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Random misfiring

Tiny
PEDRO REIS
  • MEMBER
  • 2009 HOLDEN APOLLO
  • 137,000 MILES
Hi,
Engine is a statement L76 V8
Drive side bank three cylinder is not working.
Passages side two of them are not working as well.
I swap spark plug not working same cylinder fail.
swap coil packs not working same cylinder fail.
Swap spark cables same cylinder fail.

Any other suggestion what problem could be?
Thank you for your time
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Tuesday, September 6th, 2016 AT 10:56 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 POSTS
Check the fuel injectors they can fail, causing the problem you have described, here is a guide that will help you.

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Please let us know what you find so it will help others.

Best, Ken

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Wednesday, September 14th, 2016 AT 6:29 PM

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