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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.


 
 
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Old Tue, February 22nd, 2011, 02:20 AM
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Quote:
Originally Posted by Lariat4x485 View Post
I have been having the same problem. At about 55 - 60 mph my truck starts shaking, engine light turns on. After that i read the dtc, I had 2 trouble codes. The first one said Cylinder 8 Misfire and the second that there was an error reading the trucks computer. I cleand my air filter, change fuel filter and tomorrow im changing the spark plugs and the connector. Any helpfull info what might be wrong???? Thanks in advance..
What motor and year of truck?
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