Who uses a datalogger/scanner??

[-=Jeff=-]

Originally Posted by Aurora40

One useful thing about the AutoXray is it's just soooo easy to take in the car with you. Lugging a laptop, power supply, invertor, and cable into the car is a much bigger pain.

I only wish the Xray showed the oil temp. For injector info, you can look at the short and long term fuel trims to get an idea. I thought it had the pulse width displayed though, but can't really recall.

Yes that makes sense.. I should look into the Autoxray just to keep int he car for ease of use

[bradslt5]

what would one look for in the long and short term blk learns to learn what is going on with the injectors ? i have an auto xray . can you share what i would look for

[Paul Workman]

Originally Posted by Aurora40

One useful thing about the AutoXray is it's just soooo easy to take in the car with you. Lugging a laptop, power supply, invertor, and cable into the car is a much bigger pain.

I only wish the Xray showed the oil temp. For injector info, you can look at the short and long term fuel trims to get an idea. I thought it had the pulse width displayed though, but can't really recall.

Yes, I keep it in the cubby behind the passenger seat. If the Vette hiccups, out it comes and a quick dynamic diagnostic is "in the bag". So far, (knocking on wood) it is working: keep it in the car, and there's no problems. Hate to think of the issue I'd have the minute I put the scanner back in the house!

Pulse width: The prior s/w version had pulse width for VIN "P" (LT1). Fuel trims are more of an indirect method, and I don't know how responsive they are to intermittent problems I've seen.

P.

[-=Jeff=-]

so which autoxray is decent? looking at the 3000 on eBay

[Paul Workman]

Originally Posted by bradslt5

what would one look for in the long and short term blk learns to learn what is going on with the injectors ? i have an auto xray . can you share what i would look for

In a word...Parity.

Left/Right integrator values are nominally 128
Left/Right block learn values should be close to the same value.
Cross counts (better seen as a graph than a table) should be uniform

This batch was taken prior to me taking the plenum off, i.e. prior to finding loose IH and plenum screws, and a couple vacuum lines that were not connected. (The vertical columns are time stamped at one second intervals, but all 28 are not shown here.)

Not shown is the cross counts. Apparently, I have a lazy O2 (right side) sensor (seen on the computer after downloading the scanner to the computer w/ PC LINK s/w.) And, I have reason to believe I have an injector that is marginal too.

Anything in particular you wanna see??

P.

[Paul Workman]

Originally Posted by -=Jeff=-

so which autoxray is decent? looking at the 3000 on eBay

I called AutoXray's tech support, to ask about that dwell time issue I'm having with mine (a '1000' OBD-I unit) and the 3000. He says the EZ-Scan 3000 is an OBD-I unit, now discontinued, but still is supported. The 3000 can be upgraded to a full OBD-II "6000" capability, BTW. (The '6000' is their top of the line scanner.)

To scan and download the captured data with the 3000, you will need PC Link s/w; costs $79 + S&H. Be sure the cable that is included in the s/w is the GM ALDL/usb cable, and you're all set. Come to think of it...I have an extra ALDL cable around here somewhere (I ordered it, not knowing it also was included w/ the software!)

P.

[XfireZ51]

Originally Posted by Paul Workman

I use the AutoXray scanner. It is limited to basic fault finding/code reading, etc. and for that it has been very useful - paying for itself many times over across the years (my cars and those of others as well)

But, I'd like to "graduate" to Datalogger or some such s/w at some point. (The latest AXray update omits the injector dwell time, which I found to be one of the more useful tools to evaluate O2 sensors. Grrrrrrr)

P.

EASE has PW for LFT and RGT. Please explain how you use injector dwell time to evaluate O2 sensors.

[-=Jeff=-]

Originally Posted by Paul Workman

I called AutoXray's tech support, to ask about that dwell time issue I'm having with mine (a '1000' OBD-I unit) and the 3000. He says the EZ-Scan 3000 is an OBD-I unit, now discontinued, but still is supported. The 3000 can be upgraded to a full OBD-II "6000" capability, BTW. (The '6000' is their top of the line scanner.)

To scan and download the captured data with the 3000, you will need PC Link s/w; costs $79 + S&H. Be sure the cable that is included in the s/w is the GM ALDL/usb cable, and you're all set. Come to think of it...I have an extra ALDL cable around here somewhere (I ordered it, not knowing it also was included w/ the software!)

P.

I would use the Autoxray as an in the field tester.. if I needed to datalog i would use a PC, this would be more from trouble shooting an issue when I don't need a log or want to hassle with the Laptop

[Sgreg]

Originally Posted by -=Jeff=-

I was curious of what any of you use for a datalogger/scanner..

I currently use Ease with my laptop.. But I am working on a scanner Definition file for ScannerPro (free datalogging software for a PC). only cost for Scannerpro would be the OBD to Serial/USb cable..

trying to gauge if people would be interested in the definition. Currently I know it will work on 90-91, not sure on 93-95 I need to check, but should be able to make that one too

What about us old dogs with Tech 1A's ? ! I have the ability to hook my Tech 1a up to a lap top and also have one of the original 12 V roll data printers that can print data without a lap top. Pretty cool for 25 year old technology.

[Aurora40]

Originally Posted by -=Jeff=-

I would use the Autoxray as an in the field tester.. if I needed to datalog i would use a PC, this would be more from trouble shooting an issue when I don't need a log or want to hassle with the Laptop

Yes, the datalogging isn't great. I have the 6000, as it's useful on most all makes and models of car. Anyway, it records a max of 30 frames at a rate of like one frame per 5 seconds down to 2 per second. Not really fast enough/long enough time to be of much use.