Ford Mustang Forum - View Single Post - Transmission problem? 2004 Ford Mustang, V6/3.9
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post #6 of (permalink) Old 11-09-2009 Thread Starter
MODQUAN's Avatar
Joined: Nov 2009
Location: FALL RIVER
Posts: 3
Thanks !

Hi Folks,

Took the car to Ford today and got to the root of my problem. Apparently, I bottomed out and crushed one of the catalytic converters. In doing so the impact I guess caused the honeycomb particles inside to be crushed and break into pieces blocking and restricting air flow out the exhaust. Soooo, the pressure needs some where to go and if it can't go out the tail pipe it ends up building up in the engine and causes the vacuum line to blow a hole in it releasing the pressure. This is also what is causing the transmission to appear like something is wrong with it as well. I'm replacing it tomorrow and car should be running as normal. Thanks for all your suggestions!

Last edited by MODQUAN; 11-09-2009 at 08:27 PM. Reason: changed mind
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