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Wayne
Wayne, Engine Rebuilder
Category: Small Engine
Satisfied Customers: 9346
Experience:  many years on egine rebuilding, lawn mower,roto tiller,Truck,and small engines
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Onan generator will not start it has an off on switcch which

Customer Question

onan generator will not start it has an off on switcch which way shoould it be withe on showing or the off showing.
JA: Do you have fuel in the tank? If so, is the shut-off valve open and the fuel clean?
Customer: filled the rv and have ran it down too a half the generator is blowing white smoke when it tries too start valve is open
JA: Do you plan on doing the work yourself?
Customer: I am.
JA: Anything else we should know to help you best?
Customer: yes which way should the off/on switch be with on showing or off on the switch
Submitted: 7 months ago.
Category: Small Engine
Expert:  Wayne replied 7 months ago.

Hi

I 'm Wayne

I will try to help you with this

the switch will show ON

Customer: replied 7 months ago.
Ok but it trays too crank but it just blows white smoke.
Expert:  Wayne replied 7 months ago.

Hi

Is this gas or diesel

Customer: replied 7 months ago.
gas. the rv gas tank is at a little less a half tank.
Customer: replied 7 months ago.
Cancel call.
Customer: replied 7 months ago.
I have checked fuel line too tank there is no cut off valve.
Customer: replied 7 months ago.
fuel is pumping out too generator
Customer: replied 7 months ago.
I am going too try by changing plugs and wires.
Customer: replied 7 months ago.
changing the plugs and wires made no difference.
Expert:  Wayne replied 7 months ago.

Hi

White smoke from gas engine is a sign of over fuel

and no spark, check if you have spark at the plug

Customer: replied 7 months ago.
ok what would be the cause of no spark I will adjust the fuel on the lean and rich which way shoulld I go lean or rich. Hey this is my first RV and generators are strange too me.
Expert:  Wayne replied 7 months ago.

Hi

Adjusting the fuel is not the issue

you need to check if you have spark at the plug

Customer: replied 7 months ago.
is it possible the wires are connected too the wrong plugs.
Expert:  Wayne replied 7 months ago.

HI

Please check if you have spark at the plug...............

Customer: replied 7 months ago.
ok it will take me about a half an hour
Expert:  Wayne replied 7 months ago.

That is fine,

I have to got out for 2-3 hrs

so just leave a message here

Wayne

Customer: replied 7 months ago.
what is the spark plug gap for the onan emarald plus.
Expert:  Wayne replied 7 months ago.

Hi

Plug gap is .028 to .030

do you have Spark ??