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I inspected my plugs now the engine is running terrible what did I do?

Tiny
JORDANMM024
  • MEMBER
  • 1987 NISSAN 300ZX
  • 196,000 MILES
HI,
I have a 87 Nissan 300zx non-turbo and I recently took out my plugs and visually checked them they all looked really good so I put them back in now when I start my car up it has a horrible clunking noise from the top end and eventually makes the motor stall, when revved the clunking noise increases checked the plugs again still all look good. What is this noise?
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Monday, November 21st, 2011 AT 5:30 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would not run the car till you find the failure. The valve cover has to come off and find the issue.

This is best done by a shop as they are more familiar with these issues.

Roy
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Monday, November 21st, 2011 AT 5:46 PM

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