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Help me with my code pls

X-North

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First theres the quick flash and then heres the code

3 flash with 1/2 sec between them
2 secondes of waiting
3 flash with 1/2 sec between them
6 seconds of waiting
1 flash
4 seconds of waiting
3 flash with 1/2 sec between them
2 secondes of waiting
3 flash with 1/2 sec between them


I think that theres no code 1-1-1 and it mean OK for the KOEO and after the waiting 1-1-1 for CM codes but what does it mean in fact ?? Because when i follow this page http://www.fordfuelinjection.com/?p=46
the 33 code is not available on KOEO but mean EGR not opening on CM codes.
It's winter here and i really want to know the meaning of this codes because i have to work outside in snow to repair my truck so i dont want to take of things that are ok!

Thank you guys your help will be really appreciated
 



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MrShorty

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What year Explorer? A '91 will output 2 digit codes, in which case I would interpret as KOEO/CM 33, but that wouldn't make sense because a '91 doesn't have an EGR system. '92 to '94 will output three digit codes, which would be interpreted as KOEO/CM 111, which means the computer doesn't detect any faults.
 






X-North

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It's a 1992 explorer automatic 4.0 ohv
Is this described correctly the procedure on this page http://www.fordfuelinjection.com/?p=13 because i speak french and i have some difficulty to understand. You see in this page it tell that theres 6 sec pause after the KOEO codes one flash and then another 6 seconds before the beginning of the CM codes...but i have only 4 seconds of pause between the single flash and the beginning of the CM code.
Is this website right or i should learn how to read codes somewhere else ???
Thank you
 












X-North

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a little better but some words are funny translated lol but i still wonder why theres only 4 sec before the flash and not 6 seconds like its been said
Oh btw Donner you must write it Bonjour and not Bon jour ;) Yes bon mean Good and jour mean Day But here we write it as one word because its an expression
If you need some advices in french i would be glad to help you ;)
 






MrShorty

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The fordfuelinjection site is pretty good, though I've never paid that close of attention to the length of the pauses. I note that BrooklynBay's code list thread (sticky in this forum) calls it "approximately a 6 second" pause.

I wouldn't worry about the 4 versus 6 second pause after the separator pulse. It's still adequate for knowing where the CM codes start. Knowing it's a '92, You're clearly getting 111 for both KOEO and CM.

In addition to the fordfuelinjection site, I would recommend reviewing the stickies in this forum (if you haven't already) that describe the test procedure.
 






X-North

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Ok thanx My last question is On this site if you get three flashes it mean 3. For exemple four flashes mean 4 and two flashes mean 2 so you get the code 42 ..but why when it flash 3 times its not the code 3 and instead it mean 111 ???
Thats the part i dont understand....sorry my ignorant questions but it's my first time in OBD-1 decoding. I used to have obd2 cars with the computer to tell me exactly the problem.
 






MrShorty

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I understand. It took me a few times to get a feel for the code output format.

Two reasons for interpreting that as 111:
1) you have a '92. A '92 should output 3 digit codes, so we look for three digit codes.
2) A 33 points to an EGR fault, but your '92 shouldn't have an EGR system.

These are both "intuitive" reasons, so they don't necessarily help while you are counting flashes.

I wonder if it would help to see a real code. Try unplugging something easy to get to that will generate a code. Examples:

IAT: KOEO 114
fuel pump fuse: KOEO 542 or 543
CANP solenoid: KOEO 565
switch AC on before initiating test: KOEO 539

Then repeat the KOEO test and look for the appropriate code. Note that, as long as you don't start/attempt to start, it shouldn't set any CM codes, so CM should stay 111.

does that help?
 






X-North

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Ok thanx ...but how do i recognize a 111 code from a 3 in the 321 code for exemple ??? You told that the 1992 use only 3 number codes but what model and years the 2 digits are used for because in Haynes book of explorer first gen they give 2 digits list and in the fordfuelinjection website too.
 






Donner

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Merci beaucoup!

a little better but some words are funny translated lol but i still wonder why theres only 4 sec before the flash and not 6 seconds like its been said
Oh btw Donner you must write it Bonjour and not Bon jour ;) Yes bon mean Good and jour mean Day But here we write it as one word because its an expression
If you need some advices in french i would be glad to help you ;)

Yes, :D I need lessons, that's is true! :D:D
 






X-North

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The translation is really bad because if i retranslate it in english it mean ...When you received the ligths in your face begin to count...LOL
 


















MrShorty

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Ok thanx ...but how do i recognize a 111 code from a 3 in the 321 code for exemple ??? You told that the 1992 use only 3 number codes but what model and years the 2 digits are used for because in Haynes book of explorer first gen they give 2 digits list and in the fordfuelinjection website too.

The way you know which year/engine combination output 2 digit codes and which output three digit codes is to look it up. That's my one complaint with all of the generic EEC-IV code lists out there: they don't tell which codes apply to which year/engine. The only way I know that a '91 4.0 outputs 2 digit codes and a '92+ 4.0 output 3 digit codes is because I looked it up in a Motor Light Truck Engine Performance and Troubleshooting manual at the library.

Bonne chance.
 






X-North

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I got my answers in parts but that will be ok BTW if you can go answer to my last thread in 1991-1994 stock explorer section i will be happy. I have problem with my brakes
 






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