.044 gap on tubro
.039 -.043
It is near the first spark plug on the passenger side almost hidden under the intake plenum
.32 to .35
Remove the coil pack for each spark plug, then reach inside the hole with a ratchet extension and unscrew them.
it should be "0.44"
In the back of your car, under the floor mat, on the driver's side is a "tool kit". It includes your jack,wheel stops,etc. In this kit is a LONG TUBE. This is your spark plug remover!!! Simply remove your spark plug cable and reach into the plug hole with the tool and unscrew the plug out. Before removing the plugs blow out any dirt that is around the plug, the dirt if not removed may get into the cylinder when you change the plugs.
There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.
0.044 is your spark plug gap.
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SPARK PLUG GAP2002 Nissan/Datsun Sentra 1.8L SFI DOHC 4cylThe Spark Plug Gap.043 (In thousandths of an inch)