2004 - 2008 F-150
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my engine shakes alot

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Old Jan 31, 2014 | 11:56 PM
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cris_svt90's Avatar
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One that coming out of baseball practice I turn on my truck and it just started shaking a lot if it wants to turn off I have a YouTube video of it it has like a 150,000 miles it is stock with no cats


 
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Old Feb 1, 2014 | 12:10 AM
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That sounds horrible . . . is that not throwing any codes?
 
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Old Feb 1, 2014 | 12:14 AM
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Yes it is po174 its says running lean
 
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Old Feb 1, 2014 | 02:48 AM
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Did you get the vehicle tuned to turn off the rear O2s because you don't have cats?
 
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Old Feb 1, 2014 | 09:42 AM
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You have one of the following: Vacuum leak after the MAF, faulty MAF, insufficient fuel supply.

I'd change plugs too at 150k... along with the fuel filter... they are a little overdue if you haven't done so already.
 
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Old Feb 1, 2014 | 12:28 PM
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No I haven't turned off the o2s

And I have changed the spark plugs but not the fuel filter Thanks
 
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Old Feb 1, 2014 | 02:03 PM
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MAF and fuel filter are really easy to access and replace, so start there. Vacuum leak will be harder to identify.
 
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Old Feb 3, 2014 | 09:43 PM
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ouch..
 
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