2008 Nissan Pathfinder bad sparkplug

2008 NISSAN PATHFINDER
Avatar
KEITH 55
  • MEMBER
  • 1 POST
Engine Performance problem
2008 Nissan Pathfinder 6 cyl Two Wheel Drive Automatic

Engine is running rough, has 60,000 miles. How do I check for bad sparkplug?
Oct 16, 2010 at 9:33 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
BLACKOP555
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 10,386 POSTS
with the plugs in the vehicle you would need a high voltage oscilloscope to check the secondary firing voltages and compare them to spec.

with the plugs out of the vehicle just look at them.
Oct 17, 2010 at 10:46 AM
Advertisement