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Old 10-03-2014, 01:09 AM
scag2015 scag2015 is offline
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Pressure washer super high idle and performs correctly when under load?

hey guys need you help again. I've got a troy bilt briggs and Stratton pressure washer. It was not getting fuel so I cleaned/rebuild the carb and everything started! I ran it for about ten minutes (I can't remember if I let go of the throttle of not) but all the sudden the engine goes brrrrrrrrrrrrrBBBBRRRRRRRR super high idle/surge but when it's under load it preform normally. Really would love youlls help! Ps. Model number for engine 111P02-0113-F1
Thanks in advance!
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Old 10-03-2014, 09:02 AM
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dutch1 dutch1 is online now
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Assuming you had the carb off, is there a chance you didn't get the governor link to the carb hooked back up----check the governor spring as well.
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Old 10-03-2014, 09:29 AM
scag2015 scag2015 is offline
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Originally Posted by dutch1 View Post
Assuming you had the carb off, is there a chance you didn't get the governor link to the carb hooked back up----check the governor spring as well.
Yes I did link everything up correctly I think. I'll post a couple pic in a while, and the own diagrams are practatly useless to try to find where there supposed to be linked to but I found a pic from Google and it looks like everything is in order.
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Old 10-03-2014, 06:13 PM
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Old 10-04-2014, 04:32 PM
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weeze weeze is offline
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yeah that's not right. it's supposed to surge up and down when not spraying water and then when you are spraying it runs at an even rpm nice and steady.
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Old 10-04-2014, 04:36 PM
scag2015 scag2015 is offline
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Originally Posted by weeze View Post
yeah that's not right. it's supposed to surge up and down when not spraying water and then when you are spraying it runs at an even rpm nice and steady.
??? Not sure what you meant is "is" supposed to or you meant "not" ? Thanks!
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Old 10-04-2014, 06:34 PM
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Restrorob Restrorob is offline
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Originally Posted by weeze View Post
it's supposed to surge up and down when not spraying water and then when you are spraying it runs at an even rpm nice and steady.

If the carb is right and the engine is running correctly, None will surge at any time under load or with no load.....

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Originally Posted by scag2015 View Post
super high idle/surge but when it's under load it preform normally.

You need to check the governor adjustment;





If that doesn't help then start the engine with no water hooked to the pump and see if it over revs, If so there's a good chance the governor gear came apart inside.

NO, Run'n a pressure washer pump without water for just a few seconds for testing will NOT harm a thing......
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Old 10-04-2014, 06:48 PM
scag2015 scag2015 is offline
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Ok, awesome! I'll look into that just may take a little bit to figure this is such and such thanks! I will try it!
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Old 10-04-2014, 08:51 PM
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weeze weeze is offline
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Originally Posted by Restrorob View Post
If the carb is right and the engine is running correctly, None will surge at any time under load or with no load
mine has done it since i first bought it. it is a troy built with a honda engine from lowe's. i've been using it for 10 years now.

it doesn't surge really high rpms but it has an irregular idle when you first start it up before you squeeze the trigger. soon as you squeeze the trigger the idle evens out. anytime you let go of the trigger it goes back to an irregular idle. up down up down. squeeze the trigger again and it evens out and runs smooth.
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Old 10-04-2014, 09:03 PM
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weeze weeze is offline
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watch this video:

https://www.youtube.com/watch?v=_xfws67kmJE

that's what it does when idling until you squeeze the trigger with a tip on it making it have pressure.

his idle doesn't smooth out in the video because he has the soap tip on it which doesn't create much back pressure on the engine.
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Last edited by weeze; 10-04-2014 at 09:09 PM.
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