He Won 91 Grand Prix's and 7 Championships
how to chang spark plugs in a 1992 Pontiac grand prix
what specific sensors?
Michael Schumacher, World Champion in 1994,1995,2000,2001,2002,2003 and 2004 has won 91 Grand Prix, more than any other driver in history.
the best fuel would be 91 octane or premieum.
The 1991 Pontiac Grand Prix oxygen sensor is located on the outside of the air filter housing. You will find the sensor on the back side of the air filter housing.
passenger side floorboad behind the relay panel in the dash
kbb.com will be a good place for you to find out that value on the 91 grand prix you can also do a search on autotrader.com see if you can locate a vehicle like yours. Remember the car is only worth what someone is willing to pay for it, but using these tools you can get a good idea how much to ask for.
NO a grill from a 87 will not fit a 91. Only a grill from 88 , 89 or a 90 will fit. They don't even look the same.