Chevy Cruze jerks around 30kph to 50 kph

2013 CHEVROLET CRUZE
96,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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SOLEHRIA
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Hi
I own a chevrolet cruze 2013 lt hatchback 1.8L.
The car jerks a bit between 35kph to 60 kph speeds. It wont jerk if keep accelerating but if i lift the foot off the accelerator it will jerk. The rpm also when accelerating from 40kph to 60kph goes to 3000 from . on other speeds the ride as smooth as it can be.

I recently changed spark plugs and not much of a difference is noticable.

Can anyone please give me a clue of what could the problem be.
Oct 11, 2015 at 9:28 AM
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HMAC300
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scan for codes and check fuel pressure with a gauge auto parts rent gauge.
Oct 11, 2015 at 10:20 AM