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Just started today, I have emanage ik20 spark plugs, all the harnesses hooked up. ANyone have any ideas? Never had this before. Thinking maybe either the coil pack got messed up of somthing else.? Help me out

Jeff

 
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why did it just suddenly start doing it?

 
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If i knew that i would have it fixed wouldnt I. lol

 
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have you checked the plugs to see if its running too rich?

 
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Misfire usually means your plugs aren't going off at the right time. Did you just wire in the ignition harness? Check all of your connections and check your ignition on the emanage and make sure your timing isn't off.

 
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check ur valves i had the same issue and i ignored it.....i paid for that later on

 
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Dude i got that last week. I changed the spark plugs and it improved but didnt stop it. So after i changed the spark plugs i let the car idle. after clearing the codes. When it was idle the check engine came on and it said 02 sensor High Voltage. So i tried everything cleaning the connections then one day after it ****ed up i just got so pissed and i messed around with the E-01 boost controller and i turned the car on so pissed i drove it down the street and the check engine light was off and it was fine. Now its doing it sometimes but i know i am running extremely rich so i am going to keep fouling the plugs but clear the codes and check to see if high voltage comes out. Also are you tuned yet?

 
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try to discount the ignition harness

 
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are you running a 93 octane or higher or lower?

 
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I was running 91 octane

 
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thats the highest we have in AZ. unless you pay 5 bucks a gallon for race fuel. We dont get 93 though, I can never find it, ever. I think its cuz we are a lot hotter of a state than most others, so we dont need as high of an octane for our weather.

we have 87, 89, and 91.

 
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Let me ask you this. What type of Fuel Rail are you using?!!!!!!
The reason I am asking is because i had the same problem,before i had a custom fuel rail done.... Everytime I got into boost, it shot those codes,, Mine was Cylinder 3 only though.... I did what was *written above* i changed the spark plugs, and it did improve a lil of the perfomance, but it still did the mis fire every now and then.... so one day, I just tooked of my rail, and looked at the Rc310's INjectors that i had in... and offcourse, the 3rd Cylinder *Injector*. the rubber piece that was on top of it was ripped off, and it was coverin the top of the injector causin it to block fuel to come trough.. SO if you do everything else and nothing happens, try doing that!....
It worked for me!.

 
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^^^ Thanks I have the rsx injectors also so maybe it happened. I got 02 sensor high voltage though after i replaced the spark plugs then it shut off. who knows i am gonna wait to get dyno tuned and see if that will fix the problem right now its just slightly tuned!

 
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Now im pissedm, just spent another 300 bucks to get the car tuned the correct way and its throwing misfire codes again. Everything hooked up right, even the tuner doubled check it, (took it to a different tuner) spark plugs gapped at .38 , air fuel is fine. WHo here has a emange that works with out throwing codes and has all 3 harnesses hooked up. I need help, im stuck.
jeff

 
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After i get tuned i will let you know if i keep getting the codes as of today when i start the car is misfires but once it warms up it drives beautiful. What spark plugs are running? If they are colder they might be too cold

 
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You noticed the same thing as myself, when you start it, it will throw the code. Its radom now meaning it throws the light like every 3 days. Im running the iridium ik20 plugs that were recommened by Dezod.

 
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**** i wonder what the **** is up with our cars its starting to **** me off

 
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I had the same trouble on my k20

I change the spark plug
I change the fuel pump
I change 1 injector
Recheck all the wiring

finally the trouble was all the injector was dirty (my engine ran very bad)..

So first of all...
make a compression test
(you must don't have more than 20 psi different between each cylinder)

after check your fuel press
(you must have between 47 and 54 psi)

after check for TPS signal
(its something about 4,9 V wide open and ,5 V when is close)

clean your injectors (not with something you put in the gaz, you must putting it out, remove the cap and clean with high pressure air)

check everything here... and come back with the result... I have more can help you if this don't work

 
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I have the same problem on my D-17A2!! Changed the plugs twice and now considering a new coil pack. Does any one know the averadge life of a coil pack???

 
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when mine had this problem i just put some fuel injector cleaner and i haven't had another problem. I also began to fill up at chevron

 
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you can check coil resistance with a multimeter. should be around 1.0 +/- 0.1 for each.

 
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after i installed the emanage the emanage, i got cynlinder 1 misfiring. I only have the main harness and injector harness hooked up. let me know if you guys come up with more solutions.

 
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mine missfires and has been tuned and tuned and tuned and it still does it. i talked with battle ground (the tuners) and they said it should not be an issue. the car runs fine but i feel it missfires because i have no cat and the IPS (ITS?) sensor is not hooked up. my cel lght has been on since sept. but it runs fine.

 
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I too have had mine car tuned. My tuner also said it is'nt much to to be concerned with. Whats strange is I have a stock CAT and an IPS sensor hooked up. But my check engine light is on every day because of this. In my oppinion it is a reacurring problem! What can we do...

 
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As he said,
Have you guys done this to cure the problem???

 
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Ran 2 bottles through it. found out mine was a rsx injector that was going bad.

 
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Chances are the problem is in fuler delivery, rather then ignition.

 
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I too have ran a couple of bottles of fuel injector cleaner through the engine. But I have stock fuel parts, so I believe it should'nt be fuel???

 
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May be its spark plugs then

 
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www.lubecontrol.com and buy some cheap ngk vpower plugs just to eliminate the plugs.