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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Weird bucking/shaking

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Old Feb 2, 2015 | 08:43 PM
  #1  
copen93's Avatar
copen93
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Weird bucking/shaking

I have a weird shaking that I assume is a misfire because now I can start to feel it in lower speeds, before it was just in like 30 - 40 when the overdrive kicks but now sometimes I am feeling it a lot. Usually if I punch the throttle it goes away but once I slow down and the overdrive kicks back in it comes back. It's like a shaking, it shakes my dash and IS VERY ANNOYING. I changed the fuel filter last weekend this would solve the misfiring, it did for like 2 days but it got even worse! Today I changed the spark plugs (Spark plugs looked clean), distributor cap and rotor and now it has an even WORSE idle, it sounds so ugly. I have no idea what to do! Any ideas?I changed the wires a month or two ago but today when I was trying to push them all down on the distributor cap I got shocked? Can it be the wires being faulty?
 
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Old Feb 2, 2015 | 10:09 PM
  #2  
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moosey78
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Unplug your green EGR vac line and plug it and see if it fixes it. There is a write up on the solution in the 300 i6 category.
 
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Old Feb 2, 2015 | 10:56 PM
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copen93
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Originally Posted by moosey78
Unplug your green EGR vac line and plug it and see if it fixes it. There is a write up on the solution in the 300 i6 category.
Yeah I found that solution but I forgot to unplug the black wire for the battery so it can forget the settings, I will do it before school and see if it changes in the morning. Will report back. I also plugged the Vacuum with a plastic bag.
 
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