TVIS probloms
07-29-2008, 06:06 PM
Post: #1
TVIS probloms
Banging head HEy guys i don't kwon if my TVIS is working so i don't know how to test it i know that it works by vacumm Undecided (or am i worng..?) so if anybody can tell me how to test it to see if it's working

'85 Corolla Sprinter Trueno GT-APEX
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07-30-2008, 08:12 AM
Post: #2
TVIS probloms
What are the symptoms? If the TVIS isn't working correctly you should have less torque in the lower rpms.

You can test it by revving it above 5000 rpm on the throttle and look around the vacuum canister under the TVIS: it should open (above 5000rpm) and close (under 5000 rpm) the butterflies when working correctly.

1982 - TA60 Carina 4dr sedan - fun cruiser
1983 - AE86 Sprinter Trueno - import project
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07-30-2008, 03:42 PM
Post: #3
TVIS probloms
Well it's hard to rev it to 3000 RPM but after that the engine works good

'85 Corolla Sprinter Trueno GT-APEX
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08-01-2008, 06:03 AM
Post: #4
TVIS probloms
More info needed! What's hard about getting it to 3000rpm? Is it slow going, does it splutter (technical term Tongue )?

When you say it's good above 3000, do you mean runs normally, vibrations, noise, emissions?
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08-10-2008, 12:36 AM
Post: #5
TVIS probloms
CoolinAE86 Wrote:Well it's hard to rev it to 3000 RPM but after that the engine works good

That isnt your TVIS.

What does your engine diagnosis tell you.

Ecu could be in limp home mode because of a simple sensor error or vacumm leak.

Could be a busted h/gasket aswell.

Steve.....this is sparrrrrtan
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08-12-2008, 05:52 AM
Post: #6
TVIS probloms
Make sure that you're vacuum lines are connected right with the EVAP canister.

Fully Restored 1985 Corolla GT-S
1987 328ci SR20DET Drift Car
1989 Honda Civic Si-R Current Project
2002 Corolla CE Daily Driver

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