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Ask the Expert: Why Is the Temperature Gauge in my 2012 Nissan Titan High?
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(Posted on May 19, 2019 at 07:07PM by Billy Kirk)

Sup, Robert!â€¨â€¨

Quick question: Iâ€™m a little concerned about the temperature gauge in my 2012 Nissan Titan. On a trip yesterday, it read a little high as I was returning home at the end of the day. I havenâ€™t had the need to take the truck out today but figured Iâ€™d get your thoughts ahead of potentially having it looked at.

Thanks, Bill

Bill,

Thanks for checking inâ€”and itâ€™s fantastic that you already plan on having your 2013 Nissan Titan checked out! As you know, high-temperature readings are nothing to sneeze at, as the underlying issue may be, quite frankly, catastrophic if not attended to. Here are a few of the most likely issues:

Your thermostat may simply be malfunctioning/failing! In this case, youâ€™re off the hook. The truck itself is fine and operating normallyâ€”youâ€™re just getting a false temperature reading. This can be fixed up in a jiffy with a coolant temperature switch replacement.
Your water pump or water pump gasket may be on its way out. This, of course, would necessitate a more significant repair.
Your pickup may be leaking coolant. Keep in mind that even a slight leak can have a profound effect, so check your coolant level and/or look under your pickup to determine if thereâ€™s a leak.
Your Titanâ€™s engine may be overheating.

We recommend taking your truck in immediately just in case, Bill. Call us with any further questions!