Owners manual, or under the hood written on a placard. Also any parts store can tell you the proper gap.
how to chang spark plugs in a 1992 Pontiac grand prix
for what motor? a 3.8 L would be 0.060
on a 3.1 it is 0.60
2005 Pontiac Grand Prix 3.8L SFI OHV 6cylThe Spark Plug Gap.060 (In thousandths of an inch) 2005 Pontiac Grand Prix 5.3L SFI 8cylThe Spark Plug Gap.040 (In thousandths of an inch)
The spark plug gap for a 2007 Pontiac Grand Prix is .060. Most plugs come pregapped for your vehicle but it is always a good idea to check them.
.060 in
all the spark plug wires are on it
Push.
Your 1996 Pontiac Grand Prix will experience cylinder misfires when one or several of the spark plug wires are bad. A bad spark plug can also cause the problem.
The 1993 Pontiac Grand Prix 3.4 liter engine spark plug gap should be .028. Most spark plugs come pre-gapped from the manufacturer.
Follow the high tension wire to the plug, which is deeply recessed into the head.
If you've already replaced the spark plug wires, try removing the spark plug boot heat shield.