JB4tech.com - International Turbo Tuning Discussion
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Bogarmora Bogarmora is offline
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Default Q50 silver sport 3.0t on 91 - 06-14-2022, 11:38 AM

I tried two pulls on same log so it might look weird but I tried uploading two different ones and couldn’t find the file but I tried starting at 2500k to redline I won’t run the car on this daily just wanted to see if it ran good just in case maybe a once in while deal but I’m usually on map 2
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File Type: csv Map4&5 June 14,2022.csv (29.9 KB, 10 views)
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JCB JCB is offline
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Default 06-14-2022, 12:50 PM

Map 5 is a no-go. Timing values drop to zero indicating pre-ignition/knock. The Map 4 pull looks ok...timing values low but not terrible. I would be careful though because it is borderline and rising ambient temperatures later in the summer may affect combustion. Try a map 3 pull and post back. You will be trading the additional boost for some additional timing advance, so the car may feel nearly as fast and certainly smoother and safer.
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Bogarmora Bogarmora is offline
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Default 06-14-2022, 02:02 PM

Sounds good brother Iíll do it later at night because when I did this pull it was 80 and right now itís 85 so Iíll let the temp go down and Iíll submit a map6 I was suggested and map 3 pull later , thank you in advance
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Bogarmora Bogarmora is offline
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Default Map3 & map6 - 06-14-2022, 03:51 PM

Howís This look ?
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File Type: csv Map3&6.csv (31.9 KB, 8 views)
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JCB JCB is offline
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Default 06-15-2022, 05:30 AM

Is this the same tank of gas? Your car was not happy on either Map 3 or the Map 6. This looked worse than the Map 5 pull. Anyway, take it easy until you can get some better fuel! What part of the country are you in and what brand of fuel?
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Bogarmora Bogarmora is offline
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Default 06-15-2022, 07:56 AM

Iím in ca 91 shell and Iíve had a problems with my JB4 not connecting or giving certain data lately , sometimes rpm afr or temp gauges would show zero . You think itís the wire because itís the wire that connects from the obd2 to the JB4 thatís giving me issues and you think I should remove the JB4 ?
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Bogarmora Bogarmora is offline
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Default 06-15-2022, 08:00 AM

I’ve noticed every time I accelerate full throttle it goes to zero I’ve posted my concern but nobody replied here the JB4 didn’t even want to change maps either
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Default 06-15-2022, 12:18 PM

Quote:
Originally Posted by Bogarmora
Iím in ca 91 shell and Iíve had a problems with my JB4 not connecting or giving certain data lately , sometimes rpm afr or temp gauges would show zero . You think itís the wire because itís the wire that connects from the obd2 to the JB4 thatís giving me issues and you think I should remove the JB4 ?
Don't think you need to remove it. Just retreat to map 0 or map 1 until you can figure out how to get better fuel. Do you have access to any E-85 where you are? You could try mixing in a few gallons of that with your 91.
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Default 06-15-2022, 12:19 PM

Quote:
Originally Posted by Bogarmora
Iíve noticed every time I accelerate full throttle it goes to zero Iíve posted my concern but nobody replied here the JB4 didnít even want to change maps either
If you are flooring it in Auto mode, the car is likely downshifting. It is normal for timing to reset to zero at each shift and then resume timing advance after that.
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Bogarmora Bogarmora is offline
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Default 06-15-2022, 12:38 PM

I was in third in manual mode when it drops to zero and will the e85 affect my car in anyway I heard it eats up the lines ? I just have drop in filters and a axle back from Infiniti and no resonators -thanks in advance
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Default 06-15-2022, 01:51 PM

Running E85 100% might eat up your lines. Very common to mix a few gallons into a fulol tank to increase octane rating.
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Bogarmora Bogarmora is offline
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Default 06-15-2022, 02:35 PM

Given the circumstances with my JB4 and gas quality in cali Iím just going to sell it because it was fine a while back and I do hear a ticks only on full throttle on certain maps but when I remove the JB4 itís gone and it runs smoother . Thanks for your help !!
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Default 06-15-2022, 02:50 PM

Bummer - Sorry it didn't work out for you. Coincidentally...here might be a buyer for you. Just don't tell why your selling it because he will likely run into the same problems!

How to buy jb4 if living in Ca. | Infiniti Q50 Forum
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Default 06-15-2022, 02:58 PM

Itís working fine now it only did it once and it was after I washed it so it couldíve been water in the plug , might not have anything wrong but itís just my situation with fuel that is making me want to sell it.
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Default 06-15-2022, 03:13 PM

I was just talking about the fuel because the guy looking to buy is from Cali also so probably going to be dealing with the same fuel supply you are.
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Default 06-15-2022, 03:15 PM

Send me his info if you have it please and thank you
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Default 06-16-2022, 07:33 AM

You would need to follow the forum link and contact the seller through a post or PM. It's a very good forum so you would benefit from joining with or without a JB4.
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