Just the other day, We had a 2001 Buick Le Sabre in with an Evap code, and I was using the Verus, just dinking around with it. I had noticed there was no Evap Service Bay Test (ESBT)for this year. I know a little trick, from using Tech2's, always look a year or two back or forward. You may get lucky and be able to use that test.
So, no problem, I told the Verus that this Le Sabre was a 2000 and sure enough, the 2000 supported a ESBT. Of course, the vehicle was too hot to run that test, so I couldn't. ECT must be below 158 F and sometimes even lower than that.
Anyhow, it turns out that the Fuel filler neck was badly rusted and had to be replaced. After repairs, my tech decided to use the Tech2 to do the "Service Bay Evap Test" (SBET) which is what GM calls it. He could not find the test identifying it as a 2001, 2000, 1999, 0r 2002, so he gave up.
This time I was able to use the Verus for the ESBT since it had cooled off, ran that test and it passed with no codes and set the Evap monitor to "ready".
I think the deal was with the SBET on the Tech is that GM periodically removes the SBET from some vehicles and doesn't tell any body. I was told that it was for accuracy issues, mainly false fails, so be careful. Maybe at that point Snap-On had already adapted the test for 2000 Le Sabre?
At any rate, here is the TSB where GM decided to eliminate the SBET on many 2000-2002 models:
#02-06-04-014: SMU - Elimination of the Service Bay
Test Procedure - (Mar 7, 2002)
Subject: Elimination of the Service Bay Test Procedure
Models: 2000-01 Buick Century, Regal
2001 Buick LeSabre, Park Avenue, Park Avenue Ultra
2000-01 Cadillac DeVille, Seville
2000-02 Cadillac Eldorado
2000-01 Chevrolet Impala, Monte Carlo,
2001-02 Chevrolet Camaro, Venture
2001 Oldsmobile Aurora, Intrigue
2001-02 Oldsmobile Silhouette
2001 Pontiac Bonneville, Grand Prix
2001-02 Pontiac Firebird, Montana
with 3.1, 3.4L, 3.5L, 3.8L, 4.0L or 4.6L Engine (VINs J, E, H, K, 1, C, Y, 9 --
RPOs LG8, LA1, LX5, L36, L67, L47, LD8, L37)
This bulletin is being issued to eliminate the Service Bay Test from the Service Information
diagnostic procedures and it has also been disabled from the Tech 2 Scan Tool for the engine
families listed above.
This information has been updated within SI2000 for the 2000 through 2002 model years. If you
are using a paper version of the Service Manuals listed above, please make a reference to this
bulletin on the affected page.
The technician is now instructed to use the verification procedure referenced in the Test Guidelines
for Use of Essential Tool J 41413-200, Evaporative Emissions System Tester, in Corporate Bulletin
Number 01-06-04-044.
Notice, they never told why they eliminated the SBET. Again, be careful because it is possible to get a false fail or even a false pass if there is a small leak using the SBET on a car that GM eliminated the SBET on. Too bad they didn't fix that situation (too late?) and add it back to the Tech2, then of course Snap-on would adopt it also.
Bob
So, no problem, I told the Verus that this Le Sabre was a 2000 and sure enough, the 2000 supported a ESBT. Of course, the vehicle was too hot to run that test, so I couldn't. ECT must be below 158 F and sometimes even lower than that.
Anyhow, it turns out that the Fuel filler neck was badly rusted and had to be replaced. After repairs, my tech decided to use the Tech2 to do the "Service Bay Evap Test" (SBET) which is what GM calls it. He could not find the test identifying it as a 2001, 2000, 1999, 0r 2002, so he gave up.
This time I was able to use the Verus for the ESBT since it had cooled off, ran that test and it passed with no codes and set the Evap monitor to "ready".
I think the deal was with the SBET on the Tech is that GM periodically removes the SBET from some vehicles and doesn't tell any body. I was told that it was for accuracy issues, mainly false fails, so be careful. Maybe at that point Snap-On had already adapted the test for 2000 Le Sabre?
At any rate, here is the TSB where GM decided to eliminate the SBET on many 2000-2002 models:
#02-06-04-014: SMU - Elimination of the Service Bay
Test Procedure - (Mar 7, 2002)
Subject: Elimination of the Service Bay Test Procedure
Models: 2000-01 Buick Century, Regal
2001 Buick LeSabre, Park Avenue, Park Avenue Ultra
2000-01 Cadillac DeVille, Seville
2000-02 Cadillac Eldorado
2000-01 Chevrolet Impala, Monte Carlo,
2001-02 Chevrolet Camaro, Venture
2001 Oldsmobile Aurora, Intrigue
2001-02 Oldsmobile Silhouette
2001 Pontiac Bonneville, Grand Prix
2001-02 Pontiac Firebird, Montana
with 3.1, 3.4L, 3.5L, 3.8L, 4.0L or 4.6L Engine (VINs J, E, H, K, 1, C, Y, 9 --
RPOs LG8, LA1, LX5, L36, L67, L47, LD8, L37)
This bulletin is being issued to eliminate the Service Bay Test from the Service Information
diagnostic procedures and it has also been disabled from the Tech 2 Scan Tool for the engine
families listed above.
This information has been updated within SI2000 for the 2000 through 2002 model years. If you
are using a paper version of the Service Manuals listed above, please make a reference to this
bulletin on the affected page.
The technician is now instructed to use the verification procedure referenced in the Test Guidelines
for Use of Essential Tool J 41413-200, Evaporative Emissions System Tester, in Corporate Bulletin
Number 01-06-04-044.
Notice, they never told why they eliminated the SBET. Again, be careful because it is possible to get a false fail or even a false pass if there is a small leak using the SBET on a car that GM eliminated the SBET on. Too bad they didn't fix that situation (too late?) and add it back to the Tech2, then of course Snap-on would adopt it also.
Bob
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