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Hints

-If your ETA won't start up or you get a message about BIOS settings being incorrect, try these BIOS settings (pdf file).

If you want to get into the "Auxiliary Functions" menu, the password is usually something like 11111, 22222, 33333, 44444, etc. If you still can't get in, you can retrieve the password from the hard drive if you have a SCSI card in your PC:

1) Remove the back panel.
2) Remove the hard drive from it's cage. Handle it carefully, observe static precautions.
3) Connect the drive to your SCSI card, Don't forget a power supply cable.
4) Boot your PC and look for two additional drives in My Computer. The ETA hard drive has two partitions.
5) Look for a file called "CA_INFO.DAT" in the ETADATA directory in each partition. Both partitions have the directory, only one has the CA_INFO.DAT file.
6) Open the file with a text editor, it's just a text file. The passwords are in the file. See my example here. DON'T make any changes to the file.

-The oxygen sensor only lasts about two years. You can easily replace it yourself (see below), new O2 sensors are about $70 on Ebay, part #697-88886, or just search for an R-22A oxygen sensor for a Sun, Bear or Allen smog machine.

-You can get calibration gases from Emission Supply in West Chester, PA .They will ship free if you buy 4 or more bottles. They also have O2 sensors.

-You can get filters from Perry Enterprises in Chatsworth, CA, (818) 700-1963.

-If you get a messages about low flow, insufficient flow through bench, etc. the hoses in the bench are probably crumbled. Just replace them with clear plastic vinyl hose (1/4" ID x 3/8" OD) from your local hardware store. The heat, exhaust gases and shop environment make any hoses over 20 years old suspect.

-If you have an Allen SEA or DEA, you can network it's gas bench to your ETA. Connect a cable between the RS232 ports on the backs of the SEA/DEA and BAR 90, fire up the BAR 90 and choose "SEA/DEA Network Mode" from the main menu. The SEA will then use the gas bench from the BAR 90. Press the "Escape" key on the BAR 90 keyboard to exit the network mode.

-Your ETA's cooling air filter is probably falling apart due to age. Don't run the unit without a filter - the insides will fill up with dust and grime, especially in a shop environment.

An easy fix is to remove all the black foam (it will crumble when you touch it, so remove the filter from the machine) and replace the foam with an old towel or wool sock.

Parts & Accessories

If you don't see what you need, email me at or call me at 530-644-6710. I'm always getting new stuff in. I'm located in the Pollock Pines, CA area, but I'll ship anywhere. Cash or PayPal only! Shipping is at your expense, use the item's size & weight to get an estimate from USPS, UPS, Fedex, etc. from Zip Code 95726. Everything comes with a money back guarantee. Check my feedback on Ebay (rcourtem).

Allen Test Products BAR 90 exhaust analyzer parts - $100

Here's all the parts stripped out of a working Allen model 53-170 BAR 90 smog machine. All the boards, probes, wiring, etc. are there. The bench has an inoperative CO2 channel and the hard drive is missing, but the rest of the parts (boards, pump, solenoids) are all operational. $100 for the entire lot, or email me with parts requests. If your hard drive is toasted, I can clone you a new one for $75 plus the cost of a working drive (Quantum ProDrive LPS 270MB SCSI). Or send your drive and I can reformat and reprogram it if it's still good. I also have engine tach leads available for these machines, $20. I also have various circuit boards, interior electronic parts, printer parts, boom parts, etc. for the Allen SEA. If you want multiple items, we can cut a discount deal.

ETA Operator's manuals - $30 for both

ETA Operation guide, (40 pages) and supplement (25 pages).

Okidata dot matrix printer - $35

Okidata Model number GE5250K IBM compatible graphics printer. This is the printer taht comes with the Allen ETA. This printer came from an automotive shop environment, so it is a bit grimy but guaranteed 100%. Power cord and parallel port printer cable included. Ribbons are still available and inexpensive, about $2 each in packs of six.

Verbatim T300nh Data Cassettes- $15