Mary B Fair Oaks Ranch , TX November 02, 2014 4 burner jennaire expression gas cooktop two burners would not light when knobs turned on the burners themselves would spark when the other two knobs were turned on Replaced igniter under each burner knob. Used needle nose pliers to remove the electrical connections (2) of the igniter then slipped it off the gas valve shaft. Replaced with new igniter (click in place) and replaced electrical connectors. Took about 15 minutes to complete. Read More... 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Pliers, Screwdrivers