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VZ Jolts When Accelerating

dannyboy1

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Apr 13, 2016
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melb
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VZ Commodore Exec Sedan 2005
I have a problem with my VZ Commodore Executive. Occasionally when I enter a freeway, the car will jolt when accelerating. It doesn't happen always, but enough now for me to notice. It usually occurs when I'm travelling from 70k-85km. I especially noticed it when I was driving up on the West Gate Bridge the other day. So on an incline. The car will jolt (almost shudder) not very aggressively but I can definitely feel it when driving.

The first thing that comes to mind is my transmission, but it doesnt always happen so hoping something more simple Any ideas?
 

SavVYute

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Nov 26, 2009
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Townsville
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VY S V6 Ute Series II 2004
One of your ignition coils may be breaking down under load or a spark plug lead's connection may be dirty or loose.
 
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