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GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

P0300 missfire fix

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Old Feb 25, 2017 | 03:52 PM
  #16  
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Originally Posted by SILENTM
Be careful with this method as you can easily hydrolock the engine. Some of the solution will get stuck inside the intake manifold. This method is good for preventive maintenance after a good walnut blasting. It will just take off the top layer of carbon and eventually clog up the cats, leading to and more expensive repair. Not to discourage anyone, just a heads up<img src="https://cimg4.ibsrv.net/gimg/www.clublexus.com-vbulletin/2000x1504/80-img_4157_be637628ce7f9751bf4780361650d9b2c7ac0684.jpg"/><br /><img src="https://cimg3.ibsrv.net/gimg/www.clublexus.com-vbulletin/2000x1504/80-img_4228_0c8875c68b2f6e926cb081ab21e8f47741b3853e.jpg"/><br />This was left to soak in berrymen chem-dip for a week
<br /><br />wow... Is that from a Gs300 or 350? I thought the 350s don't have these issues
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Old Feb 25, 2017 | 04:43 PM
  #17  
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yes it was from a gs300 and gs350 will have less carbon build up due to the port injection added but i would like to see someone with a gs350 remove the intake manifold to see if it does help just out of curiosity
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Old Jan 28, 2020 | 10:35 PM
  #18  
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A+DAMN that is Dirty
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Old Nov 6, 2021 | 12:56 AM
  #19  
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new update bg 444K is another cleaning carbon deposit product beside seafoam.i got great results with both so far
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