Rough idle - Vauxhall Antara Forums
 
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post #1 of 6 (permalink) Old 9th October 2020, 19:42 Thread Starter
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Rough idle

Hi , new to site but always having a look , I have a 2012 2.2 se nav antara 4x4 , had a problem with engine vibration through steering wheel and floor when on idle , I ended up replacing the injectors , no difference , then turbo changed after inspection, turbo pipe changed , still no change , runs perfect , starts perfect , its idling at 700 rpm , stop start not working , button working , not heard the DPF going , any ideas , or anyone has this problem , its annoying as I love the car and had it from new
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post #2 of 6 (permalink) Old 11th October 2020, 10:06
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Hi Can you clarify something.

Is the engine running rough or do you just have a vibration issue ?

4 cylinder diesels are not the smoothest of things, especially the Antara, the engine develops a lot of torque.

If its at idle, then the turbo wouldn't do anything. if the DPF was blocked then the engine would have no power. Guessing could this be an injector issue or an engine mount issue.

Have you tried getting the engine codes read, you could try some injector cleaner. What about the air flow sensor they sometimes need cleaning, their is also a valve on the inlet to the intake manifold, apparently they can stick.

Not really sure,my engine sometimes hunts a little at idle, I can hear a diesel knock which goes after a few secs and then comes back, it just keeps repeating itself, it doesn't always do it. I was maybe thinking it could be a sticking air intake valve. I haven't quite figured out what this could be.

Richy
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post #3 of 6 (permalink) Old 14th October 2020, 19:54
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My antara also has vibration.it shakes the hole floor of car also the steering wheel
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post #4 of 6 (permalink) Old 21st October 2020, 09:32
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just sat this morning with my engine idling and I can feel the engine hunting through vibration in the body. I can feel the vibration every 6-7 seconds and it lasts for 2-3 seconds approx.

Has anyone had anything similar. Richy
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post #5 of 6 (permalink) Old 21st October 2020, 09:38
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Found this Youtube

This is exactly the noise that mine makes. Richy
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post #6 of 6 (permalink) Old 22nd October 2020, 06:52
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Does anyone have any idea what this is. Could if be a sticking valve or a dirty air flow sensor. It seems the engine refuses to settle into a consistent idling state and keeps adjusting itself. Any ideas why. Richy
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