A/C compressor will not kick in. What might be keeping it from engaging?

Asked by GuruM1PNJ May 22, 2020 at 11:07 AM about the 2010 Ford F-150 FX4 SuperCrew 4WD

Question type: Maintenance & Repair

AC compressor won't kick in.  System pressure is good.  Relay is good.  
New pressure sensor installed.  Compressor still won't kick in.  Jumped the
compressor from the hot side of the relay to the power for compressor and it
ran. Initial problem was the blend door was stuck in hot.  Changed actuator.  
Still stuck.  Changed cabin HVAC controller.  Blend door worked but
compressor would not kick in.

2 Answers

The relay was changed. If I replaced the HVAC control on the dash would anything need to be done to make sure that it is communicating effectively with the rest of the system.

135,865

Stop monkeying around with it and take it to an A/C pro before you screw up something expensive.

Your Answer:

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