loud sucking on idle
#1
loud sucking on idle
My 99 7.3 has a problem when it kicks into its high idle mode when it's been started in cold weather. It idles smooth but once the high idle comes on to warm up the truck a very loud sucking noise can be heard coming from the exhaust. However the second you touch the accel pedal and the high idle mode kicks off so does the noise.
Any ideas?
Any ideas?
#2
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