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unusual misfiring problem
3rd Generation Acura Integra (1994-2001)
12-20-2008, 01:29 AM
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#1
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filipinoFTW!
Join Date: Dec 2007
Location: Charleston, SC
Posts: 186
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unusual misfiring problem
hey everybody,
i have a 2000 gsr. motor is bone stock. but for MONTHS now its had a really weird problem. it will throw a cel for misfire on cylinders 1-4, and a random multiple misfire. the thing is, its intermittent. the cel will come on for a week or two, then go away. then come back... and its been this way for months. theres time where the exhaust CLEARLY sounds like its misfiring (put put put) and times where the motor would just purr. i have no idea whats up... and honestly, i'm really confused.
just so everybody knows, EVERYTHING ignition related is brand new.
OEM gsr distributor (new, oem)
dizzy cap/rotor NEW OEM as well
ngk wires
ngk plugs (gapped correctly)
any suggestions? its really aggravating...
thanks everybody, i appreciate any and all help/input.
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12-20-2008, 01:58 AM
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#2
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Unregistered User
Join Date: Nov 2004
Location: Baraboo, WI
Age: 24
Posts: 9,577
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man... You did a hell of a job shooting down all the basic idea's people will have off the bat too. haha
under what conditions does it usually misfire? like... up a steep hill, certain RPM range, or after it rains?
anything like that?
__________________
Kuchta = Kutcha, Koochboy, Kuchtaboy, Kutchaboy, Kuchtaday, Kutch, Kutchos, Kuchtaday, Clutch, Ketchup, Kucht, Kutchtakente, Kutchykoo, Mr. Fat Fingers, b****face, or s***face
Canon XT | Canon XT | Canon Film EOS | 18-55mm F/3.5-5.6 | 28-80mm F/3.5-5.6 | 50mm F/1.8 | 75-200mm F/4.0 | 75-300mm F/4-5.6
**1993 RS DA9 - Gone**
**1991 LS DA9 - Gone**
**1993 LX EG8 - Gone**
**2001 LS DC4 - Almost Gone**
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12-20-2008, 03:36 AM
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#3
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Name: Cody
Join Date: Jan 2008
Location: Kent, WA
Age: 22
Posts: 1,708
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check for any air leaks would be my next thing on the list, or one time i was freaking out cause my motor keep misfiring and we were overlooking everything and found a loose wire on the dizzy lol, just double check everything and make sure its tight
__________________
I <3 spam
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12-20-2008, 09:00 AM
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#4
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Angkorian
Join Date: Dec 2005
Location: Montgomery County
Age: 25
Posts: 4,658
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Pull your plugs and take a look at them..its possible that your air/fuel ratio is all messed up, that could cause a misfire.
Doubt its the dizzy/rotor, that would most likely affect all cylinders.
Is the engine hard to start? Or stall/almost stall at idle?
__________________
'96 MR DC4-wrecked
'98 CGP DC2-stolen
'02 EBP EM2-totaled-not at fault
'07 NBP RDX Tech-current
'99 PWP BB6-current
Quote:
Originally Posted by BrokenTalon27
People need to stop getting so butt hurt every time they get lit up by someone who doesn't agree with them
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Quote:
Originally Posted by jznsn2u
KOSAL YOU ARE LEGIT SIR
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The bitterness of poor quality remains long after the sweetness of low price is forgotten
Anti-Tire Stretching Crew Member #3
Last edited by heykosal; 12-20-2008 at 10:53 AM.
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12-20-2008, 09:37 AM
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#5
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Unregistered User
Join Date: Nov 2004
Location: Baraboo, WI
Age: 24
Posts: 9,577
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^^ What?
Why wouldn't the dizzy affect the misfire? that's the key piece to the fire itself. lol
__________________
Kuchta = Kutcha, Koochboy, Kuchtaboy, Kutchaboy, Kuchtaday, Kutch, Kutchos, Kuchtaday, Clutch, Ketchup, Kucht, Kutchtakente, Kutchykoo, Mr. Fat Fingers, b****face, or s***face
Canon XT | Canon XT | Canon Film EOS | 18-55mm F/3.5-5.6 | 28-80mm F/3.5-5.6 | 50mm F/1.8 | 75-200mm F/4.0 | 75-300mm F/4-5.6
**1993 RS DA9 - Gone**
**1991 LS DA9 - Gone**
**1993 LX EG8 - Gone**
**2001 LS DC4 - Almost Gone**
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12-20-2008, 10:13 AM
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#6
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Angkorian
Join Date: Dec 2005
Location: Montgomery County
Age: 25
Posts: 4,658
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Quote:
Originally Posted by Kuchtaboy
^^ What?
Why wouldn't the dizzy affect the misfire? that's the key piece to the fire itself. lol
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I didn't say it wouldn't affect the missing, I said it would most likely affect ALL cylinders. Say for example if the coil was weak or there was excessive rotor gap.
__________________
'96 MR DC4-wrecked
'98 CGP DC2-stolen
'02 EBP EM2-totaled-not at fault
'07 NBP RDX Tech-current
'99 PWP BB6-current
Quote:
Originally Posted by BrokenTalon27
People need to stop getting so butt hurt every time they get lit up by someone who doesn't agree with them
|
Quote:
Originally Posted by jznsn2u
KOSAL YOU ARE LEGIT SIR
|
The bitterness of poor quality remains long after the sweetness of low price is forgotten
Anti-Tire Stretching Crew Member #3
Last edited by heykosal; 12-20-2008 at 10:53 AM.
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12-20-2008, 10:43 AM
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#7
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Unregistered User
Join Date: Nov 2004
Location: Baraboo, WI
Age: 24
Posts: 9,577
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ohh. lol
I just read it wrong then
__________________
Kuchta = Kutcha, Koochboy, Kuchtaboy, Kutchaboy, Kuchtaday, Kutch, Kutchos, Kuchtaday, Clutch, Ketchup, Kucht, Kutchtakente, Kutchykoo, Mr. Fat Fingers, b****face, or s***face
Canon XT | Canon XT | Canon Film EOS | 18-55mm F/3.5-5.6 | 28-80mm F/3.5-5.6 | 50mm F/1.8 | 75-200mm F/4.0 | 75-300mm F/4-5.6
**1993 RS DA9 - Gone**
**1991 LS DA9 - Gone**
**1993 LX EG8 - Gone**
**2001 LS DC4 - Almost Gone**
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12-20-2008, 10:48 AM
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#8
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Registered User
Join Date: Aug 2004
Age: 28
Posts: 79
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Quote:
Originally Posted by heykosal
I didn't say it wouldn't affect the missing, I said it would most likely affect ALL cylinders. Say for example if the coil was weak or there was excessive rotor gas inside.
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what the hell is rotor gas?
OP. Look into your TPS. My GSR does this every now and again. With the car running at operating tempature, pop the hood and wiggle the tps plug around and see if the misfire returns.
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12-20-2008, 10:53 AM
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#9
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nothing from nowhere
Join Date: Oct 2008
Posts: 4,732
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a fuel problem can cause a misfire,ive never heard of rotor gas either?
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12-20-2008, 10:53 AM
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#10
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Angkorian
Join Date: Dec 2005
Location: Montgomery County
Age: 25
Posts: 4,658
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Quote:
Originally Posted by slambedcivic
what the hell is rotor gas?
OP. Look into your TPS. My GSR does this every now and again. With the car running at operating tempature, pop the hood and wiggle the tps plug around and see if the misfire returns.
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I meant gap, I fixed it.
__________________
'96 MR DC4-wrecked
'98 CGP DC2-stolen
'02 EBP EM2-totaled-not at fault
'07 NBP RDX Tech-current
'99 PWP BB6-current
Quote:
Originally Posted by BrokenTalon27
People need to stop getting so butt hurt every time they get lit up by someone who doesn't agree with them
|
Quote:
Originally Posted by jznsn2u
KOSAL YOU ARE LEGIT SIR
|
The bitterness of poor quality remains long after the sweetness of low price is forgotten
Anti-Tire Stretching Crew Member #3
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12-20-2008, 11:09 AM
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#11
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Registered User
Join Date: Aug 2004
Age: 28
Posts: 79
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Quote:
Originally Posted by heykosal
I meant gap, I fixed it.
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lol. sweet.
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12-20-2008, 11:46 AM
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#12
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Registered User
Join Date: May 2008
Location: NorCal
Posts: 101
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check the valve adjustment, especially the exhaust valves. bad gas or faulty injector(s) can also cause muti and random misfire codes
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12-20-2008, 11:49 AM
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#13
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Unregistered User
Join Date: Nov 2004
Location: Baraboo, WI
Age: 24
Posts: 9,577
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loL!
I just read the first part of what he posted.
There's a lot of things that can cause a misfire... Cam sensor, crank sensor, MAP sensor, TPS sensor, faulty wires, faulty grounds, leaky injectors, stuck injectors, a plugged cat... the list goes on.....
__________________
Kuchta = Kutcha, Koochboy, Kuchtaboy, Kutchaboy, Kuchtaday, Kutch, Kutchos, Kuchtaday, Clutch, Ketchup, Kucht, Kutchtakente, Kutchykoo, Mr. Fat Fingers, b****face, or s***face
Canon XT | Canon XT | Canon Film EOS | 18-55mm F/3.5-5.6 | 28-80mm F/3.5-5.6 | 50mm F/1.8 | 75-200mm F/4.0 | 75-300mm F/4-5.6
**1993 RS DA9 - Gone**
**1991 LS DA9 - Gone**
**1993 LX EG8 - Gone**
**2001 LS DC4 - Almost Gone**
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12-20-2008, 01:53 PM
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#14
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filipinoFTW!
Join Date: Dec 2007
Location: Charleston, SC
Posts: 186
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you guys rock. thanks for all the input and help, i REALLY REALLY appreciate it!
so today i'll take everybody's words... i'll check for faulty wiring or anything around the dizzy... i'll just double check and make sure all the plugs are good. about the tps thing, i didnt know that that could cause similar problems. thats really weird... but you may be right. so i'll check on that as well. i'll just do what everybody said in this thread.... haha. what have i got to lose? lol. thanks again everybody!
oh yeah, to the person who brought up valve adjustment, they are in spec. they were done about 2 months ago. i have a feeling it may be injectors...... given the previous owner was the only owner before me, do you think that her buying cheap gas for 7 years could have 'dirtied up' or somehow clogged the fuel system with debris??? i dont know.... all i did for the fuel system was buy a new filter when i first got the car.
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12-20-2008, 08:15 PM
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#15
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Name: Cody
Join Date: Jan 2008
Location: Kent, WA
Age: 22
Posts: 1,708
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you can go to any auto parts store and put some lucas injector cleaner in gas and see if that helps and if not, it cant hurt, its only like 5 bucks
__________________
I <3 spam
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