running rough, but NO check engine light

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Old Jan 11, 2017 | 05:47 PM
  #31  
REDHoLIO's Avatar
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Is this a place to find help and answers or is this a reddit thread?
 
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Old Dec 7, 2020 | 12:57 PM
  #32  
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From: Utah
Hey guys i have a question i have a 2007 f150 5.4 that had a real bad leak coming from around power steering pump. I got under it looked like it was coming from the oil cooler but leak was so bad i couldnt tell. Oil was dark brown so i didnt think it was the power steering pump so i sprayed the area with engine cleaner and sprayed it off with water turns out the power steering pump was bad. After i cleaned the engine the truck had a real bad rough idle. i have a performance exhaust so u can hear it out the exhaust real bad. I take it to pep boys and they install a new power steering pump hit me over the head almost $800. they say they ran an engine diagnostic and it aint pulling no codes. Ive pulled the MAF sensor cleaned it rubber on it was good. I replaced the engine 20,000 miles ago and had the transmission rebuilt with a performance upgrade. Any thoughts before i go spend 250 on coil pack set?
 
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Old Dec 7, 2020 | 03:11 PM
  #33  
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glc
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JGarza2016, please start a new thread. Your question has nothing to do with the thread topic, which is about a 1998 4.6.
 
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Old Dec 7, 2020 | 03:21 PM
  #34  
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I think you said the misfiring started when you washed the engine. Maybe you got the coils wet. Check that out.
 
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Old Dec 7, 2020 | 04:04 PM
  #35  
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Ok im fixing to try that now hopefully that's what it is. Thank you
 
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