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PostPosted: Wed Jan 05, 2022 2:29 pm 
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Joined: Fri Nov 25, 2016 5:22 am
Posts: 11
Location: Turkey
Any one of you have replace the 4g61 head on to 4g63t after you got knock issue?? I have phantom knock issue i read 43 on datalogger pls help me i can not handle of this issue and car is retaring all the time but sometimes not.. i can share datalogger values if you need them
thank you🙏


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PostPosted: Sat Jan 08, 2022 10:54 am 
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Joined: Fri May 08, 2020 1:11 pm
Posts: 59
Location: Germany
What is your exact setup?

High knock can be caused by a faulty knock sensor.


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PostPosted: Wed Mar 23, 2022 11:10 pm 
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Joined: Mon May 01, 2006 9:06 pm
Posts: 83
Location: Santa Barbara Ca
With the 4G 61 head on the 63 block you probably got about 11 or 12:1 compression that’s the problem.


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