Briggs and Stratton pressure washer won't start with pump attached

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Old 02-01-19, 05:14 PM
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Briggs and Stratton pressure washer won't start with pump attached

Pressure washer won't start when attached to pump. It starts easily when pump is disconnected. Any opinions appreciated.
 
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Old 02-01-19, 07:44 PM
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Based on that little bit, I'd say the pump is bad. I assume you've tried with or without water, holding the trigger before starting, etc...
 
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Old 02-02-19, 08:07 AM
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I tried several tricks

I tried starting with and without water. I tried cleaning carburetor, replacing spark plugs, opening the air filter, replacing oil, testing ignition coil, etc. I even tried starting while holding the trigger & tried while adjusting the unloader. Nothing seems to work. I'm not sure if the issue is with motor or pump.
 
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Old 02-02-19, 09:40 AM
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How can it be the engine if it starts without the pump ?
Is the problem the engine is hard to pull over with the pump attached ?
Have you tried it without the water on ? No water connected.
If its still hard to pull..... the pump has an internal problem.
 
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Old 02-02-19, 09:50 AM
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PJMax, About "how can it be engine if it starts without pump": I don't know. I'm not sure if an engine starting without any load on it is same as it starting while handling a load.

About starting with pump attached: No difficulty pulling the rope. It almost seems like it will start in few more pulls but it never does no matter how long I keep pulling it. I have tried with & without water connection & there is not much difference.
 
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Old 02-02-19, 10:42 AM
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How well does it start and run without the pump? With one pull and smooth perfect running, or with difficulty and not very smooth?
 
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Old 02-02-19, 11:46 AM
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Without pump attached it typically starts after a couple of pulls. It is pretty much effortless & runs very smooth.
 
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Old 02-03-19, 03:41 AM
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What pump is on it? Still sounds like a bad pump with internal problems.
 
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Old 02-03-19, 08:26 AM
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Annovi Reverberi RMW 2.5G23
 
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Old 02-03-19, 12:29 PM
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Correction: RMW 2.5 G28 ( not 23)
 
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Old 02-03-19, 01:16 PM
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Is the engine harder to turn with the pump on it?
 
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Old 02-03-19, 01:45 PM
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It is not hard although there is some difference. As I mentioned earlier it almost seems like the engine will start in a few more pulls but it never does.
 
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Old 02-03-19, 05:03 PM
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Without being able to personally feel how it feels to crank it and listen to how it behaves, I would still think it's a bad pump. You could check compression, valve clearance, etc... just to be sure to eliminate the engine as the culprit. The engine is generally a little harder to start with the pump attached by nature... are you getting good sharp pulls allowing the engine to rotate fast enough to start? If it's pulling too slowly, it will not spark the plug. Try a shot of starting fluid and see if it helps. Have someone pull the trigger on the wand and keep it held while cranking too.
 

Last edited by cheese; 02-03-19 at 05:40 PM.
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Old 02-03-19, 06:24 PM
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Thanks cheese! I have tried everything except testing the compression. I don't have the tools to test it. The rope does move quickly & yes, I did try starting while holding the trigger.
 
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