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Subaru EA190VS5050 Power Washer - pouring gas

#1

oldlawnguy

oldlawnguy

Got a Subaru EA190V power washer S/N EA190-1479542

Lent it to a neighbor and was working fine.

Got it back, started her up and noticed fuel shutoff was closed. So shut engine down and turned it back on. As soon as I turned fuel shutoff on, gas started pouring out of carburetor. Seems like there is a gravity open stuck somewhere...

Neighbor stated this happened to him too, but let engine cool down and problem went away.

Any help in troubleshooting order of things to check before pulling apart would be appreciated.

Thank you


#2

oldlawnguy

oldlawnguy

Got a Subaru EA190V power washer S/N EA190-1479542

Lent it to a neighbor and was working fine.

Got it back, started her up and noticed fuel shutoff was closed. So shut engine down and turned it back on. As soon as I turned fuel shutoff on, gas started pouring out of carburetor. Seems like there is a gravity open stuck somewhere...

Neighbor stated this happened to him too, but let engine cool down and problem went away.

Any help in troubleshooting order of things to check before pulling apart would be appreciated.

Thank you
Did some more research and found it could be the float needle valve stuck. Would that be the 1st thing to look at?


#3

oldlawnguy

oldlawnguy

Did some more research and found it could be the float needle valve stuck. Would that be the 1st thing to look at?
on it thx!


#4

Scrubcadet10

Scrubcadet10

yep float needle failed most likely.
looks like robin/subaru doesn't want you to fix it.....


#5

oldlawnguy

oldlawnguy

yep float needle failed most likely.
looks like robin/subaru doesn't want you to fix it.....
Yeah
yep float needle failed most likely.
looks like robin/subaru doesn't want you to fix it.....
Is there a chance the needle valve is just stuck open and bowl float & needle valve just needs to be cleaned out? I found the carb assembly item 210 in the diagram for $68 on ProPartsDirect so that seems a little more reasonable. :unsure:

Thx!


#6

Scrubcadet10

Scrubcadet10

That is very possible, that's what I would do since the alternative is somewhat expensive.


#7

oldlawnguy

oldlawnguy

That is very possible, that's what I would do since the alternative is somewhat expensive.
Drained bowl. You could see gas mix in bowl was like dark turpentine, but bowl much cleaner than was expecting. Valve was stuck, so used carb cleaner and compressed air and got it moving again. Cleaned the bowl and then gave it a go. Started right up.

Thanks!

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#8

oldlawnguy

oldlawnguy

What do you guys recommend for pressure washer pump protector?

My pump does not have an oil resevoir like some do.

The $15 bottle you can get at HD seems like a scam.

Thx


#9

Scrubcadet10

Scrubcadet10

What do you guys recommend for pressure washer pump protector?

My pump does not have an oil resevoir like some do.

The $15 bottle you can get at HD seems like a scam.

Thx


#10

F

Freddie21

Are you trying to protect the pump during the off season? If so, I first, will suck through RV antifreeze to protect the pump from freezing, then turn off the fuel shut off valve and run the motor until it stalls. Put gas treatment in remaining gas in tank.


#11

C

catfish51

Just a thought if the gas looked dark and crappy when you took the carb apart and you had no trouble with the pressure washer when you used it do you think possibly your neighbor put some crapy gas in it and didn't want to say anything It might be a good idea to check out the gas in the tank Just a thought on my part


#12

J

jviews12

I agree float valve, and NOT his fault.

For winter use, I like the antifreeze if you want, I just run it dry, gas tank EMPTYYYYYY, NOT stabilized. I DO NOT believe in sterilizer over winter except for emergency generator.

run carb dry, tank dry, pump dry. Have a merry christmas.


#13

M

MParr

Lesson for today: Never loan your stuff out to friends or family. I learned that the hard way.


#14

oldlawnguy

oldlawnguy

Good points fellas. Correlation does not necessarily equal causation...

My neighbor is an old geek engineer like myself who is handy. I think in my case it was a stuck valve that I verified when I removed the bowl. The dark mixture was probably residue just sitting at the bottom of bowl.

Yeah you do need to be careful lending equipment to those who don't RTFM, especially pressure washers and letting the pump spin too long without moving water.

The stuck valve forced me to pull out my Honda GCV190, which was sitting in shed for 6 years. I burned out the pump cuz I left the engine running too long without moving water. Replaced the pump, but bought the Subaru and have been using that.

On the Honda I did a quick smoke test (checked it had spark) used a primer bulb gizmo ( made this and use all the time) to squirt some good gas into cylinder and see it would fire. It did, so then I drained gas tank/carb (fuel was bad) added fresh fuel, primed cylinder again and gave another smoke test. Took 4 pulls and it fired right up!!! This time I was lucky. Used for about 20 minutes then shut off and changed the oil.

Used again to finish up what I needed to get done. Now I have 2 pressure washers working again and would gladly let next door neighbor use cuz he knows what he's doin and he got me to move on the unit sitting in shed for 6 years. It was on the list, but was always pushed down on the list for 6 years. :ROFLMAO:

I'd be careful lending pressure washers to those not handy, burning out the pump is pretty easy. Lesson I learned the hard way.


#15

oldlawnguy

oldlawnguy

Just a thought if the gas looked dark and crappy when you took the carb apart and you had no trouble with the pressure washer when you used it do you think possibly your neighbor put some crapy gas in it and didn't want to say anything It might be a good idea to check out the gas in the tank Just a thought on my part
Possibly, however in my case I don't think so (see my longer reply below)


#16

J

jviews12

Thanks for the update, but AGAIN
I NEVER LEAVE OLD GAS IN TANK OR CARB. I DRAIN AND RUN DRY. NEVER HAD A STALE GAS ISSUE DOING IT THIS WAY.
(ALSO MY CHAINSAWS. I RUN THEM, DRAIN GAS, RUN DRY ALWAYS), AND THEY ARE GOOD FOR 5-8 YEARS UNTIL NEED NEW REBUIld. My 2 cents again.


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