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problems with 5.4 after engine wash?

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Old Jun 9, 2015 | 12:11 PM
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problems with 5.4 after engine wash?

Hi. I have a 2001 ford expedition with the 5.4 v8. Last week i left it to a company to clean it ( incl cleaning the engine room) after that the service engine lamp is on this is one of the error codes. Any idea what to do?
 
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Old Jun 9, 2015 | 09:50 PM
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Sounds like they fried a COP/COPs or blew a vacuum hose off. Bank 1 is P. side I'd expect a misfire code shortly if it is a COP or injector issue.

Code means the right side of the engine is running lean.
 
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Old Jun 10, 2015 | 12:04 AM
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Old Jun 10, 2015 | 12:07 AM
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It indicates lean on both banks, no missfire, but i also noticed that mow i cant change the vent inside the car (panel/floor etc) is that also vaccum controled? Thank you for your help



 
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Old Jun 11, 2015 | 06:55 PM
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Yes both banks and air not changing is vacuum. Must be a major hose pulled off somewhere.
 
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