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Thread: Meth won't stay on...
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09-30-2011, 03:46 PM #1
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Meth won't stay on...
So I'm running a jb4 with the 2.2 pro tank and my meth will kick in for a second then stop, according to the jb4. I checked the lines, and tested the pump, everything seems to work. But when I go WO, it kicks in for a second then stops...no clue what's going on. I can't log it right now, so wondering if anyone has had this problem...
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10-01-2011, 12:08 AM #2
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Bump, let's help him out.
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10-01-2011, 12:54 AM #3
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meth has always been a black magic sort of thing for me..lol
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10-01-2011, 03:28 AM #4
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What meth kit is this again?
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10-01-2011, 03:31 AM #5
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If you see it stops working according to JB4, how comes you cant log?
Originally Posted by hworang00
Check all wirings. You can also force the pump to run and see if it stops after a short time. The only time I've seen this type of problem is for people that used the previous in-trunk tank and didn't install a suction hose in the tank as needed. I guess this should not be a problem with the new tank.
Are you using a CM controller and if so, how is it configured?
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10-01-2011, 12:15 PM #6
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I have my gauges show the meth flow and boost so I can tell when the meth kicks in. Originally Posted by R1000K3
All the wirings are good, and everything works. I checked teh tubing, and forced the pump to flow for a good 10 seconds in a row. The kit I'm using is the 2.2 gal pro tank with the FSB and JB4. No CM controller...everything is set the way it should be according to the JB4/FSB install manual. Oh also one thing I noticed is that, it drops during shifts then doesn't pick back up...it seems to stay on if I don't shift...is there a gear restriction? I thought it was controlled by RPM...BimmerBoost's Resident n00b...
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10-01-2011, 12:36 PM #7
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Most likely you have some actual flow problem you'll need to troubleshoot. You could set methflowmax = 100 (which changes it from FSB input to 0-5v input so we can just see the actual voltages coming out of the FSB) and then do a couple runs on map 3. Then email in the CSV export.
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10-01-2011, 05:07 PM #8
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Sent...and that's why I'll be a BMS fan for life!
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