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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 28115
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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Low oil light shutting down the GX 630. Not coil, or fuse,

Customer Question

low oil light shutting down the GX 630. Not coil, or fuse , not low oil, etc
JA: Thanks. Can you give me any more details about your issue?
Customer: has plenty of oil, and changed, spark plug good, new gas, clean carburator, fuel cylenoid bench tested. even with all that, low oil light still on. Need to reset computer?
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Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.

What is full engine model number? It will have no computer to reset. The oil level sensor may be bad, or the wires to it shorted, remove the wire and see if the light goes out. If not ,ground the wire to see if light goes out. With light out, see if engine runs. Likely the oil level sensor or wire is the problem.

Customer: replied 1 year ago.
One good spark plug and one fouled out, what next?
Customer: replied 1 year ago.
full engine model # ***** GCBEK-1031782 QZB2 as stated previously, a Honda GX 630
Expert:  Curtis B. replied 1 year ago.

Do you have spark to the fouled plug?

Customer: replied 1 year ago.
put two new plugs. one fouled out right away, turned black and yes, there is spark to the fouled out plug
Customer: replied 1 year ago.
he checked wires earlier and they checked out good
Expert:  Curtis B. replied 1 year ago.

With spark plug fouling, check the valves in that cylinder for clearance, If valves are ok, you may have a cylinder that has bad rings or piston.

Customer: replied 1 year ago.
think it could be a weak coil on the fouled side?
Expert:  Curtis B. replied 1 year ago.

does the spark seem to be strong?

Expert:  Curtis B. replied 1 year ago.

You can get a hotter spark plug, which may help the length of time between the plug fouling.

Customer: replied 1 year ago.
sorry, he says that he already got the hottest plugs
Expert:  Curtis B. replied 1 year ago.

They do make what is called anti-oil foulers, which raises the spark plug up, I have used them on auto engines, but never on a small engine. Auto supplys would have them.