2002 PS Weird noise
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4wd Low
Joined: Nov 2021
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The more I think about this the more I'm convinced it's a blown glow plug. Really not a big deal. Like a spark plug that blew out in a gas engine. They make a racket when they blow out because of the high speed air puffing out the spark plug hole. This engine, it's under the valve cover, so it's partially muffled. Just fix the plug and you're back in business
I agree with this theory.
About 3 years ago, my L99 7.3 had a very similar noise after glow plug #7 fell apart inside the engine. The guts of the glow plug fell into the cylinder and the hollow body of it stayed, allowing compression directly into the valve cover. It sounded almost exactly like the truck in the video. After replacing the glow plug(s), it was fine. I'd bet the heating element of that glow plug is still in the muffler.
edit: Here's a link to the thread I started when my 7.3 ate a glow plug. There's even a before and after video.
https://www.ford-trucks.com/forums/1...he-dust-6.html
About 3 years ago, my L99 7.3 had a very similar noise after glow plug #7 fell apart inside the engine. The guts of the glow plug fell into the cylinder and the hollow body of it stayed, allowing compression directly into the valve cover. It sounded almost exactly like the truck in the video. After replacing the glow plug(s), it was fine. I'd bet the heating element of that glow plug is still in the muffler.
edit: Here's a link to the thread I started when my 7.3 ate a glow plug. There's even a before and after video.
https://www.ford-trucks.com/forums/1...he-dust-6.html
Thanks for all the responses!!! will go the glow plug route and if that is it going to get it. If not will walk away. Will keep you all updated either way. Fly out to Orlando tomorrow for work and am going to check it out.
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BlackNGoldRules
1983 - 2012 Ranger & B-Series
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Jul 17, 2009 01:35 PM
