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Running rough

Tiny
SHARON COOKE
  • MEMBER
  • 2011 HOLDEN COMMODORE
  • 2.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
Suddenly running rough with a fair bit of smoke n strong smell of fuel. Starts easily but check engine came on and couldn't cancel alert for it.
Sunday, August 25th, 2019 AT 5:19 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,313 POSTS
Hello,

It sounds like an injector is stuck on could have shorted out etc. You should be able to remove all spark plugs and the cylinder with the wet/black plug will be the culprit. Here is a guide to help you test the injector once you have removed it:

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

Please run down this guide and report back.
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Monday, August 26th, 2019 AT 3:25 PM
Tiny
SHARON COOKE
  • MEMBER
  • 2 POSTS
Hi Ken, thanks for your reply. It has been diagnosed as cylinder 4 misfire. How is this repaired and is it expensive as I am on a pension?
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Wednesday, August 28th, 2019 AT 12:42 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,313 POSTS
The first thing we need to do is remove the spark plug and look at it then do a compression test. here are two guides to help us:

https://www.2carpros.com/articles/how-to-change-spark-plugs

and

https://www.2carpros.com/articles/how-to-test-engine-compression

Please run down these guides and report back.
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Thursday, August 29th, 2019 AT 9:49 AM

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