If you’re wondering how to fix a pressure washer pump, a leak or something else, follow Repair Clinic’s troubleshooting guide to make sure you have the proper diagnosis. The last thing you want to do is buy a new part only to find that your problem was something else altogether. Start with our list of symptoms, then enter your model number in the search field and you’ll be sure you’re buying the right part and making the right repair. Our how-to instructions will help.