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2005 Ford Super Duty F-350 SRW Harley-Davidson Crew Cab 156 4WD

2005 Ford Super Duty F-350 SRW
Trim Info:
4-Wheel Drive, Crew Cab 6-3/4'
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October 31, 2012, 1:37 am

Fred J
 

Question: Cold engine performance

When first starting vehicle, exaust sounds muffled. after about 5 seconds I hear a short whistle sound and truck immediately starts running better and exaust flows normally out of the tailpipe. I don't have any codes showing and truck has a K&N air box on it.


November 3, 2012, 10:32 am

Richard W
Expert Mechanic

I would see if you have air injection. If you do I would make sure it's all ok.


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