PITTSBURGH — Casey Hampton believes greatness is still within reach for the Pittsburgh Steelers, even if at the moment the only thing Hampton’s team has a firm grasp on is maddening inconsistency.

“Going forward I feel like we’re going to win every game,” the veteran nose tackle said. “That’s what we’ve got to do to get in the playoffs.”

Better that than try to rely on the kind of help the Steelers received on Sunday, when a demoralizing 34-24 home loss to San Diego did minimal damage to their postseason hopes. Pittsburgh ended the day in the same position it began, holding onto the AFC’s final wild card spot.

The grip, however, is sure to get slippery if things don’t turn around quickly.

“We can’t be happy just because other teams lost and we’re still in it,” linebacker Larry Foote said. “It’s one of those gut-checking times.”

Maybe it’s a good thing the next three weeks hardly look like gimmes. Pittsburgh has done its best work this season when backed into a corner, and a road trip to Dallas (7-6) followed by home games against AFC North rivals Cincinnati (7-6) and quickly improving Cleveland (5-8) to wrap up the regular season is sure to get the Steelers’ attention.

If not, a season that looked promising a month ago will end before the calendar flips to 2013.

“Good teams have to find a way to win,” defensive end Brett Keisel.

Even if it’s hard to tell which side of the equation the Steelers are on at the moment. A resume that includes wins on the road at Baltimore, Cincinnati and the New York Giants also includes losses to Oakland, Tennessee, Cleveland and the Chargers, who are a combined 17-35.

The Chargers, finishing out the string under likely lame-duck coach Norv Turner, dominated the first 40 minutes and built a 27-3 lead en route to winning in Pittsburgh during the regular season for the first time in franchise history.