TVS Switch for 1994 L69 5.0
TVS Switch for 1994 L69 5.0
I’m looking for the correct TVS switch for my ‘84 Trans Am. This appears to be connected to the charcoal canister and is located on the intake manifold near the water neck. The original one is broken. There is a number embossed on the outside 3049287. That may be the GM part number? I checked the inter webs and found the A/C Delco p/n 212-101. Both of these numbers seem to be discontinued. I saw another thread with a similar issue and the recommended part number was
GM 10055876. Is this the correct part number for
my application?
GM 10055876. Is this the correct part number for
my application?
Last edited by Car Guy Phx; Sep 22, 2025 at 01:02 PM.
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Re: TVS Switch for 1994 L69 5.0
Only difference among them is the temp at which they allow the EFE valve (flapper thing in the exh pipe right below the pass side manifold) to open. No idea why they have more than one.
Good to have the "right" one of course, butt in the grand scheme, not real critical.
Good to have the "right" one of course, butt in the grand scheme, not real critical.
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Mark_ZZ3
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Aug 12, 2004 03:07 PM










