S2000 Under The Hood S2000 Technical and Mechanical discussions.

missssfiring....no engine check or cel

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Old 06-14-2007, 12:24 AM
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This is EXACTLY the same problem I'm having. And it's intermittent. I'm kind of relieved to hear it's not just me, I actually thought it was a result of the computer getting confused by the 15degree (celsius) daily temperature swing in this crazy new city of mine.

Anyone care to recommend the best (and easiest) method of cleaning the injectors? A pressurized flush, or just run some STP injector cleaner through a tank?
Old 06-14-2007, 04:15 PM
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ok just got new injector but still doin it wo its not injector ..sparkplug or coil...what else i can check... and i just put my amuse R1000..doing same thing so its not cat or exhaust... and that buc buc noise got louder with my R1000.... damn man..this thing i kill me...... now what get new ECU?.. IS IT SAFE TO DRIVING WITH THIS CONDITION?.. IT RUNS PERFECT.. any idea guys?>
Old 06-14-2007, 04:56 PM
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Water in Gas?
Old 06-14-2007, 06:02 PM
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I dont think dirty injectors would be the cause with only 40k miles. I would check with an NOID light to see if your injectors are maybe not getting power? Or with a Multimeter to see if there getting enough power or the right amount of Resistance. When you put the plugs in did you gap them correctly?
Old 06-14-2007, 06:16 PM
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Originally Posted by zenkai_ate_you,Jun 13 2007, 06:20 PM
um...ok... can somebody explain to me why my exhause make buc buc noise when im at the stop sign and feelin that misfire thing too its just a little bit so somebody who seattin on passinger side person can even feel this but driver can
...T_T can i drive hard with this/>>>>??
Its just dropping rpms from the deceleration and when you are completely stopped its adding fuel and trting to maintain stoich. Mine did this alot when it was stock and very hot out. It eventually evens out though. Like they said if its a misfire, which I have had several times, it will leave a CEL or a blinking CEL.
Old 06-16-2007, 11:05 PM
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read my first writting please..
Old 06-17-2007, 11:19 AM
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um....somebody..???
Old 06-17-2007, 11:43 AM
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Brandon, just buy EMS.
Old 06-17-2007, 11:47 AM
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i i do not think its ECU problem... with AC on car is ok man...dont know what the heck is this problem yo....anyways cometo church and bring my water defi gauge too..
Old 06-21-2007, 10:23 PM
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https://www.s2ki.com/forums/index.ph...ic=292304&st=0

Short version = Injectors if it lines up with this thread
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