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Weber DCOE Accelerator pump.

 
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After_Thought  



Joined: 08 Oct 2019
Posts: 44
Location: Hudson ohio

PostPosted: Mon Apr 05, 2021 5:58 am    Post subject: Weber DCOE Accelerator pump. Reply with quote

After Weber's sat for a while it was time to put them on the car and noticed only 1 accelerator pump was spitting fuel out. I cleaned everything (soda blasted it and ran everything through an ultrasonic cleaner) and still 1 accelerator pump is working. (this time a different one). what is going on. I'm 99.9% sure I built them correctly. not my first time and I followed a guild last night when i did it so i was 100% sure.

Why would these circuits not be working? Do they need to be installed on the head to work because of some vacuum reason?

any help would be greatly appreciated. I tried everything I knew what to try, now I'm coming to the experts.


video of it. https://youtu.be/cu5QWYMjGJA
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anthonimartini  



Joined: 17 Feb 2020
Posts: 115
Location: portland oregon

PostPosted: Mon Apr 05, 2021 7:11 am    Post subject: Reply with quote

make sure you have installed the pump jet/check valve in the float bowl. could also be that ithe check valve does not hold pressure anymore. other than that make sure the nozzle flows freely. i usually blow through them with them removed from the car with my mouth and feel for a slight bit of air coming out of the nozzle.
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After_Thought  



Joined: 08 Oct 2019
Posts: 44
Location: Hudson ohio

PostPosted: Mon Apr 05, 2021 7:20 am    Post subject: Reply with quote

The pump jets do have flow.

OMG now that you say it. before i cleaned them, i had only 1 pump jet working. after cleaning, still only 1 pump jet. (however a different one) maybe only one of the check valves is working and i just installed it in a different spot. ill go see if thats the case. thank you so much. i forgot about those. ill get back to you
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After_Thought  



Joined: 08 Oct 2019
Posts: 44
Location: Hudson ohio

PostPosted: Mon Apr 05, 2021 8:06 am    Post subject: Reply with quote

nope did not work. switched the float bowl check valves and still nothing. this is so frustrating. maybe i run them through the ultrasonic cleaner again? I just have no idea what to do
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