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      12-07-2012, 07:48 AM   #1
JamesM3M5
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United_States
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Drives: E92 335i
Join Date: Sep 2011
Location: Northern VA

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Previously working meth kit, now low flow

Running the Vishnu PWM meth setup for over a year now, and it has been 99% flawless. I've had to trim back the hoses going into the push-connect fittings on the pump (no leaks, just being proactive), and had to retighten the connections on the small filter due to sucking air.

Anyway, went out of town and didn't drive the car for a whole 3 days, and it's now acting up. Meth flow is poor, and I don't see any bubbles in the clear tubes that run to the jets, just solid fluid. I've jumped the pressure switch and purged the system 3 times, checked all connections for leaks, it is not sucking any air or leaking anywhere. Logs show flow up and down between 12 and 20, never hits 35 like it used to, injector DC is 100% at full throttle.

Is it possible that the pump is weak? It doesn't seem to shoot as vigorously as before when I jump the switch and dump into a container. Power and ground are good.

Thanks in advance.
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