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Re: Super MD injector pump problems


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Posted by M Diesel on April 29, 2010 at 11:23:48 from (12.24.61.12):

In Reply to: Super MD injector pump problems posted by Eric Fox on April 28, 2010 at 18:52:44:


Eric Fox said: (quoted from post at 18:52:44 04/28/10) If I am getting pressure to the gauge should I still bleed the whole system or go straight for the injectors?


More than likely some crud is sticking the plunger or the rack isn't moving well. Also one or more of the distributor valves may be stuck. One being open will take down the entire system. And people who quote "bad pump" tick me off.

These rarely require bleeding, except for filters. Even those will generally fill just fine. The gravity one likes to be bled out.

Since you have pressure at the gauge...

To evaluate your situation, open all injector bleeders, start on gas, open/close throttle. All should spit out fuel on demand. Do not run for more than 10 minutes on gas, and then be sure to close decompression when shut off.


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