since yesterday's service
03-05-2004, 06:44 PM
#1
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since yesterday's service
Well since yesterday service, my car is now sputtering.... 
when i start the car, the rpm just goes below 1K, and sputters and eventually dies... got to recrank couple of times b4 it will keep the engine alive.... :swear2: also does the same thing while stopped at a light... any help in this would be appreciated and tommorow will be at the dealer to give an earful 
previous thread which has all the service done is:
http://www.acura-cl.com/forums/showt...hreadid=133010
when i start the car, the rpm just goes below 1K, and sputters and eventually dies... got to recrank couple of times b4 it will keep the engine alive.... :swear2: also does the same thing while stopped at a light... any help in this would be appreciated and tommorow will be at the dealer to give an earful previous thread which has all the service done is:
http://www.acura-cl.com/forums/showt...hreadid=133010
03-06-2004, 12:22 AM
#3
Suzuka Master
Ant gave you some good advice. I'd take it...
Whatever they did, they messed-it up (exception being some awful coincidence).
Ask them, "Could you please tell me why you put in a new PCM/ECU?"
If the car just started doing this -- on its own -- the idle control valve would be logical part to consider.
Since they claimed they replaced the fuel pump, I wonder if they put in a dud pump or messed with the fuel pressure regular and forgot something. They don't sound too sharp...
Does it run OK if you’re off idle?
And, to be clear, you’re saying that the car sputtered from the moment you drove it away?
Whatever they did, they messed-it up (exception being some awful coincidence).
Ask them, "Could you please tell me why you put in a new PCM/ECU?"
If the car just started doing this -- on its own -- the idle control valve would be logical part to consider.
Since they claimed they replaced the fuel pump, I wonder if they put in a dud pump or messed with the fuel pressure regular and forgot something. They don't sound too sharp...
Does it run OK if you’re off idle?
And, to be clear, you’re saying that the car sputtered from the moment you drove it away?
03-06-2004, 09:12 AM
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Originally posted by EricL
Ant gave you some good advice. I'd take it...
Whatever they did, they messed-it up (exception being some awful coincidence).
Ask them, "Could you please tell me why you put in a new PCM/ECU?"
If the car just started doing this -- on its own -- the idle control valve would be logical part to consider.
Since they claimed they replaced the fuel pump, I wonder if they put in a dud pump or messed with the fuel pressure regular and forgot something. They don't sound too sharp...
Does it run OK if you’re off idle?
And, to be clear, you’re saying that the car sputtered from the moment you drove it away?
Ant gave you some good advice. I'd take it...
Whatever they did, they messed-it up (exception being some awful coincidence).
Ask them, "Could you please tell me why you put in a new PCM/ECU?"
If the car just started doing this -- on its own -- the idle control valve would be logical part to consider.
Since they claimed they replaced the fuel pump, I wonder if they put in a dud pump or messed with the fuel pressure regular and forgot something. They don't sound too sharp...
Does it run OK if you’re off idle?
And, to be clear, you’re saying that the car sputtered from the moment you drove it away?
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03-07-2004, 09:58 AM
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well ant thank you cuz u were right... it was the Idle air control valve.... spoke to the tech and he said he changed the ECU cuz they wanna prevent the tranny from break down... and I was like WTF... now for the brake vibrations I have to wait till the end of the week, cuz i can't take it in... to much work load... oh well at least it alive again.... The service advisor didn't know what to say... so i asked for the tech... wanted to know why all this was done.... in short... not a good explanation but i just wanted to get my car fixed, and get out there... will definitely be going to another dealer for my continued service...
03-16-2004, 12:30 PM
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Originally posted by babyblue
well ant thank you cuz u were right... it was the Idle air control valve.... spoke to the tech and he said he changed the ECU cuz they wanna prevent the tranny from break down... and I was like WTF... now for the brake vibrations I have to wait till the end of the week, cuz i can't take it in... to much work load... oh well at least it alive again.... The service advisor didn't know what to say... so i asked for the tech... wanted to know why all this was done.... in short... not a good explanation but i just wanted to get my car fixed, and get out there... will definitely be going to another dealer for my continued service...
well ant thank you cuz u were right... it was the Idle air control valve.... spoke to the tech and he said he changed the ECU cuz they wanna prevent the tranny from break down... and I was like WTF... now for the brake vibrations I have to wait till the end of the week, cuz i can't take it in... to much work load... oh well at least it alive again.... The service advisor didn't know what to say... so i asked for the tech... wanted to know why all this was done.... in short... not a good explanation but i just wanted to get my car fixed, and get out there... will definitely be going to another dealer for my continued service...
03-16-2004, 02:27 PM
#17
Suzuka Master
Originally posted by Rock2534
What difference does the new ECU make?
What difference does the new ECU make?
However, from Acura's "engineering notes," it has modified programming to change the shift operation to reduce the wear on the clutch packs.
When ever you shift, the ECU sends a signal to one of three solenoids. The solenoids don't just "bang" on and off -- the "speed" of their transitions can be altered.
The solenoids could do the equivalent of "dropping the clutch" or "slipping a clutch" on a manual. And, there is are clutch packs for each gear, so you want to release one and engage another just right. (Image what would happen if they both 2nd and 3rd gear were trying to "slip" or "grab" at the same time, all the time.)
03-16-2004, 02:36 PM
#18
Drifting
makes sense. I have had mine almost 4 years now, and don't remember them ever mentioning that they did that for any of my services. Wonder if they did. So this wouldn't decrease any performance would it?
03-16-2004, 03:01 PM
#19
Suzuka Master
Originally posted by Rock2534
makes sense. I have had mine almost 4 years now, and don't remember them ever mentioning that they did that for any of my services. Wonder if they did. So this wouldn't decrease any performance would it?
makes sense. I have had mine almost 4 years now, and don't remember them ever mentioning that they did that for any of my services. Wonder if they did. So this wouldn't decrease any performance would it?
A. May 3, 2002
B. Hydraulic pressure timing characteristics at shift were changed to reduce the thermal loading of the clutch.
C. To reduce heat generation in the third clutch during hydraulic pressure switching at shifts.
...
AND
P788:
ECU change info (COLD):
Previous shift when cold was 6200 RPM on 2 to 3 shift. Modified (new) version is now shifting at 5700 RPM. (THIS IS FOR COLD OPERATION [ATF COLD])
G-force went from 0.100 (pre-mod) to 0.112 (post-mod)
ATF temps around 30 deg. C
P789:
ECU change info (WARM)
Previous shift, when warm, was 6426 RPM [measured] during 2 to 3 upshift. Modified ECU now has shift at 6369 RPM [measured] during same 2 to 3 upshift.
G-force went from 0.110 to 0.130.
ATF was 83 – 85 degrees C.
03-16-2004, 05:34 PM
#20
Sweet as Gold
Originally posted by Chopper
I'll be damned, I mentioned the IACV, and they ordered me an EGR valve, which Ant told me in my thread that the EGR valve will do nothing for the idle.
I'll be damned, I mentioned the IACV, and they ordered me an EGR valve, which Ant told me in my thread that the EGR valve will do nothing for the idle.
03-16-2004, 07:59 PM
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Originally posted by Ant7701
how did ur's work out???
how did ur's work out???
1-- put in the new EGR valve
2-- Repalce Sunroof glass, due to ticking noise (I found the damn cause of the ticking, it is the wind deflector that pops up when the sunroof is slid back), but whatever
3-- New headlight housings installed (ones they just put in fog when I wash car)
What I don't get is: what are the grounds for ordering the new EGR valve, when I mentioned the IACV ?
Sorry babyblue didn't mean to
03-16-2004, 08:58 PM
#22
Sweet as Gold
haha...sorry to hear that man, there was a bulletin for that sunroof wind deflector that came out 2-3 years ago. I can't believe that they didn't order that part instead. Lemme know how it goes and everything...good luck 
03-16-2004, 09:06 PM
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Originally posted by Ant7701
haha...sorry to hear that man, there was a bulletin for that sunroof wind deflector that came out 2-3 years ago. I can't believe that they didn't order that part instead. Lemme know how it goes and everything...good luck
haha...sorry to hear that man, there was a bulletin for that sunroof wind deflector that came out 2-3 years ago. I can't believe that they didn't order that part instead. Lemme know how it goes and everything...good luck
Part: Order EGR valve
I'm not going to get started on the sunroof.....
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