Super Duty & Heavy Duty1999 to current Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines
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6.0 making strange noise when I let off on the throttle
If while going slow or from a stop I accelerate rapidly then suddenly release pressure on the throttle there is a loud noise from the engine compartment. It sounds like it is coming from the air intake area, maybe like a valve is slamming shut and causing the engine to choke. If I release the throttle slowly with no load on the engine this does not happen. Any ideas?fficeffice" />>>
Sounds like "turbo fart". That's a normal sound, particularly on a cold engine, although it is louder if you have an aftermarket cold air intake. Because these engines do not have a waste gate, excess boost pressure can backflow when you let off the throttle suddenly.
Folks call me Bill. Why, yes, it is a 6 liter. Your jealousy is showing.
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