Hi, Maintenance Brian. We are glad to see you have been happy overall with the quality & performance of your new 4000 PSI pressure washer. If you would like to give our team a call directly at 877-362-4271 or email us at productsupport@simpsoncleaning.com, we would be happy to do a little troubleshooting to see if we can resolve the throttle issue for an even better experience. We appreciate you sharing your feedback and hope you will be in touch!

We're sorry to hear about the leak & would like to learn a bit more. Would you reach out to our team directly at 877-362-4271 or email us at productsupport@simpsoncleaning.com? We hope to pinpoint the source & determine the best way to resolve the issue as soon as we can. Thanks for reviewing & we hope to hear from you!

Hi, Pmyers- It's great to hear that you're happy with the performance! Thanks so much for taking the time to leave us your feedback.

It's great to hear your 4000 PSI pressure washer has proven enjoyable to operate, and it has performed for a five-star cleaning experience worthy of your recommendation. Show off your results any time by tagging #simpsonclean on social media and we'd love to see your before/after photos. Thanks for taking the time to review, Taylor M!

It's good to hear you've been happy with the sturdy quality & we'd like to learn more about the pump issues you've encountered. If you would reach out to our team at 877-362-4271 or email us at productsupport@simpsoncleaning.com, we hope a little troubleshooting will determine how to smooth out this performance as quickly as possible. Thanks for sharing your feedback & we hope to hear from you soon, Dave@98!