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1/4 throtle hesitation and backfire

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Old Jun 16, 2004 | 04:46 PM
  #1  
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Shell 93
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1/4 throtle hesitation and backfire

the problem hapins when I am acelerating past 1/4 throtle and just as i start to build bost....not even 1 psi
i am running stock computer with open exaust....if anyone has any ideals i would apreciate the input....

thanks
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Old Jun 16, 2004 | 05:11 PM
  #2  
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Shell 93
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oh yea.......this is a stock setup except for no emisions, the use of TII coils ....and it is in a first gen

Last edited by kevinbtz; Jun 16, 2004 at 05:17 PM.
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Old Jun 16, 2004 | 06:04 PM
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So, you have a 3rd Gen 13B-REW in a 1st Gen RX-7, all stock, using TII coils?
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Old Jun 16, 2004 | 06:30 PM
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yes.....I was bored
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Old Jun 16, 2004 | 06:57 PM
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What are you using for an ignitor?
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Old Jun 16, 2004 | 07:01 PM
  #6  
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stock 93 tt ignitor.....by the way....the back and mis fire is really bad ....thanks for any help

Last edited by kevinbtz; Jun 16, 2004 at 07:03 PM.
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Old Jun 16, 2004 | 07:52 PM
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Any particular RPM perhaps? Is this just at about 2200 or is this past 3k?
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Old Jun 16, 2004 | 08:04 PM
  #8  
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Shell 93
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it happens when the secondary throtle buterflies start to open........check map...ok...I am starting to check theTPS right now
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Old Jun 16, 2004 | 09:35 PM
  #9  
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I think I found the problem.....when i took out the solenoids my d.a. forgot the 330 ohm resistors...

Last edited by kevinbtz; Jun 16, 2004 at 09:56 PM.
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Old Jun 16, 2004 | 10:15 PM
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Originally posted by kevinbtz
I think I found the problem.....when i took out the solenoids my d.a. forgot the 330 ohm resistors...
If you aren't using an ignition amp, you might also think of one. The rumor is that the 93 stock ignitor needs a little more power to run the TII coils:

https://www.rx7club.com/showthread.p...hreadid=260205
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