SUBSCRIBE ► http://bit.ly/SubscribeSkyF1 Christian Horner reacts to Max Verstappen's second DNF of the season and suggests the issue may not have been engine related. Add the Sky Sports F1 TV channel to your Sky package by clicking here ► http://bit.ly/WatchSkyF1 MORE FROM SKY SPORTS F1: ►FACEBOOK: http://www.facebook.com/SkySportsF1 ►INSTAGRAM: http://www.instagram.com/SkySportsF1 ►TWITTER: https://www.twitter.com/SkySportsF1 MORE FROM SKY SPORTS ON YOUTUBE: ►SKY SPORTS FOOTBALL: http://bit.ly/SSFootballSub ►SKY SPORTS BOXING: http://bit.ly/SSBoxingSub ►SOCCER AM: http://bit.ly/SoccerAMSub ►SKY SPORTS CRICKET: http://bit.ly/SubscribeSkyCricket ►SKY SPORTS: http://bit.ly/SkySportsSub