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Low coolant light will not shut off?

Tiny
PSJ011777
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • 6.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 284,786 MILES
Replaced the coolant reservoir, and the light still won't turn off. I recently replaced the block heater as well. Also had the fuel injectors were replaced due to 3 of them cracking and forcing all the oil out of the engine and replacing it with diesel. Truck runs fine, and there are no leaks other than a small power steering leak.
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Sunday, March 5th, 2023 AT 11:03 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,650 POSTS
Hi,

There is a chance we lost ground or sensor is faulty. Did you also replace the sensor?

Interestingly, I found a technical service bulletin (TSB) related to this issue, so it must be a common problem.

If you look below, I attached the diagnostics from the TSB. Take a look through them and let me know if you are comfortable performing them.

Take care,

Joe

See pics below.
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Sunday, March 5th, 2023 AT 10:30 PM

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