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Air conditioner not working

Tiny
PURECHE
  • MEMBER
  • 9 POSTS
Sorry for the late reply.
I finally fixed the A/C issue.
The engine coolant temperature sensor was bad. The irony is that I replaced this as first part before replacing the A/C compressor and apparently got an OEM defective one. The engine gauge runs on a different sensor so the reading on the gauge was showing good.
The engine wasn't running hot but that bad ECTS was sending my PCM a bad signal telling it that the engine was running at 255 degrees.
Once I replaced the ECTS everything stayed at 190 degrees and A/C worked as supposed to.
Thanks
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Monday, August 3rd, 2020 AT 11:08 AM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,444 POSTS
Thanks for the reply. Glad you found the problem. The bad parts issue happens a lot these days, it's getting to be an interesting problem when you don't know if the new part is any better than the failed one.
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Monday, August 3rd, 2020 AT 11:08 AM (Merged)

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