shuddering

2002 FORD F-150
6 CYL • 2WD • AUTOMATIC
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ADAM.STUDEBAKER
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i just put a new torque converter in my2002 f150 2wd v6 with r70 trans. i also had the tranni rebuilt. it ran great for a few hundred miles but now the engine shudders and chugs when i accelerate from a stop. once im moving it runs fine and only does this in gear, not in park or neutral i know its not the cats cause i pulled the o2 sensors and it still did it
Feb 17, 2011 at 9:40 PM
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BILLYMAC
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i would suspect a bad coil or wire you need to pin this problem down to one cylinder..and go from there.
Feb 18, 2011 at 2:26 AM
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ADAM.STUDEBAKER
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i was thinking this but im not getting a mifire code. ill test the coil and wires though..............
Feb 18, 2011 at 6:24 PM
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BILLYMAC
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ok if you need us we are here to help
Feb 18, 2011 at 10:45 PM
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ADAM.STUDEBAKER
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coil primary and secondary resistances tested well as well as wires, spark plugs are a little worse for wear, will replace and see......
Feb 19, 2011 at 5:13 AM
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BILLYMAC
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well let me know what you find we are always happy to try and help
Feb 22, 2011 at 12:24 AM