KYFord or jefflaws
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Senior Member
Joined: Jun 2001
Posts: 450
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From: DeLand, FL
KYFord or jefflaws
Spent most of my day playing with my Autoxray scanner with the enhanced OBD-II capabilities....I'm surprised I haven't wrapped myself around a tree checking out my engine coolant temperature while driving on the freeway...
Anyhoos, one feature is a readiness test which shows operational test results, but as the instructions state these are set by the manufacturer themselves and the values are arbitrary (read: you need a service manual to decipher them). Do you guys know of any place I can find these codes? I'm not talking about your standard OBD-II codes, mind you.
One particular test caught my attention:
TestID $53 Pass
ComponentID $01
Pass High
0051 <=3F00
Cylinder #1
Misfire Rate
Exceeding 200
Rev Type A
There are 8 of these tests, the last being "ComponentID $08", and appear to be per cylinder. All the others have a 0000 <= 3F00 test result. Does this mean that my Cylinder #1 has had 51 misfires? I've never had a misfire to my knowledge, check engine light has never come on...
Here are two other tests that might be pertinent:
1) TestID $50 Pass, ComponentID $00, Pass High, 0000 <=07AE
Total Engine, Misfire Rate, Exceeding Threshold
2) Test ID $54 Pass, ComponentID $00, Pass High, 00A3 <=3F00, Highest Type A Misfire Rate Exceeding 200 Rev Type A
3) Test ID $55 Pass, ComponentID $00, Pass High, 0020 <=03B6, Highest Type B Misfire Rate Exceeding 1000 Rev Type B Threshold
KY- BTW I love this friggin' thing...I can actually test the differences in airflow with different filter setups and whatnot....I can watch the 02 sensors, and it appears this thing tells you whether the test results are passed high (with flying colors) or low (not so flying colors), so you can plan on what you need to replace.....nothing like something else to play with on my truck....
Anyhoos, one feature is a readiness test which shows operational test results, but as the instructions state these are set by the manufacturer themselves and the values are arbitrary (read: you need a service manual to decipher them). Do you guys know of any place I can find these codes? I'm not talking about your standard OBD-II codes, mind you.
One particular test caught my attention:
TestID $53 Pass
ComponentID $01
Pass High
0051 <=3F00
Cylinder #1
Misfire Rate
Exceeding 200
Rev Type A
There are 8 of these tests, the last being "ComponentID $08", and appear to be per cylinder. All the others have a 0000 <= 3F00 test result. Does this mean that my Cylinder #1 has had 51 misfires? I've never had a misfire to my knowledge, check engine light has never come on...
Here are two other tests that might be pertinent:
1) TestID $50 Pass, ComponentID $00, Pass High, 0000 <=07AE
Total Engine, Misfire Rate, Exceeding Threshold
2) Test ID $54 Pass, ComponentID $00, Pass High, 00A3 <=3F00, Highest Type A Misfire Rate Exceeding 200 Rev Type A
3) Test ID $55 Pass, ComponentID $00, Pass High, 0020 <=03B6, Highest Type B Misfire Rate Exceeding 1000 Rev Type B Threshold
KY- BTW I love this friggin' thing...I can actually test the differences in airflow with different filter setups and whatnot....I can watch the 02 sensors, and it appears this thing tells you whether the test results are passed high (with flying colors) or low (not so flying colors), so you can plan on what you need to replace.....nothing like something else to play with on my truck....
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Joined: Apr 2001
Posts: 1,678
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From: Northern Kentucky
cpadpl
As far as the readiness test's go I know what your talking about. I'm not for sure on your results or what Ford's set values are. It wouldn't surpise me if they had a way to track any/all misfires. Now that I think about I'm sure the PCM has that function. How else would it tell the MIL to light if ## misfires occured in ## drive cycles. Just becuase the MIL did not light doesn't mean there hasn't been a misfire. I'm sure someone should have the proper info or else Auto-xray wouldn't/couldn't incorporate into the scanner.
Glad you like your new toy. I still haven't picked up mine yet, nice to know I recommended a good one. It just makes me want it just that much more now. Now see what you would have missed out on with just a code reader.
Glad you like your new toy. I still haven't picked up mine yet, nice to know I recommended a good one. It just makes me want it just that much more now. Now see what you would have missed out on with just a code reader.
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Senior Member
Joined: Jun 2001
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From: DeLand, FL
Re: cpadpl
KYFordFreak
I think my only choice is to get someone with the service manuals or buy them myself. But I'm pretty sure there is something different about my #1 since it's value is different than all the others. And yes, I am much happier than I would have been with just a reader. Of course, remember I have an Autoxay reader too. That travels with me just so I can read trouble codes. The upgraded daddy of them all stays nice and cool, safe and secure, at my house in a little dollhouse that I built for it.
I got that enhanced OBD-II stuff, and that moves it from approximately 20 data stream items to about 50 or so. Some are redundant (like more O2 info) but the IAC, A/C, 4x4, TPS, etc. info are all in the enhanced tests, so I need it. In addition, those tests are extremely valuable, as well as the ability to pull "pending" trouble codes in addition to actual trouble codes.
I didn't do that much research, so there may be better scanners out there. I just figured it wasn't a piece of crap since you were looking into it. It fits everything I need perfectly, so I'm as a happy as a C$evy owner that just bought his first F-150. Oh --- and also if you own a Chilton's and look at their pictures when they refer to a "data stream capable tool" they always show an Autoxray scanner. So I figured if it's good enough for Chilton's, it's good enough for me.
I think my only choice is to get someone with the service manuals or buy them myself. But I'm pretty sure there is something different about my #1 since it's value is different than all the others. And yes, I am much happier than I would have been with just a reader. Of course, remember I have an Autoxay reader too. That travels with me just so I can read trouble codes. The upgraded daddy of them all stays nice and cool, safe and secure, at my house in a little dollhouse that I built for it.
I got that enhanced OBD-II stuff, and that moves it from approximately 20 data stream items to about 50 or so. Some are redundant (like more O2 info) but the IAC, A/C, 4x4, TPS, etc. info are all in the enhanced tests, so I need it. In addition, those tests are extremely valuable, as well as the ability to pull "pending" trouble codes in addition to actual trouble codes.
I didn't do that much research, so there may be better scanners out there. I just figured it wasn't a piece of crap since you were looking into it. It fits everything I need perfectly, so I'm as a happy as a C$evy owner that just bought his first F-150. Oh --- and also if you own a Chilton's and look at their pictures when they refer to a "data stream capable tool" they always show an Autoxray scanner. So I figured if it's good enough for Chilton's, it's good enough for me.
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Joined: Apr 2001
Posts: 1,678
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From: Northern Kentucky
Yeah I forgot about you buying that extra little "gift". Yeah I would say it would take at least the Ford service or maybe the Ford diagnostics book to find the info you nedd.
Yeah I've seen in Chiltons where they refer to "data stream tool"and show pics of the Auto x-ray's. From what I found the Auto x-ray units seem the best bang for the buck so to speak. Unless you buy Autotap or another similar PC based too and that's considering you have the laptop already.
Did you know there's a program out there for the Chevy LT1/LS1 owners, I think it's called LS1edit. The ricer Honda boys have something like it called Hondata or something. If they made a similar program for Ford EEC-V I'd buy a cheap laptop, Autotap, and it and it would never leave the truck. Imagine someone hopping in your truck and seeing a setup like that. They would know you mean business then.
Yeah I've seen in Chiltons where they refer to "data stream tool"and show pics of the Auto x-ray's. From what I found the Auto x-ray units seem the best bang for the buck so to speak. Unless you buy Autotap or another similar PC based too and that's considering you have the laptop already.
Did you know there's a program out there for the Chevy LT1/LS1 owners, I think it's called LS1edit. The ricer Honda boys have something like it called Hondata or something. If they made a similar program for Ford EEC-V I'd buy a cheap laptop, Autotap, and it and it would never leave the truck. Imagine someone hopping in your truck and seeing a setup like that. They would know you mean business then.