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 PROTON SAGA BLM, FL, FLX CLUB V30, with <3s

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iskazulka
post Sep 7 2012, 11:39 AM

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QUOTE(lhwj @ Sep 7 2012, 12:31 PM)
My aunt. She told me she's been doing that since she learnt how to drive whistling.gif

You know sometimes you see cars with their brake light on while they're cruising? Left foot brakers lor.
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gila crazy.
wondered who the one who teach her driving..... sweat.gif
dares
post Sep 7 2012, 11:40 AM

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QUOTE(iskazulka @ Sep 7 2012, 11:27 AM)
MIEZA.
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Hers is FLX SE, no need to test sleep.gif
TSkenjilew
post Sep 7 2012, 11:41 AM

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QUOTE(lhwj @ Sep 7 2012, 11:37 AM)
How's both your repair jobs going?
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adjusters called yesterday... workshop start to work on my car adi... estimate 10 days for workshop to finish the job and then others need 1 or 2 days such as sport rims and absorbers tuning and so on... sad.gif
Noobdao
post Sep 7 2012, 11:41 AM

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QUOTE(kenjilew @ Sep 7 2012, 11:41 AM)
adjusters called yesterday... workshop start to work on my car adi... estimate 10 days for workshop to finish the job and then others need 1 or 2 days such as sport rims and absorbers tuning and so on... sad.gif
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Hopefully u can get ur car by next week...
iskazulka
post Sep 7 2012, 11:42 AM

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QUOTE(dares @ Sep 7 2012, 12:40 PM)
Hers is FLX SE, no need to test sleep.gif
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saje mau troll u je. mieza kan one of your groupies. brows.gif
lhwj
post Sep 7 2012, 11:42 AM

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QUOTE(coolkwc @ Sep 7 2012, 11:37 AM)
i wonder any sensor to detect manual gear whether in gear or not... hmm.gif
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I think if the sensor sees the RPM falling quickly then the ECU knows either you're pressing the clutch or gear is neutral.
coolkwc
post Sep 7 2012, 11:43 AM

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QUOTE(lhwj @ Sep 7 2012, 11:37 AM)
How's both your repair jobs going?
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Wednesday went to see, all bumper+front bumper support bar not spray, boot just touch up, not spray yet..i estimate at least still need 1 week+. sad.gif
iskazulka
post Sep 7 2012, 11:43 AM

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QUOTE(kenjilew @ Sep 7 2012, 12:41 PM)
adjusters called yesterday... workshop start to work on my car adi... estimate 10 days for workshop to finish the job and then others need 1 or 2 days such as sport rims and absorbers tuning and so on... sad.gif
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we all here wishing you, all the best, kenjilew & coolkwc.

This post has been edited by iskazulka: Sep 7 2012, 11:50 AM
lhwj
post Sep 7 2012, 11:49 AM

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QUOTE(iskazulka @ Sep 7 2012, 11:39 AM)
gila crazy.
wondered who the one who teach her driving.....  sweat.gif
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I wonder too hmm.gif But like all of us she prolly learnt on a manual, then while driving auto they think they can keep their left foot busy with braking...
dares
post Sep 7 2012, 11:50 AM

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QUOTE(mengsuan @ Sep 7 2012, 11:30 AM)
The injector response time is quick enough to start again when the RPM goes a specified ECU threshold.

You can also see someone mentioned: "DFCO was a requirement for all OBD II vehicles. So anything post 1996 should have it."
http://forums.nasioc.com/forums/showthread.php?t=2184765

I haven't found Persona's parameter for injection duty cycle from OBD2, but at least I can see the engine entering open loop mode during the fuel cut, suggesting that the ECU does not monitor AFR anymore while rolling down the hill.
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Since getting the OBD scanner, I notice my car goes into open loop in 2 situations - cold start and deceleration (engine braking)

Open loop doesn't mean the ECU is not monitoring AFR, it only means it is ignoring the O2 sensors. It will continue to inject fuel based on the MAF sensor input. This mode is to make sure enough fuel is injected to prevent the engine from running lean.

That's why during cold start it goes into open loop so that more fuel is injected to warm up the engine. Same goes for WOT driving to ensure the engine does no run lean. I assume the same is happening when engine braking, because the ECU needs to inject more fuel to prevent the engine running lean, hence it has to ignore the O2 sensors aka invoking open loop mode.

P/S: OR it could mean it is ignoring the O2 sensors so that it can cut off fuel hmm.gif But all in all going into open loop is not enough to conclude that it has in fact cut of fuel supply.


This post has been edited by dares: Sep 7 2012, 12:09 PM
r3apers
post Sep 7 2012, 11:50 AM

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QUOTE(iskazulka @ Sep 7 2012, 11:30 AM)
who would be that driver?  shocking.gif
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sweat.gif sweat.gif me also using both foot sumtimes...hahah

lhwj
post Sep 7 2012, 11:52 AM

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QUOTE(coolkwc @ Sep 7 2012, 11:43 AM)
Wednesday went to see, all bumper+front bumper support bar not spray, boot just touch up, not spray yet..i estimate at least still need 1 week+. sad.gif
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QUOTE(kenjilew @ Sep 7 2012, 11:41 AM)
adjusters called yesterday... workshop start to work on my car adi... estimate 10 days for workshop to finish the job and then others need 1 or 2 days such as sport rims and absorbers tuning and so on... sad.gif
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All right. Hope you get your ride back soon smile.gif

QUOTE(r3apers @ Sep 7 2012, 11:50 AM)
sweat.gif  sweat.gif  me also using both foot sumtimes...hahah
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I wonder if that has anything to do with your tranny acting up recently hmm.gif
iskazulka
post Sep 7 2012, 11:54 AM

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QUOTE(lhwj @ Sep 7 2012, 12:52 PM)
I wonder if that has anything to do with your tranny acting up recently hmm.gif
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plus face problem, hamsap problem.
r3apers
post Sep 7 2012, 11:55 AM

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QUOTE(lhwj @ Sep 7 2012, 11:52 AM)
All right. Hope you get your ride back soon smile.gif
I wonder if that has anything to do with your tranny acting up recently hmm.gif
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nope... cuz it happend whn cruising.... 2day happend again while cruising 70-80km/h in KESAS highway on de way back from cheras area to my office... doh.... while morning go to chears jam here jam there nothing happen but whn cruising.. TUK thn come again the problem... shakehead.gif shakehead.gif

btw my left foot braking mostly done on hard corner to counter my understeer..thts all.. normal wont use left foot braking...


Added on September 7, 2012, 11:56 am
QUOTE(iskazulka @ Sep 7 2012, 11:54 AM)
plus face problem, hamsap problem.
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u saja nak troll ku ke... doh.gif doh.gif

This post has been edited by r3apers: Sep 7 2012, 11:56 AM
coolkwc
post Sep 7 2012, 11:57 AM

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QUOTE(dares @ Sep 7 2012, 11:50 AM)
Since getting the OBD scanner, I notice my car goes into open loop in 2 situations - cold start and deceleration (engine braking)

Open loop doesn't mean the ECU is not monitoring AFR, it only means it is ignoring the O2 sensors. It will continue to inject fuel based on the MAF sensor input. This mode is to make sure enough fuel is injected to prevent the engine from running lean.

That's why during cold start it goes into open loop so that more fuel is injected to warm up the engine. Same goes for WOT driving to ensure the engine does no run lean. I assume the same is happening when engine braking, because the ECU needs to inject more fuel to prevent the engine running lean, hence it has to ignore the O2 sensors aka invoking open loop mode.
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Means the engine will never running lean during in gear downhill because ECU will inject 'adequate' amount of fuel to prevent it from happen?
dares
post Sep 7 2012, 11:58 AM

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QUOTE(coolkwc @ Sep 7 2012, 11:57 AM)
Means the engine will never running lean during in gear downhill because ECU will inject 'adequate' amount of fuel to prevent it from happen?
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Check my "P/S" in my original post tongue.gif

*goes off to do more research*


Added on September 7, 2012, 12:06 pmOH shet. I retract part of my statement.

Open loop can also happen when the injectors are shut off.

This post has been edited by dares: Sep 7 2012, 12:09 PM
mengsuan
post Sep 7 2012, 12:30 PM

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QUOTE(dares @ Sep 7 2012, 11:50 AM)
Since getting the OBD scanner, I notice my car goes into open loop in 2 situations - cold start and deceleration (engine braking)

Open loop doesn't mean the ECU is not monitoring AFR, it only means it is ignoring the O2 sensors. It will continue to inject fuel based on the MAF sensor input. This mode is to make sure enough fuel is injected to prevent the engine from running lean.

That's why during cold start it goes into open loop so that more fuel is injected to warm up the engine. Same goes for WOT driving to ensure the engine does no run lean. I assume the same is happening when engine braking, because the ECU needs to inject more fuel to prevent the engine running lean, hence it has to ignore the O2 sensors aka invoking open loop mode.

P/S: OR it could mean it is ignoring the O2 sensors so that it can cut off fuel  hmm.gif But all in all going into open loop is not enough to conclude that it has in fact cut of fuel supply.

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O2 sensors gives lambda value, which the ECU uses it to monitor AFR. Open loop does not conclude fuel cut, but for fuel cut to be allowed, the ECU needs to enter open loop.
Mahihi
post Sep 7 2012, 12:32 PM

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QUOTE(dares @ Sep 7 2012, 11:58 AM)
Check my "P/S" in my original post tongue.gif

*goes off to do more research*


Added on September 7, 2012, 12:06 pmOH shet. I retract part of my statement.

Open loop can also happen when the injectors are shut off.
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ur statement juz now make me blur,it against the things dat i know previously,but now u cancel it off,lol..... icon_question.gif icon_question.gif
dares
post Sep 7 2012, 12:44 PM

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QUOTE(mengsuan @ Sep 7 2012, 12:30 PM)
O2 sensors gives lambda value, which the ECU uses it to monitor AFR. Open loop does not conclude fuel cut, but for fuel cut to be allowed, the ECU needs to enter open loop.
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QUOTE(Mahihi @ Sep 7 2012, 12:32 PM)
ur statement juz now make me blur,it against the things dat i know previously,but now u cancel it off,lol..... icon_question.gif  icon_question.gif
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Sorry I confuse dy. I always thought AFR is measured via MAF sensor and injector flow rate. I'm curious though, if our cars do monitor the AFR, how come we could not get a measured AFR reading from the scanner?

So is there anyway to ascertain that fuel has in fact been cut? or we need the scangauge as shown in mahihi's video?

This post has been edited by dares: Sep 7 2012, 12:47 PM
Mahihi
post Sep 7 2012, 01:00 PM

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QUOTE(dares @ Sep 7 2012, 12:44 PM)
Sorry I confuse dy. I always thought AFR is measured via MAF sensor and injector flow rate. I'm curious though, if our cars do monitor the AFR, how come we could not get a measured AFR reading from the scanner?

So is there anyway to ascertain that fuel has in fact been cut? or we need the scangauge as shown in mahihi's video?
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have u try to monitor ur afr when ur car is running above 3k???where the car will be running in close loop???

p/s:sorry,open loop,damn,i am getting blur n blur..

This post has been edited by Mahihi: Sep 7 2012, 01:13 PM

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