1994 Pontiac firebird 3.4
SOURCE: spark plug gap
Notice: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.
Gap the spark plug, using round wire type spark plug gap gage.
Gap Adjust the spark plug gap to 1.14 mm (0.045 in).
DO NOT coat the spark plugs with anti seize compound. Over torquing could occur and damage to the cylinder head threads may result.
If your going to use Platnum plugs, DO NOT GAP them. Just check the gap and if there not the right gap, ask for new one's with the right gap.
The metal on the PLatnum plugs, are harder and my break apart in the cylinder .
Good luck and hope this helps
SOURCE: 2001 Firebird 3.8 misfires
Check your alternator see if you have a drop in voltage on your tack,then it is the problem.I too was a victim of high price tune up and still had a problem with a misfire.and cover your coil pack with a piece of rubber water run of onto your power pack .Another thing is to use a silicone spray on all wires.
SOURCE: what do you gap a spark plug at for a 1998 pontiac
Hello ryanjnichols: My name is Roger and I can help. You did not say which engine is in your car. So here are the plug gap for the two engines listed. The plug gap for a 2.2 engine is .040 inch. And for the 2.4 engine the gap is .060 inch. Should you need further help please just ask. Please rate the answer you received. Thank You for using Fix Ya. Roger
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