West Ham remain bottom of the Premiership after a scoreless stalemate with Blackpool, whose boss Ian Holloway again named a totally different team to that in midweek.
Victor Obinna fired over the bar for the Hammers before former host’s striker Marlon Harewood's effort was ruled out for offside.
Gary Taylor-Fletcher then missed a great chance for the Seasiders and the points were shared at Upton Park.
City have now won just once in five game as Carlos Tevez had an effort ruled out for handball.
Mancini then took off the Argentinean to protests from the City fans and replaced him with Gareth Barry.
Bolton moved into fifth after a win at Wolves, but they almost threw away a three goal lead before hanging on to triumph 3-2.
Wolves remain firmly in the relegation places after going behind in the first minute when Richard Steadman headed into his own net.
Johan Elmander then doubled Bolton's lead with a little over an hour gone.
Stuart Holden made it 3-0 when he finished off a passing move five minutes later.
The home side immediately pulled one back when Kevin Foley curled the ball home and they reduced the deficit further through Steven Fletcher's header.
Despite intense pressure the Molineux side could not find the equaliser in a frenetic final 13 minutes.
The host’s were four goals clear by the 75th minute but then sloppily conceded two late strikes.
Referee Andre Mariner actually awarded a questionable penalty to Spurs just after the half hour when Paul Robinson was adjudged to have brought down Peter Crouch but Pavlyuchenko put the ball wide.
Spurs, though, lost their concentration as they allowed Ryan Nelsen to deflect David Dunn’s shot goalward and Gael Givet to pull two goals back in the last 10 minutes.