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drath85 08-31-2012 10:29 AM

I was wondering if anyone has a problem with their spi getting a little jerky when they're up to cruising speed, with the gas pedal barely pushed in? It never idles rough, nor does it have a problem acceleratg. Can't tell if its an engine or a trans kind of jerk, all fluids are good, any ideas?

focusauto01 08-31-2012 03:28 PM

I'm not sure what you mean by jerking. Jerking could be from anything. From alignment, to electronical devices, front suspension, or fuel problems. When does the jerk take place? When you shift? When you go over bumps? When you accelerate? Does it sound like the motor and tranny shifting, or does it feel like the front end jerking or swaying?

drath85 09-01-2012 06:44 AM

No its either an engine thing or a Trans thing. Its hard to describe, it feels almost like a miss fire but it only happens around 50 or 60mph when I give it very little gas

05focusST91 09-01-2012 06:57 AM

It could be a light miss or a throttle body issue, any codes?

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