Injector flow issues

[ClifFord]

This is more of a tip. Ok for the longest time I thought I had a pick-up / water issue in my front tank. I recently made a electric tube and harness so I could drain the sludge/ water from my front tank. This is coming pre filter under the hood. Ok, so I hooked everything up and started the pump. I did use clear tubing on the tool so I could see the progress. With the rear tank selected, it was pumping yet very slowly. Then when I selected the front tank there was no flow at all. So I discovered it was a clog and n the lines not tank issues. Ok, so I opened the fuel cap on the front tank and blew the line with a rubber nozzle on my air hose. I was very slow. Maybe a half second burst the relief then again till the tank burped. Then the fuel flow was amazing from the front and rear tank. I thought I was having HP issues because after the engine was hot it didn't want to start back. But all this time it was a low flow issue. I never would have found it if not for rigging a electric pump with clear lines. Now it's like I have a brand new engine. All smoking stoped and runs all day a starts right back up.
So this is for all to try before spending so much money on new injectors or pumps. Noone every told me anything like this before so I just want to put it out there for everyone.

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[typ4]

Sounds like some shower head rubber or other type of debris got into the tank switching valve.

 

[ClifFord]

Ya, something. After I blew out the hose both front and rear flow great. I'm going to replace both pick-ups in the future.

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[RetiringColt]

At first glance my shower heads looked fine. I removed the sender and found the plastic screen was almost blocked by black goo. It wouldn't clear by back purging either. The tanks were clean. No accumulation anywhere else inside. I had a sunk float in one tank and bad level sender in the other. Replaced them both and installed new shower heads and new switching valve. Runs much better now. So I suggest pulling the senders to have a look if your still having trouble. I've read that people have been able to pull the senders without dropping the tank or pulling the bed?

 

[ClifFord]

I'm going to swap out the bed for a service body anyway so I can get it all out together then.

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