Question about 2000 GMC Sonoma Extended Cab
1. Low Press = 50PSI 2. High Press = 135PSI 3. Engine running 4. A/C Compressor Clutch Engaged 5. All valves between Freon can and (low side) double checked open. 6. Turned everything off. 7. Re-checked for pressure coming out of both high and low side ports from A/C. 8. Rechecked Freon (gas) freely able to come from can to end of hose. 9. Tried again - still failed to **** in Freon. 10. Anyone else ever experience this?
Posted by Anonymous on
Close all valves, connect the can to hose, start the engine and set the A/C to on high and then open the can valve. I know you have the lines connected right cause they'll only go on one way. Open the low side valve on the gage set to let the Freon into the compressor. It will suck the Freon from the can completely. If not completely empty, set the can in a bucket of hot water and I guarantee it will empty. If this doesn't work friend, there's something wrong in your system. Possibly need to replace the nozzle. It has to work though. There's no changing these phisics.
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Posted on Jan 02, 2017
i think that the problem is your A/C needs more freon134a it seems that when it has run for sometime the pressure gets too low and cuts out the LP switch
Posted on Apr 10, 2009
not sure if this is the answer yet but i have the same problem with the same codes i work at an auto parts store and a few of the techs that are customers have lead me in the direction of changing the ignition switch, i am doing it today will let you know if it solves the problem
Posted on Jan 27, 2010
Smell of the oil,to see if the fuel injector(spider)is leaking into the crank case,if so,the intake will have to be removed to repair the problem,oh,and change the oil.
Posted on Jul 11, 2010
SOURCE: check you firing order
i have just change my spark plug and wire, i'm sure i did it correctly but how would you know if it is incorrect <div><br /></div><!-- from fixya rte -->
Posted on Aug 17, 2010
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