JDhomeservices
New member
Both of my pressure washers have GX 390 engines. Every morning when I first start them up, the RPM's fluctuate up and down and eventually sputter out. Seems to sputter out quicker if I leave them in bypass. I usually have to fool with them for about 30 minutes letting water run through them and restarting them a few times until they're warmed up, and they're usually good for the rest of the day. Anything I can do to fix this?
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