December 29, 2009, 11:43pm UTC](https://community.cartalk.com/t/wrong-temp-reading-on-anolog-gauge/41493 "2009-12-29T23:43:39Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![johnk1202](https://avatars.discourse-cdn.com/v4/letter/j/90db22/32.png) [@johnk1202](https://community.cartalk.com/u/johnk1202)\
**Post date:** [December 29, 2009, 11:43pm UTC](https://community.cartalk.com/t/wrong-temp-reading-on-anolog-gauge/41493/1 "2009-12-29T23:43:39Z")

</div>

when the engine is cold on start up the gauge will jump above a 50 % reading.there is no over heating or loss of fluid.car has heat.changed temp sensor closest to the top radiator hose without a fix.can u tell me next part and location?

---

<div class="post-metadata">

**Author:** ![tardis](https://avatars.discourse-cdn.com/v4/letter/t/f0a364/32.png) [@tardis](https://community.cartalk.com/u/tardis)\
**Post date:** [December 30, 2009, 12:17am UTC](https://community.cartalk.com/t/wrong-temp-reading-on-anolog-gauge/41493/2 "2009-12-30T00:17:10Z")

</div>

It’s a Grand Marquis. They stopped making the Marquis long before 1995. Anyway, try [www.crownvic.net](http://www.crownvic.net) for specific help for your car and problem.