Reving to 3K before shutdown prevents floods?
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From: Framingham, MA
Reving to 3K before shutdown prevents floods?
Dealership told me that reving to 3000 then killing it would prevent any kind of stalling issues by clearing the ports. My car has never stalled once from day one. (3000 miles old) If I don't rev before shutdown it takes a second longer to start the following time I noticed, that's about it. I've have 3 versions of flash, (K, M, & N)......neither one changed the way this acted. M took care of the slightly rough idle, and N put the 7000RPM power back that K originally had, which M took away. (N is the best flash, get it) I'm glad I've never had a flooding issue. Good luck to anyone who does have this problem. 
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From: Montreal
So now, my usual car ride scenario is as follows:
1-unlock door
2-get in car
3-turn key to 'acc' position til car stops beeping
4-crank engine (and pray)
5-press and hold DSC button to disable TCS system
6-drive
7-check clock (make sure I drive at least 10 min)
8-park
9-rev to 3k rpm
10-shut off engine
Still love the car tho'
1-unlock door
2-get in car
3-turn key to 'acc' position til car stops beeping
4-crank engine (and pray)
5-press and hold DSC button to disable TCS system
6-drive
7-check clock (make sure I drive at least 10 min)
8-park
9-rev to 3k rpm
10-shut off engine
Still love the car tho'
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From: Framingham, MA
Originally posted by fietguy
Flooding issue? what flooding issue? there isn't one, its all a myth...
Flooding issue? what flooding issue? there isn't one, its all a myth...
I've read plenty of posts talking about not starting the first time so i'm sure it exists.
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From: Beverwijk, Netherlands
Originally posted by MTLbroker
So now, my usual car ride scenario is as follows:
1-unlock door
2-get in car
3-turn key to 'acc' position til car stops beeping
4-crank engine (and pray)
5-press and hold DSC button to disable TCS system
6-drive
7-check clock (make sure I drive at least 10 min)
8-park
9-rev to 3k rpm
10-shut off engine
Still love the car tho'
So now, my usual car ride scenario is as follows:
1-unlock door
2-get in car
3-turn key to 'acc' position til car stops beeping
4-crank engine (and pray)
5-press and hold DSC button to disable TCS system
6-drive
7-check clock (make sure I drive at least 10 min)
8-park
9-rev to 3k rpm
10-shut off engine
Still love the car tho'
11- get out car
12- lock
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From: Calgary, AB
Re: Reving to 3K before shutdown prevents floods?
Originally posted by Jailbreak'74
I've have 3 versions of flash, (K, M, & N)......neither one changed the way this acted. M took care of the slightly rough idle, and N put the 7000RPM power back that K originally had, which M took away. (N is the best flash, get it) I'm glad I've never had a flooding issue. Good luck to anyone who does have this problem.
I've have 3 versions of flash, (K, M, & N)......neither one changed the way this acted. M took care of the slightly rough idle, and N put the 7000RPM power back that K originally had, which M took away. (N is the best flash, get it) I'm glad I've never had a flooding issue. Good luck to anyone who does have this problem.
M included reprogrammed cold start parameters to eliminate 99% of the flooding chance.
Regards,
Gordon
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From: Framingham, MA
Re: Re: Reving to 3K before shutdown prevents floods?
Originally posted by Gord96BRG
There is no N flash - M is still the latest and most current version (as discussed in the threads suggesting that there's a new flash).
M included reprogrammed cold start parameters to eliminate 99% of the flooding chance.
Regards,
Gordon
There is no N flash - M is still the latest and most current version (as discussed in the threads suggesting that there's a new flash).
M included reprogrammed cold start parameters to eliminate 99% of the flooding chance.
Regards,
Gordon
Last edited by Jailbreak'74; Jun 1, 2004 at 01:22 PM.
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From: Framingham, MA
Originally posted by MTLbroker
n e idea what changes for n-flash? I have m-flash and seems to be OK. But I wouldn't know - still in engine break-in mode.
n e idea what changes for n-flash? I have m-flash and seems to be OK. But I wouldn't know - still in engine break-in mode.
N put the 7000RPM power back that K originally had. That's all I noticed. Oh yeah, idles smoother it seems. Might be a plecibo though.
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From: Calgary, AB
Re: Re: Re: Reving to 3K before shutdown prevents floods?
Originally posted by Jailbreak'74
Actually yes there is. I had M on there, the latest update was released 12 days ago on 5/22. (as previously discussed) Before the 22nd there was only M.
Actually yes there is. I had M on there, the latest update was released 12 days ago on 5/22. (as previously discussed) Before the 22nd there was only M.
Regards,
Gordon
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From: Framingham, MA
I really don't care about threads....1/2 the stuff here is bull anyway. I've spoken to 3 people who have gotten the may 22nd flash done to their cars and have all noticed the 7K push is back. That wouldn't have to do with WDS.
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From: Calgary, AB
You should care about those threads - a couple of the people in there actually know what they're talking about, like Snap-On - he's a Mazda mechanic. He has posted valuable info about the exact process that Mazda dealers go through to get the updates and advice on the flashes.
WDS is Mazda's Worldwide Diagnostic System - that's HOW Mazda distributes new flashes to the dealers. They get a WDS update, which contains new diagnostic code and for those new models with re-flashable ECUs, the WDS updates contain the PCM flash updates. Read what Snap-On wrote again - there are no RX-8 PCM updates beyond M in the recent WDS updates.
There is NO such thing as a May 22 flash update - there might be a WDS update, which will have a version number such as 35.3, which could contain an RX-8 flash update like N (for example purposes only - again, as Snap-On wrote, there is NO N flash yet). Mazda does not associate flash updates with calendar dates.
Regards,
Gordon
Originally posted by Jailbreak'74
That wouldn't have to do with WDS.
That wouldn't have to do with WDS.
There is NO such thing as a May 22 flash update - there might be a WDS update, which will have a version number such as 35.3, which could contain an RX-8 flash update like N (for example purposes only - again, as Snap-On wrote, there is NO N flash yet). Mazda does not associate flash updates with calendar dates.
Regards,
Gordon
Last edited by Gord96BRG; Jun 1, 2004 at 03:10 PM.
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From: Framingham, MA
Please tell me what update came out on the 22nd then...because a few people on here were told they had the PCM flashed. What does the update we were given do then? I'm interested to know. I hate dealerships, whatever you say they say yes to.
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From: Calgary, AB
Originally posted by Jailbreak'74
Please tell me what update came out on the 22nd then...
Please tell me what update came out on the 22nd then...
WDS Release Level B31_5, 5/21/2004 9:43:36 AM.
As far as "restore lost power in the high rev band" he didn't see that. He did find the info below......
P2107/P2108/P2402/P0420 LACK OF POWER / PINGING
Applicable Models
Model Starting S/N Ending S/N
2004 RX8 40100001 40135537
Some vehicles may experience a check engine light and / or a lack of power / engine pinging. The cause may be due to incorrect logic in the PCM. Customers with lack of power / pinging, or the following DTCs stored in PCM memory should have their vehicles repaired using the repair procedure. P2107-Throttle actuator control module processor error. P2108-Throttle actuator control module performance error. P2402-EVAP system leak detection pump control circuit high. P0420-Catalyst system efficiency below threshold. 1) Verify concern. 2) Check current PCM calibration by accessing mode 9 using WDS. WDS menu- POWERTRAIN - OBD TEST MODES - MODE 9 VEHICLE INFORMATION. 3) If calibration level is not at or above "M" proceed to next step. If calibration is at or above "M", consult WSM for diagnosis. NOTE: mode 9 calibration is displayed as N3H*EL000********. The digit following the "E" is the current calibration level of the PCM. 4) Reprogram PCM using WDS. Update WDS to version B28.0.11 or later if necessary. 5) Clear all DTCs. 6) Verify repairs. VEHICLE TRANS TYPE Filename New PCM Cal. P/N Manual transmission SW-N3H6EM000 N3H6-18-881M Auto transmission SW-N3H4EM000 N3H4-18-881M NOTE: * WDS shows the calibration part number after programming the PCM. * Please be aware that PCM calibration part numbers and file names listed in any service message may change due to future releases of WDS software and additional revisions made to those calibrations for service related concerns. WDS PCM reprogramming will always display the "latest" calibration P/N available for that vehicle. If any calibration has been revised/updated to contain new information for a new service concern/issue, it will also contain all previously released calibrations. Install PCM calibration label with revised PCM calibration part # in the appropriate location. After performing the PCM reprogramming it is necessary to road test the vehicle to relearn KAM strategy and verify no MIL illumination or DTC's are present.
As far as "restore lost power in the high rev band" he didn't see that. He did find the info below......
P2107/P2108/P2402/P0420 LACK OF POWER / PINGING
Applicable Models
Model Starting S/N Ending S/N
2004 RX8 40100001 40135537
Some vehicles may experience a check engine light and / or a lack of power / engine pinging. The cause may be due to incorrect logic in the PCM. Customers with lack of power / pinging, or the following DTCs stored in PCM memory should have their vehicles repaired using the repair procedure. P2107-Throttle actuator control module processor error. P2108-Throttle actuator control module performance error. P2402-EVAP system leak detection pump control circuit high. P0420-Catalyst system efficiency below threshold. 1) Verify concern. 2) Check current PCM calibration by accessing mode 9 using WDS. WDS menu- POWERTRAIN - OBD TEST MODES - MODE 9 VEHICLE INFORMATION. 3) If calibration level is not at or above "M" proceed to next step. If calibration is at or above "M", consult WSM for diagnosis. NOTE: mode 9 calibration is displayed as N3H*EL000********. The digit following the "E" is the current calibration level of the PCM. 4) Reprogram PCM using WDS. Update WDS to version B28.0.11 or later if necessary. 5) Clear all DTCs. 6) Verify repairs. VEHICLE TRANS TYPE Filename New PCM Cal. P/N Manual transmission SW-N3H6EM000 N3H6-18-881M Auto transmission SW-N3H4EM000 N3H4-18-881M NOTE: * WDS shows the calibration part number after programming the PCM. * Please be aware that PCM calibration part numbers and file names listed in any service message may change due to future releases of WDS software and additional revisions made to those calibrations for service related concerns. WDS PCM reprogramming will always display the "latest" calibration P/N available for that vehicle. If any calibration has been revised/updated to contain new information for a new service concern/issue, it will also contain all previously released calibrations. Install PCM calibration label with revised PCM calibration part # in the appropriate location. After performing the PCM reprogramming it is necessary to road test the vehicle to relearn KAM strategy and verify no MIL illumination or DTC's are present.
Regards,
Gordon
Rotary powered since 1988
Joined: Jul 2003
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From: Maryland
What's the reasoning behind the 3k before shutdown? burn fuel quicker at the high rpm? spin it out after then injectors shut down? didn't the M-flash reduce the amount of fuel metered at idle?
I just make sure the engine is warmed up before shutdown. Only 4k miles on mine have the M-flash. never flooded it or my FC that has 148K on it.
I just make sure the engine is warmed up before shutdown. Only 4k miles on mine have the M-flash. never flooded it or my FC that has 148K on it.
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