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03 Expy Starting hard

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Old Jan 3, 2009 | 09:45 PM
  #1  
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03 Expy Starting hard

03 Expedition with 113,000 miles takes 2-3 attempts to start. New plugs did not help. Starter cranks fast enough, just wont take off. Thoughts?
 
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Old Jan 3, 2009 | 10:21 PM
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From: hazleton pa
If its not spark its fuel long as there is no cel try lucas fuel injecter cleaner to clean the fuel system up ... could be a number of things really fuel air filters sensers. Best bet is to get a diagnostic done at a firestone or local tire shop then do the work yourself labor gets pricey......
 
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Old Jan 4, 2009 | 12:08 AM
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Press slightly on the gas pedal the next time you attempt to start it. If it starts considerably easier your AIC valve is sticking. Another possibility is low fuel pressure.
 
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Old Apr 18, 2009 | 04:03 PM
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AIC Valve

Can anyone explain where this AIC valve is exactly? Cant find a manual on this year.

Thanks in advance!!
 
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Old Apr 18, 2009 | 10:26 PM
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5.4 top rear of engine.
4.6 top front of engine.
 
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