97 7.3 turbo powerstroke waste gage/gate problem - Ford Powerstroke Diesel Forum
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Old 03-08-2013, 01:01 PM
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97 7.3 turbo powerstroke waste gage/gate problem

Starting this Monday the waste gage/gate (not sure which one is right) started to sound like a tea kettle. Ony seems to do it on cold starts. I looked at the turbo today and cannot find anything wrong. I'm not sure what can be makeing it sound like that. The truck was in the shop last week for a new water pump can that have anything to do with it? Also can I keep driving the truck like that? I need help!!!
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Old 03-08-2013, 01:41 PM
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You don't have a waste gate. You do have an Exhaust Back Pressure Valve that closes when it's cold to help warm up the engine. Unless it's staying on all the time or coming on when it's warm, it is working as intended.
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Old 03-08-2013, 01:56 PM
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I can hear when it comes on and off but it's also making a tea kettle whistle at the same time when the truck is cold once the truck warms up it stops. I've had the truck for 5 years and it never once made a tea kettle whistle before now.
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Old 03-08-2013, 02:00 PM
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Just a WAG, but maybe you have an exhaust leak somewhere upstream of the EBPV, and when the valve closes, it forces more exhaust out via the leak, which creates your tea-kettle noise.
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Old 03-08-2013, 02:03 PM
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It might be a leak in the up pipes. Can you hear the tea kettle sound when your working the engine or making boost?
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Old 03-08-2013, 02:07 PM
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Exhaust manafolds are leaking ($$$$$ pit) but have been like that since I got the truck. I check the clamp on the turbo for my exhaust pipe and its tight. I wiggled and tugged at all pipes for the turbo nothing is loose or cracked.
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Old 03-08-2013, 02:09 PM
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Quote:
Originally Posted by JSchuricht View Post
It might be a leak in the up pipes. Can you hear the tea kettle sound when your working the engine or making boost?
Making boost I can still hear a little whistle when I take off from a stop.
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