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ECU/PCM "flash" Info/questions

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Old Nov 24, 2004 | 10:17 AM
  #751  
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Originally Posted by RevTo9K
That's certainly how I'm reading it. I find it interesting that they do not require updating to Z-L if you're already at 'M'.
That's what I'm thinking too because my car runs great and a bit stronger throughout the rev range than when I was on the L. But I haven't called my dealership yet to verify what they actually flashed.
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Old Nov 24, 2004 | 10:59 AM
  #752  
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Originally Posted by Nemesis8
The WDS needed to be B34.2 or later to reprogram the PCM to the latest calibration. The current level of the WDS software is B34.5, released on 11/11/2004, so maybe there was a bug in the WDS delivery.
Didn't I already post that two pages back?

The problem isn't in the flash, it is in the WDS and the method by which the dealers receive the updates.
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Old Nov 24, 2004 | 11:51 AM
  #753  
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alright everyone lets stop acting so queer! you guys just keep on jerking yourselfs off. Do you have waterproof keyboards? Man get a life go out have fun and stop posting information that will be outdated by the time I finish typing this. The joke is on all you guys.........


laterz
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Old Nov 24, 2004 | 12:08 PM
  #754  
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Old Nov 24, 2004 | 12:50 PM
  #755  
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Originally Posted by MazdaManiac










mine has more :p
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Old Nov 24, 2004 | 12:51 PM
  #756  
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Thumbs down

Originally Posted by snap-on
When did the dealer do this "re-flash"?

One of the files the latest flash addressed is the profile of the MOP..they were NOT supposed to put this flash in your car!
[COLOR=Sienna]My reflashing (MSP04) was done on 10/25.

By the way the service guy I talked to today reacted (while arranging for another service visit for them to fix what they have done), they must know what is going on because he wanted me to bring in the car right away and was worried that I would be driving it over the holidays before I could get it in. I did not ask him much more over the phone, but you can bet that I will be asking a lot of questions when I see them face to face.

What the "frig" did they do to my baby??!!!
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Old Nov 24, 2004 | 07:50 PM
  #757  
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I hate when threads go so wrong..

Basically folks it goes like this.

DO NOT let your dealer put the latest flash in the car until the code issue is resolved..

It will be posted on this forum when it is good to go.

Last edited by snap-on; Dec 1, 2004 at 09:52 PM.
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Old Nov 24, 2004 | 08:00 PM
  #758  
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Originally Posted by Broke_Apex_Seal






mine has more :p


Heh heh:D
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Old Nov 25, 2004 | 06:07 PM
  #759  
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I guess I'll have to check out which one I have since I got mine reflashed two days after I got the letter and I haven't had any problems.
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Old Nov 25, 2004 | 07:15 PM
  #760  
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when I went to get the flash the service guy held up this letter talking about the bug in the software. I was pissed but glad I had not done it the week before like I wanted to.
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Old Nov 25, 2004 | 07:26 PM
  #761  
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The dealer would need to be at 34.1 or higher to even have the new flash..
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Old Nov 27, 2004 | 12:33 AM
  #762  
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That could be the symptoms of the troubled flash. They say it takes about a week or so for the CEL to show up.
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Old Nov 28, 2004 | 10:42 AM
  #763  
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CEL caused by high rpm misfire

Took the car to the dealer Sat - the flashing was caused by a misfire at 7500rpm. Said the plugs were probably fouled from moving around the lot and test drives. They (North Penn Mazda) replaced the plugs with the upgraded hot plugs

Also checked the version of the PCM flash. The service manager was suprised to see that they have been 'back-flashing' to the L version (he thought it was the M version at first until it was checked).

Either way the car was running great (even with the misfire) and it still is running great. I only hope when/if they reflash the PCM it doesn't cause any problems.
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Old Nov 28, 2004 | 10:56 AM
  #764  
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Sounds like your Service Manager should spend time here..

There was no "Back-flash"

The prefix for the PCM part # changed
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Old Nov 28, 2004 | 11:38 PM
  #765  
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Originally Posted by snap-on
Sounds like your Service Manager should spend time here..

There was no "Back-flash"

The prefix for the PCM part # changed
Yeah from what I understand WDS will not let you put an old software version into the PCM.

Flashing CEL is usually a misfire and the PCM cannot keep up with the data that is being processed. At high RPM it gets difficult for it to read the changes quickly enough. On the '02 Explorer there was a problem with high revvs CEL flashing on the 4.0L V-6. The PCM was scrambling trying to keep up. I have heard that the PCM on the RX-8 is MUCH more powerful and complex than anything else out of the Ford/Mazda parts bin so I am surprised that there is a similar problem.

My car did the flashing CEL once last winter at HIGH revs after only driving a short time. Misfire code P0401 if I remember right.
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Old Nov 28, 2004 | 11:47 PM
  #766  
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hummm... P0401 is a EGR flow issue..

Maybe P0301? That would be for a misfire

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Old Nov 29, 2004 | 08:18 AM
  #767  
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ok now I am really confused. When I went to the dealer they showed me the letter halting the update. But now that I have received my services done paperwork in the mail it appears they did it! So does that mean I got the buggy software? I guess I should do the 20 tap test to see if it has been updated but should I contact the dealer. There does not seem to be any problems so far. Im going to go eat a stress brownie while I await your answers.
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Old Nov 29, 2004 | 08:47 AM
  #768  
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I don't think the 20 tap test will tell you anything anymore after the L flash.
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Old Nov 29, 2004 | 11:19 AM
  #769  
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I got the letter about the new flash and I all ready have the M-flash so is it a new flasg, plus I heard they stopped putting out the new supposed "N" flash because it makes the CEL come one permenatley
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Old Nov 29, 2004 | 05:46 PM
  #770  
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Originally Posted by brianm3
Also checked the version of the PCM flash. The service manager was suprised to see that they have been 'back-flashing' to the L version (he thought it was the M version at first until it was checked).
holy hell!! do you have a different dealer service place in your area that you could go to? your service manager scares me! is he the service manager for Mazda cars or for a different brand? how long has he been service manager? is he a certified Mazda Master Tech? if you can dump them and run!
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Old Nov 30, 2004 | 06:39 AM
  #771  
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Exclamation

I got the J-Spec model it,s got 198 WHp in butt dyno!! That before my mod's (stock).

Last edited by speedaholic; Nov 30, 2004 at 06:43 AM.
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Old Nov 30, 2004 | 11:11 AM
  #772  
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Hi all, first post and I guess it's an important one

Am I reading all this right? The recommendation is to not get your car flashed at all until there is an official release of a new version?

My situation is I have an early 04 that I just bought... It was a showrooom car so even though it only has 2500 miles on it (time for the first service) I believe it was built in dec. 03. I did the brake test and i don't believe it's been flashed at all (despite repeated requests to ensure all TSB work had been performed before it left the lot). So should I ask for the flash when I bring it in for the first service? Or should I just get my oil changed and wait for the new program to come out?
Thanks
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Old Nov 30, 2004 | 11:27 AM
  #773  
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I had my 8 flashed on Nov. 18, yesterday the check engine light came on. I can't get to the dealer until next week, I'll post if the two events are related.
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Old Nov 30, 2004 | 11:57 AM
  #774  
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IF they pay attention to the service bulletiins they will NOT flash you at all now until they get the new go ahead from Mazda. but since ht epreviously released TSB said to do all cars even the ones on the lots yours should already have been done. but really its a moot point now since the flash campaign is halted. so just get your oil changed.
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Old Nov 30, 2004 | 12:57 PM
  #775  
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I'm waiting for Flash Friday
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