Tony Clubb says there is a long-list of areas to address in training this week – claiming they “couldn’t have played any worse” against Huddersfield.
The Warriors’ winning-streak came to an end with Sunday’s 16-16 stalemate.
But they remain unbeaten and, with Castleford losing at Salford, moved a point clear at the top of the table.
Clubb says they will need to make big improvements if they are to hang onto their position in the No.1 spot.
The 29-year-old said: “We couldn’t have played any worse, we were terrible.
“We were panicking, throwing silly balls, and that’s not us.
“There’s tons we need to improve on, starting with getting back to doing the basics well. When we ramped up and ran straight, it worked for us. But our general play was erratic, we talk about being patient with the ball.
“If you play one-out rugby you’ll get chewed up in this league.
“It’s a tough one to take. I suppose a draw was a fair result. We’re still unbeaten, that’s a positive.”
Wigan lost captain Sean O’Loughlin and forward Jack Wells within the opening eight minutes, forcing Shaun Wane to shuffle his line-up and the props to play longer minutes.
“It did have an impact, Lockers not only plays big minutes, but he’s a playmaker too,” continued ex-London Broncos captain Clubb.
“We didn’t have a backrower on the bench, we had to rearrange the side, but it’s still no excuse for the way we played.
“Things like that do disrupt you but nothing should change in the way we play.
“We know what we need to improve before we play Hull.”
Lee Radford’s outfit beat Widnes 32-12 in their last outing, their third straight victory.
Wigan won two of their four meetings with Hull FC last year.
“They’re a big team, they’re playing well and it’ll be a big challenge for us,” added Clubb.
“We’re confident we’ll get it right.”
No players from Wigan’s draw with Huddersfield were cited by the match review panel yesterday.
Meanwhile, a report elsewhere linking Wigan with a move for rugby union’s Kyle Eastmond is thought to be wide of the mark.
Warriors have no interest in signing the ex-St Helens halfback, the Wigan Post understands.