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Old Feb 9, 2013 | 02:26 PM
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Need some advice!

I have a 04 F-150 FX4 5.4L. The problem I have is my truck will idle rough and it shuts off when I'm parked. I pulled the codes and they are P2197, P2195, P0300, P0171, P0174. I thought it might be the MAF sensor but I put a new one in and it didn't get any better. Any advice would be greatly appreciated. Thanks
 
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Old Feb 15, 2013 | 01:30 PM
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Anyone have an opinion?
 
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Old Feb 15, 2013 | 08:51 PM
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I just Google'd one of your codes and came up with this thread which seems to apply to most of the codes you have.

https://www.f150online.com/forums/v8...195-p2197.html
 
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Old Feb 15, 2013 | 10:02 PM
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That thread is for a 4.2 V6 that has an IAC and isolator bolts. Your 5.4 doesn't. However, you DO have all kinds of places to look for vacuum leaks.
 
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Old Feb 22, 2013 | 01:49 PM
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Would the throttle position sensor have anything to do with my problem?
 

Last edited by mccoy0120; Feb 24, 2013 at 07:27 PM.
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