Tuesday, January 13, 2015

Car jerking at constant rpm while driving?

i have honda civic 1999 exi. During the drive the car shuffles and takes small jerks normally between 2 to 3k rpm speed, i got scanned my car nothing found, get new fuel filter installed and try Hi octane fuel but problem still persists. When i accelerate the car it stops jerking. Any body help?
Added (1). i also cleaned fuel injectors last month
Added (2). please note its a dual fuel driven petrol and and cng as well. When i shift it on cng (compressed natural gas) it runs normally and well without jerky drive. Seems problem with petrol only

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