Hi All have emglo air mate am 83 compressor with 4 hp honda gx120 engine have not used alot went to use would run for 20 seconds or 30 seconds n dies .Took it to shop first they cleaned carb no go then put new carb n hose n filter no go disconnected low oil sensor yellow n green wire no go .Took to another shop they checked coil changed spark plug n gas cap no go .compressor does build air when runs for that short time . These shops all said they did every thing they can also changed oil in engine n pump .Does anyone have any ideas .Also changed air filter.At Witts End any help would be great