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Unread 08-15-2012, 11:48 AM   #1
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Default Opel-skilled people wanted..

I have a 94 Opel Corsa City, that has been very well looked after and just recelntly has started acting up.
It "jerks" when im driving, without the clutch or break being in motion. Ive refilled all the liquids, which has helped but the jerking is still there, and ive noticed its taking a lot of cooling liquid. The windshield wipers have also stopped working, which i dont know if has any thing to do with the jerking..
The oil and oilfilter has recently been changed. And it should also be mentioned that my fan is a little off key as well.. Does all this add up to anything?

any help/suggestion is appreciated!

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Unread 08-15-2012, 12:29 PM   #2
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So while driving the car is jerking, hesitating or surging?

Is this while trying to hold a steady speed or while accelerating or both.

How does the car run flat out, when accelerating full throttle?

How severe is the jerking, just noticeable or very noticeable?

It could be many things.

It could be a bad ignition, like wires or spark plugs.
It could be a fuel starvation problem, like a very bad fuel filter or injector or a weak fuel pump.

I am not familiar with that car
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Unread 08-20-2012, 04:31 AM   #3
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Quote:
Originally Posted by Mr Car Guy View Post
So while driving the car is jerking, hesitating or surging?

Is this while trying to hold a steady speed or while accelerating or both.

How does the car run flat out, when accelerating full throttle?

How severe is the jerking, just noticeable or very noticeable?

It could be many things.

It could be a bad ignition, like wires or spark plugs.
It could be a fuel starvation problem, like a very bad fuel filter or injector or a weak fuel pump.

I am not familiar with that car
The car is definatly jerking, it seems like it happens more when the rpms are low, if the rpms are high it does it less.
At low speeds it jerks more than at higher speeds and when the car runs flat out while accelerating it runs great.
The jerking is very noticable, its almost like a cough when i drive..

thanks for your help anyway

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Unread 08-20-2012, 11:39 AM   #4
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You should check the basics like I suggested.

Check spark plugs for wear.

If the engine has plug wires, check for cracks or worn insulation. You can mist the wires with a spray bottle of water in the dark while running to see if you see or hear sparks, or if the engine starts stumbling or running rough.

If the engine has a distributor remove the cap and rotor and check for carbon tracks inside, like pencil lines.

What year is the car?

Can you post a good pic of the engine? I might be able to cross it over to something we have here.
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