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Echo Leaf Blower PB-403T Won't Start

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izzrock New Member Total Posts : 1 Scores: 0 Reward points: 0 Joined: 2022/12/23 10:03:34 Status: offline 2022/12/23 10:41:55 (permalink) 0 Echo Leaf Blower PB-403T Won't Start I have a PB-403T blower that was running fine and would not start after running out of gas. I cleaned the carb out and it started up and then after a little while it shut off again. I tried cleaning it again but have not been able to restart it. Being that I have not done anything to this blower since purchasing it new, I replaced the air filter, fuel filter and spark plug and then decided to replace the carburetor instead of rebuilding it. I installed the new carb and still can't start it up. I squirted fuel into the chamber and gave it a pull and it started right up which tells me that I have spark and it does run when it has fuel. I checked the fuel delivery into the carb and it seems fine (pump bulb and it returns fuel into tank). Fuel is a fresh blend and is not old at all. Could I just have a bad carb that I was shipped or am I overlooking something? Any help appreciated. Quote #1 1 Reply Related Threads
SRTsFZ6 Super Member Total Posts : 2082 Scores: 74 Reward points: 0 Joined: 2018/11/18 07:20:58 Status: offline Re: Echo Leaf Blower PB-403T Won't Start 2022/12/23 19:08:16 (permalink) 0 Sounds as if the engine is NOT pulling in fuel thru the crankcase (piston/port design) and then to the combustion chamber. Try putting a couple teaspoons of 2 stroke oil down the spark plug hole and try starting. This helps raise the compression in the engine and potentially help suck fuel into the engine... Also, clean the spark arrester screen for any carbon. This clogged up will cause running issues... post edited by SRTsFZ6 - 2022/12/23 19:14:34 Quote #2

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izzrock

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Total Posts : 1
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Joined: 2022/12/23 10:03:34
Status: offline

2022/12/23 10:41:55 (permalink)

Echo Leaf Blower PB-403T Won't Start

I have a PB-403T blower that was running fine and would not start after running out of gas. I cleaned the carb out and it started up and then after a little while it shut off again. I tried cleaning it again but have not been able to restart it. Being that I have not done anything to this blower since purchasing it new, I replaced the air filter, fuel filter and spark plug and then decided to replace the carburetor instead of rebuilding it. I installed the new carb and still can't start it up. I squirted fuel into the chamber and gave it a pull and it started right up which tells me that I have spark and it does run when it has fuel. I checked the fuel delivery into the carb and it seems fine (pump bulb and it returns fuel into tank). Fuel is a fresh blend and is not old at all. Could I just have a bad carb that I was shipped or am I overlooking something? Any help appreciated.

Quote #1

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SRTsFZ6

Super Member

Total Posts : 2082
Scores: 74
Reward points: 0
Joined: 2018/11/18 07:20:58
Status: offline

Re: Echo Leaf Blower PB-403T Won't Start 2022/12/23 19:08:16 (permalink)

Sounds as if the engine is NOT pulling in fuel thru the crankcase (piston/port design) and then to the combustion chamber.

Try putting a couple teaspoons of 2 stroke oil down the spark plug hole and try starting. This helps raise the compression in the engine and potentially help suck fuel into the engine...

Also, clean the spark arrester screen for any carbon. This clogged up will cause running issues...

post edited by SRTsFZ6 - 2022/12/23 19:14:34

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