engine misfires under boost.

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Old Mar 10, 2010 | 07:44 PM
  #26  
95skunkedgsr's Avatar
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Default Re: engine misfires under boost.

if you have a advanced auto or auto zone in the area they will test that for free
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Old Mar 11, 2010 | 06:33 PM
  #27  
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Default Re: engine misfires under boost.

checked the wiring on the MAP and the wires are connected right. Next i will switch back to stock map and see if that helps any. This problem happens at any level of boost.
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Old Mar 16, 2010 | 05:32 PM
  #28  
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Icon3 Re: engine misfires under boost.

Don't plug in your stock map sensor if it's set up for an aftermarket one! I've been advised that doing so can seriously fv(k some $h!+ up.
If you know someone with the same map sensor as you, just ask if you can swap real quick. It'll either fix your problem or it won't, but at least you'll know.

Last edited by Tulo; Mar 16, 2010 at 05:53 PM.
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Old Mar 17, 2010 | 06:52 PM
  #29  
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Default Re: engine misfires under boost.

i'm going to buy another map, i don't know anyone with one so i'm stuck buying it.
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Old Mar 23, 2010 | 03:33 PM
  #30  
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Default Re: engine misfires under boost.

well i noticed that my spark plug wires were arching if i pulled a wire while the car was running. They were ngk so i changed them to stock honda wires and they still arch but not as much. Could this be the cause of the car running like this? They are arching from the boots, not just the bottom of the boot but all from the sleeve.
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Old Mar 27, 2010 | 11:28 AM
  #31  
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Default Re: engine misfires under boost.

sounds like wires are shot are you running a msd setup
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Old Mar 31, 2010 | 03:17 PM
  #32  
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From: houston
Default Re: engine misfires under boost.

no, its a stock set up.
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Old Apr 28, 2010 | 08:07 PM
  #33  
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Default Re: engine misfires under boost.

Originally Posted by lsneo
no, its a stock set up.
So did you have the problem figured out?
My car is doing the same thing, injectors almost run out and it starts to break up in boost bad. I did manage to lose the break up with a good known dizzy from a friend, though. I think the overlap of the all motor cams is part of the problem. I got the crane stage 2 all motor cams.

LMK if you got it fixed, just want to know what caused it.
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Old Apr 29, 2010 | 03:55 AM
  #34  
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Default Re: engine misfires under boost.

i would also like to know if you have the problem figured out yet.

my car only made 122hp cause of some interference with the motor but changed everything that my tuner told me to. still acting up so let me know cause would like to get my car up and running before i deploy.
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Old Apr 29, 2010 | 01:16 PM
  #35  
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Default Re: engine misfires under boost.

no the car has been parked in my garage i have not had time to deal with it. Its funny because i saw both of your threads and was hoping that someone would figure something out.
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Old Apr 29, 2010 | 01:36 PM
  #36  
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Default Re: engine misfires under boost.

check your alternator you said the lights are dim. with not enough voltage it wont run right either.
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Old Apr 30, 2010 | 04:30 AM
  #37  
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Default Re: engine misfires under boost.

check a/f and timing
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Old Apr 30, 2010 | 04:31 AM
  #38  
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Default Re: engine misfires under boost.

check fuel pressure to
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Old Aug 23, 2011 | 07:17 AM
  #39  
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Default Re: engine misfires under boost.

What was the result. Having similar issues....
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