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Catconverter burn-up..
#16
if the live test fails then we test the vacuum devices, many.
the live test, kicks off with.
hot engine,
idle normal to start.
1mph or faster (rear tires off ground VSS clicking away. factor stock Care, VSS in speedo head stock) transmissions are in GEAR, to spin rear drive shaft.
then VSV1 opens, and then you open the throttle and vacuum hits the VSV1 and VSV opens now and vacuum hits the MOD port.
if cat back pressure is not 0 or not 10psi,(melted) the MOD sends the correct vacuum to the EGR main and it opens and flows exh gasses to the intake EGR mono port.
as you increase RPM (and mph) the flow increases in direct proportions to cat back pressure,

this is how EGR works LIVE
in the old days 1993? or 92, no need to spin real wheels at all. and EGR opens even parked in neutral. seeing it open may take a MIRROR on any 16v.
As you can see most of this takes 2 men ( or Gal) one to drive jacked up in the air,and one to use a mirror to watch the DIAPHRAGM move inward.
Not a very safe test, but taking off rear tires would make this saver. the rear axle turns and the speedo cable spins and the speed clicks VSS and EGR opens.
the rear axle drive prop shaft must turn even gently so.... be safe ok?
http://www.fixkick.com
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Messages In This Thread
Catconverter burn-up.. - by TomPrestin - 11-19-2019, 06:40 AM
RE: Catconverter burn-up.. - by fixkick - 11-19-2019, 09:07 AM
RE: Catconverter burn-up.. - by fixkick - 11-19-2019, 09:10 AM
RE: Catconverter burn-up.. - by TomPrestin - 11-19-2019, 09:33 AM
RE: Catconverter burn-up.. - by fixkick - 11-19-2019, 11:14 AM
RE: Catconverter burn-up.. - by TomPrestin - 11-19-2019, 12:25 PM
RE: Catconverter burn-up.. - by fixkick - 11-19-2019, 10:45 PM
RE: Catconverter burn-up.. - by TomPrestin - 11-19-2019, 09:23 AM
RE: Catconverter burn-up.. - by fixkick - 11-19-2019, 10:55 PM
RE: Catconverter burn-up.. - by fixkick - 11-19-2019, 11:09 PM
RE: Catconverter burn-up.. - by TomPrestin - 11-21-2019, 06:39 PM
RE: Catconverter burn-up.. - by fixkick - 11-20-2019, 12:05 AM
RE: Catconverter burn-up.. - by TomPrestin - 11-20-2019, 02:13 AM
RE: Catconverter burn-up.. - by fixkick - 11-20-2019, 01:11 PM
RE: Catconverter burn-up.. - by TomPrestin - 11-20-2019, 06:17 PM
RE: Catconverter burn-up.. - by fixkick - 11-20-2019, 11:08 PM
RE: Catconverter burn-up.. - by fixkick - 11-20-2019, 11:21 PM
RE: Catconverter burn-up.. - by fixkick - 11-21-2019, 12:40 AM
RE: Catconverter burn-up.. - by fixkick - 11-21-2019, 01:02 AM

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