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Rough idle after new exhaust install

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Old May 8, 2014 | 06:16 PM
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wyosf1's Avatar
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Rough idle after new exhaust install
I just installed a new exhaust on my 2013 F150 Ecoboost and it now idles rough when stopped and in drive. I had a local muffler shop install a 3" cat back system consisting of a magnaflow resonator and a magnaflow 5 x 11 muffler. Anyone else notice their truck idling rough after a new exhaust.
 
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Old May 18, 2014 | 12:00 AM
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Installed flowmaster cat-back dual exhaust on my 2012 5.0
idled fine
 
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Old May 18, 2014 | 10:43 AM
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An exhaust kit should not effect the idle or engine at all. Unless they damaged a front O2 sensor in some manner.
 
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Old May 18, 2014 | 11:15 AM
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From: Burleson/Athens/Brownsboro, TX
Originally Posted by DarrenWS6
An exhaust kit should not effect the idle or engine at all. Unless they damaged a front O2 sensor in some manner.
Agreed.
 
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