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Old 11-17-2011, 11:35 AM   #1
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Generator Won't Start

I have a Onan 6.5KW LPG gas generator that won't keep running. It is used regularly and it was fully serviced 8 months ago. It started and ran for about 3 seconds then stumbled and died. It will turn over and fire for a second.

It acts like fuel starvation but the tank is half full and other LPG appliances function normally.

Suggestions?

Jim
1999 Holiday Rambler Endeavor
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Old 11-17-2011, 01:08 PM   #2
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I'd say definite propane starvation. Look for restrictions/blockages in the propane line. ROOK
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Old 11-17-2011, 01:48 PM   #3
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I agree, check your fuel filter first. Then check the air filter next.
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Old 11-17-2011, 04:34 PM   #4
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The regulator has a vent hose attached to it. This was a common problem in Ga. Dirt daubers would build a nest in the vent hose. This causes the regulator to close and starve for gas. I would start by checking the hose and make sure it is clear.
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Old 11-17-2011, 04:38 PM   #5
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I believe there is a switch for winter and summer operation on the carburetor/choke have you check it?
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Old 11-18-2011, 01:31 PM   #6
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Smile

My previous MH had an LP generator with this problem. I found that there is a shutoff solenoid in the LP supply line to the generator. It had a 12V wire to activate it but was grounded through the solenoud mounting bolt which was loose. After correcting the ground problem all was fine.

Have a nice day - Darrel
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Old 11-18-2011, 11:16 PM   #7
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Check the carburator, yes I know it's propane but it the propane is liquid. I've seen this before, the screen in the carburator gets clogged and acts just the way you described. Clean the mess screen, make sure the gas line is clear and fire it up. OK maybe fire was not the correct word.
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Old 11-21-2011, 06:23 PM   #8
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I have the same generator and HAD the same problem. I put a new LPG FILTER in and it has been flawless. Life is good again.
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