Hello this is Tangelo from the Home Depot Community!
Sorry to hear about the problems you are experiencing. First off, have you checked the oil level? Next, how old is the lawnmower? Toro lawnmowers have a 2-Year Full Warranty, and "3-Year Guaranteed to Start". So if qualify for the "3-Year Guaranteed to Start" you need to follow the instructions below.
Instructions for Obtaining Warranty Service
If you think that your Toro Product contains a defect in materials or
workmanship, or if a normal, able-bodied adult can no longer start your
product's engine in one or two pulls, follow this procedure:
1. Contact any Authorized Toro Service Dealer to arrange service at their
dealership. To locate a dealer convenient to you, refer to the Yellow
Pages of your telephone directory (look under “Lawn Mowers”) or
access our web site at www.Toro.com
. You may also call the numbers
listed in item #3 to use the 24-hour Toro Dealer locator system.
2. Bring the product and your proof of purchase (sales receipt) to the
Service Dealer. The dealer will diagnose the problem and determine
if it is covered under warranty.
3. If for any reason you are dissatisfied with the Service Dealer’s
analysis or with the assistance provided, contact us at:
Customer Care Department, RLC Division
The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Toll free at 866-214-9807 (U.S. customers)
Toll free at 866-214-9808 (Canadian customers)
I hope this helps, if you have any more questions you can find me on our website at community.homedepot.com