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MONITORS WORK...EXHAUST LEAK SOMEWHERE...PROBS. WITH PASSING SMOG...2001 TAURUS

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4 years 1 month ago #38367 by mark11
MONITORS WORK...EXHAUST LEAK SOMEWHERE...PROBS. WITH PASSING SMOG...2001 TAURUS was created by mark11
2001 ford taurus ses...6 cycl 3.0 liter 24 valve dual overhead cam...186 00 miles...

Having probs passing smog...monitors work on last test...mar 14 2020...
...but it sounds like exhaust leak might be adding to the non pass.

new UPPER catalytic converter installed 2019...
installed new LOWER cat converter MAR 10 2020...

Can't see ANY holes in exhaust pipe itself...
maybe the gaskets-flanges on the LOWER CAT CONV. install weren't done right?

Thanks.

MARK11
MT1111@LIVE.COM

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4 years 1 month ago #38374 by Landroverman1958
Replied by Landroverman1958 on topic MONITORS WORK...EXHAUST LEAK SOMEWHERE...PROBS. WITH PASSING SMOG...2001 TAURUS
If available smoke exhaust system,easiest to find a leak,

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4 years 1 month ago #38375 by John Curtis
Replied by John Curtis on topic MONITORS WORK...EXHAUST LEAK SOMEWHERE...PROBS. WITH PASSING SMOG...2001 TAURUS
If a smoke machine isn’t available use a shop vac over the exhaust on the blow port and spray soapy water around the exhaust
Making Pressure Differential Sensors (PDA Sensors) for pressure pulse diagnostics.
Currently servicing Central Texas.

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4 years 1 month ago #38379 by Tyler
Replied by Tyler on topic MONITORS WORK...EXHAUST LEAK SOMEWHERE...PROBS. WITH PASSING SMOG...2001 TAURUS
What was the specific reason for the smog failure? Trouble code? Tailpipe emissions?

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