Engine runs rough after about ten minutes

Tiny
LORI SHOFFEITT
  • MEMBER
  • 1990 NISSAN MAXIMA
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Runs for 10 minutes then starts running rough and the 2 fans won’t kick on. Also, the temperature gauge on the dash doesn’t show it’s hot.
Saturday, May 7th, 2022 AT 1:12 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The first item you need to check is the coolant temperature sensor.
The sensor provides a signal for the gauge and the cooling fan to come on.

https://www.2carpros.com/articles/how-a-coolant-temperature-sensor-works

The coolant temperature sensor is located on the water inlet housing.

I have attached diagrams below for your reference.

Let me know of any questions.
Thank you.
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Saturday, May 7th, 2022 AT 4:22 PM

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