2001 Ford Focus SE SPI transmission slip or jerking - Focus Fanatics
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Old 10-05-2010, 04:47 PM   #1
Joemoe98
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2001 Ford Focus SE SPI transmission slip or jerking

I am going on the expressway at 70mph and then i have to slow down to 40mph because a semi got over for a cop, then when I speed up to pass the semi at about 50mph, my car starts to jerk a little bit, then it eventually stops and I go back to 70mph no problem. My question is: What is the jerking and why is is doing it? And how do I fix it? I think its the transmission, my car only has 65,000 miles on it. If anyone else has this problem, let me know.

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Old 10-05-2010, 05:07 PM   #2
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I've been reading that my solenoid might need to be replaced? Sound right?
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Old 10-05-2010, 06:18 PM   #3
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Are you sure it's the trans? "Jerking" sounds like ignition. Slipping or shuddering sounds like transmission, but shuddering is usually a low-speed thing.
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Old 10-05-2010, 08:31 PM   #4
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How could it be the ignition though? And how can I fix that? it jerks a little bit back and forth.
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Old 10-05-2010, 09:21 PM   #5
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its either a shift solenoid or the valve body needs to be replaced. is your trans fluid level okay? what color? is it dark or is it a bright almost see thru red?
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Old 10-06-2010, 07:14 PM   #6
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It was my spark plug wires.
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Old 10-06-2010, 09:09 PM   #7
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okay. so not trans jerking. it was misfiring. makes sense. hence my username.
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Old 10-07-2010, 11:46 AM   #8
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lol, true, yeah i just thought it was the trans. based on the jerking.
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