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Single Pop at low rpm

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Old Apr 21, 2008 | 03:06 PM
  #1  
80210's Avatar
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From: Denver, CO
Single Pop at low rpm

I've searched and seen some similar threads but everyone's car seemed to stop working after there popping noises.

I just installed a walbro and MBC and am slightly tuned for it, I am not runing any more boost then I was stock although now there is less taper.

It is only slightly tuned cause Im in the process of fully tuning it.... anyways,

I drove it yesterday for 50 miles on the highway and not a single problem. Today I get in my car and as I leave the parking lot (couldnt be going more than 10 mph) I hear a loud pop from the engine bay. I felt a quick jut (almost like turbo lag w/ a random loud BOV noise)

After the pop I drove it home (only a mile) but no signs of any problems whatsoever.

Could this have just been a random LOUD knock? It was almost as if the BOV randomly shot off and I my car got a jut of turbo lag. Could this be some sort of turbo lag? It's gotten warmer up here in Colorado but coolant temps have remained ok even yesterday when it was warmer.

Thanks! My mods are updated in my sig if it helps.

Last edited by 80210; Apr 21, 2008 at 03:09 PM.
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Old Apr 21, 2008 | 03:17 PM
  #2  
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From: Salida
Intercooler piping coming off, maybe?

Try checking and see if that's the problem.
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Old Apr 21, 2008 | 03:23 PM
  #3  
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Yeah that was my thought, it looked ok though Ima run out and double check.

IC Piping seems to be fine. I am going to tighten all back down tho maybe some air escaped without blowing the piping off the clamp.


Update: Thanks to the help of 4WS, it could be a misfire due to my newly installed walbro (could have came loose). I'll keep you updated.

Last edited by 80210; Apr 21, 2008 at 03:44 PM.
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Old Apr 21, 2008 | 03:32 PM
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From: San Diego, CA
Delete.
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Old Apr 21, 2008 | 05:45 PM
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Any resolution on this? Just curious now!

Josh
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Old Apr 23, 2008 | 08:53 AM
  #6  
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From: Ft. Lauderdale, Fl
Originally Posted by jmelocik
Any resolution on this? Just curious now!

Josh


Yep, problems fixed! The rubber sleeve that slides onto the top of the walbro wasn't on properly so he was loosing pressure which was causing the misfire. Everything is golden now.

Cheers!
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