WELL I WENT AND BOUGHT A USED TBS AND PUT ON MY 2003 F250SD WITH 6.8 L AS SOON AS I DID MY EMISSION LIGHT CAME ON TRUCK STILL RUNS GREAT BUT LIGHT TOOK THE TRUCK TO MY LOCAL DEALER HE SAID I HAD A VACUME LEAK TOLD ME THAT THE LEAK WAS AT THE TBS CAN SOME ONE GIVE A LITTLE ADVISE I NEED HELP

BIGFOOTSD

 

You bought used. Did ti come with used gaskets? Get some new ones and reinstall.

JMC

 

TBS's dont work but do make a cool noise and yeh sound like just gasket leak..

 

Advice on TBS'ers. Read here first and save yourself the time, effort, money, and hassles.

 

i agree 100% with max