Error code P0300 multiple cylinder misfire

Tiny
CODY LEE
  • MEMBER
  • 1997 FORD THUNDERBIRD
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 98,000 MILES
What could be what could be the cause of the random multiple cylinder misfire?
Saturday, August 31st, 2019 AT 10:21 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a problem with a vacuum leak on your vehicle's intake manifold. Here is a link below for how to find a vacuum leak:

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please go through this guide and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Sunday, September 1st, 2019 AT 2:31 AM

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