Code P0300

2009 NISSAN MURANO
29,861 MILES • 3.5L • 6 CYL • 4WD • AUTOMATIC
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ANDRIN ATEM
  • MEMBER
  • 410 POSTS
I have replaced ignition coils/plugs no changes. I am confused on how to go about this, no diagrams to no way. Please can you guys help me out on what is it? i really have to check. also how to test EGR valve using a multimeter.
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Jan 25, 2021 at 1:06 AM
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SEVAG P
  • ✓Experienced Mechanic
  • 405 POSTS
Hello.

fault code p0300 means multiple cylinder miss fire, there are many things that can cause this fault code.it can be vacuum leak, low fuel pressure, dirty fuel filter.

check our guide bellow how to repair miss fire.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

check our link below how to check vacuum leak

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

check link below how to check EGR valve.

https://youtu.be/DqUCbbKdWf4

check the table below for possible causes for fault p0300.

let us know what happens with you.

thank you.
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Jan 25, 2021 at 7:24 AM
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