2006 Hyundai Sonata "low pressure ac switch 2005" Questions

...pressure is low the switch won't work. Usually A/C systems are not hard to work on but they do need special tools, ie a vacume pumb, o rings, special oil, let me know if I can give you any more ...

...low pressure switch need to know what switches ac relay low side to ground in pcm The low side pressure switch in the AC low pressure line signals the PCM (computer control) to close ...

...low pressure switch is the likely cause.It is screwed into the large ac line near the firewall,witch is the cold line.If it is not there it is in the dryer,near the firewall,or under the air filter ...

...not coming on. What should I cheek first. The first thing to check is the pressures in the ac system. If it is too low on R134 the low pressure switch will prevent the compressor from turning

low pressure port. Normally it is the fatter of the two hoses coming from the compre3ssor.It should then kick in with the A/C switch engaged. If not you may have a bad fuse,switch,compressor,or relay.

receives no signal from Compressor cycling switch which in most Fords is located in the low side AC line from the compressor, the low pressure line is the larger of the 2 lines from the AC compressor.

...Dodge Ram Mega cab. A/C not working, Compressor Clutch will not engage. Will not except Freon 134A. Do I need to run bypass on high pressure switch? more like run a bypass on the low pressure ...

...no good. Relay will not engage if pressure switch thinks freon is low. This switch does sometimes fail. If you are sure freon is ok, use jumper wire to bypass low pressure switch and see what

can not find low pressure valve 2005 pacifica dont know,,, but need to know ,low side ac service port? or low presure switch?

...to the wrong port.  The low side should not go over 70 or 80 psi with a single can.Could be a relay, a low pressure switch, or the ac clutch on the compressor.  And it could be low on