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Diesel Addict
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Discussion Starter · #1 ·
2005 6.0 148k mi , I have Innovative tunes currently running street file. Truck runs ok but if I rev in neutral at around 2500 rpm and quickly let off throttle the rpms drop well below 500.. Truck sounds and acts as if it's about to die.. Then catches itself and resumes idling normally. Never seen this before. No codes, fuel pressure averages 59 psi.. FICM is at 48v constant.. What can be causing it to choke?
 
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