QX4 2WD V6-3.5L (VQ35DE) (2003)
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low ambient temperatures
The cold type spark plug is suitable when spark knock may occur with the standard type spark plug such as:
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extended highway driving
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frequent high engine revolution
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Do not use a wire brush for cleaning.
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If plug tip is covered with carbon, spark plug cleaner may be used.
Cleaner air pressure: Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time: Less than 20 seconds
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Checking and adjusting plug gap is not required between change intervals.
