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KA/C help diagnosing my gauge readings please

Old 05-15-2018, 02:39 PM
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Default KA/C help diagnosing my gauge readings please

Hi all! I bought a used set of mastercool gauges and need help deciphering what I found. It’s on a 2004 fx4 with 5.4.

ambient 75 f
not running low 80, high 85

2k rpm low 43-19 when compressor kicks in every 7 seconds, high 100-135.

vent 67.5 f

What is this telling me to do?

Thank you!

Not sure why title says ka/c. I meant a/c.

Last edited by CoastalLifePhoto; 05-15-2018 at 02:46 PM.
Old 05-16-2018, 09:43 PM
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I’ve stumped 88 people so far with this question. Are you next?


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