The Sky Blues game which sees Cardiff back in second place was one of only seven Championship matches which went ahead today.
Leaders QPR who travel to the Ricoh Arena on Tuesday, warmed up for that game with a 4-0 victory over fourth placed Swansea City in a game that was ten a side for seventy minutes after Hill and Tate were sent off.
Leeds are down to third after drawing 2-2 at Leicester City.
Jon Stead gave Bristol City the lead but Reading scored four times at the Madejski Stadium to win and move into seventh, whilst eight placed Burnley won 2-1 at Barnsley.
Millwall got their first point in five trips to Fratton Park with a 1-1 draw at Portsmouth whilst Hull City won 3-2 at Sheffield United.
In the Premier League, Steve Kean's Blackburn lost 2-0 at home to Stoke City whilst Aston Villa who have Gary McAllister as a coach lost 2-1 at home to Tottenham.