20 Most Recent 2006 Lincoln Navigator - Page 7 Questions & Answers

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Air Conditioner Not Functioning

It may still be low on freon. It can hold several cans.High side should be around 250psi and low around 35 or 45psi at idle if system is charged.If you raise engine speed the low can drop below 20psi and switch off the compressor if the system is low on freon.Could be a restriction in the system, bad relay, or bad a/c compressor-clutch.
6/25/2012 11:23:25 PM • 2006 Lincoln... • Answered on Jun 25, 2012
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I hear knocking coming from the engine. What causing the problem

check the oil level make sure its full how many miles on it ?.what also can cause the noise is lean fuel . bad O2 sensor of MAF sensor hope this helps
4/14/2012 2:25:42 AM • 2006 Lincoln... • Answered on Apr 14, 2012
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