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2003 lean bank 1,2 codes restricted performance light

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Old May 2, 2019 | 05:47 AM
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Mike 8897's Avatar
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Default 2003 lean bank 1,2 codes restricted performance light

I have a vacuum leak on passanger side behind supercharger . Smoke test shows small amount of smoke in that area . Can't see we're it's comming from. Tried spraying with no luck. Any suggestions where this vac leak could be comming from . Been an on going problem I'm about to tear down top end and replace everything myself,
 
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Old Aug 24, 2019 | 12:32 AM
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How do u do a smoke test
 
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Old Aug 24, 2019 | 04:17 AM
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Originally Posted by Mike 8897
I have a vacuum leak on passanger side behind supercharger . Smoke test shows small amount of smoke in that area . Can't see we're it's comming from. Tried spraying with no luck. Any suggestions where this vac leak could be comming from . Been an on going problem I'm about to tear down top end and replace everything myself,
99% of the time it’s the brake booster vacuum port on the right side of the intake elbow below the bypass diaphragm.
 
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Old Aug 24, 2019 | 07:10 PM
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Yes that is a prime suspect!

Look here for a very in depth repair.

Brake Booster Leak
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.
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