Fuel vapor canister clogged

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07-16-2006, 02:43 AM

thepoz89

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Car: 89 Firebird 89 Formula one red one black

Engine: 350, 355

Transmission: 700r4

Fuel vapor canister clogged

How do you unclog the furel vapor cannister? what causes this to clog? Is it possible for it to clog so bad that it leaks fuel?
POZ

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07-16-2006, 12:11 PM

thepoz89

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Car: 89 Firebird 89 Formula one red one black

Engine: 350, 355

Transmission: 700r4

Any ideas? it stinks like gas

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07-16-2006, 12:26 PM

Dyno Don

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Car: '90 Trans Am-12.45@110.71

Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ

Transmission: Tremec T-56

Axle/Gears: 12 Bolt 3.73

I have seen this before, it is a charcoal canister, so I think you have to replace it.

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07-16-2006, 02:32 PM

redlsone

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Will this cause a gas smell when you stop or after filling the tank?

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07-17-2006, 12:41 PM

ResurrectingZ

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Car: 1987 IROC 1991 RS

Engine: 5.7 TPI 5.0 TBI

Transmission: T-5 , 700R4

Axle/Gears: 2.73 twice

Don't these things fail after a couple of years anyhow? Read that on another forum on TGO.

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07-17-2006, 10:52 PM

thepoz89

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Car: 89 Firebird 89 Formula one red one black

Engine: 350, 355

Transmission: 700r4

Quote:

Originally Posted by redlsone

Will this cause a gas smell when you stop or after filling the tank?

I am not sure, I just smelled the problem and observed that there was "sweating" on the fuel lines that were on the frame rails. I changed the fuel lines out and the smell near the cannister went away... I think what the problem was, was that there was air coming into the lines kinda like what happens when you sip through a straw with a hole in it. I think this caused additional vapors to be created and thus the gas smell coming from the cannister because there is no longer any gas smell from that area...
POZ
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Quote:

Originally Posted by ResurrectingZ

Don't these things fail after a couple of years anyhow? Read that on another forum on TGO.

Probably. I just heard from someone that they could be rebuilt...

Last edited by thepoz89; 07-17-2006 at 10:54 PM. Reason: Automerged Doublepost

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