7.3 IDI possible exhaust leak

[Mathieu Gilbert]

Alright guys, I thought it was an injector and when I checked there was only a little ticking coming from the cylinder #7. It is running fine otherwise... I suspect it could be an exhaust leak (manifold maybe?). I also recorded a video of the sound accelerating. The video isn't as clear as what I heard in real life, basically it sounds like air is coming out of the exhaust manifold only when you put a load on the engine.

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[renjaminfrankln]

Sounds like an exhaust leak. Crawl under there and see where you find some black soot on the exhaust system.. there's your leak

 

[Mathieu Gilbert]

Sounds like an exhaust leak. Crawl under there and see where you find some black soot on the exhaust system.. there's your leak

I tried today but it was muddy, so I couldn't get under the truck completely. If there is multiple black soot spots, I guess I'll have to change the exhaust completely. If I can't find black soot...what could it be?