What can I spray down spark plug hole?

Yes, you can spray carb cleaner, short for carburetor cleaner, inside the spark plug hole. This'll help dissolve hardened debris and loose materials in the spark plug wells.
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Can you spray WD-40 in spark plug hole?

Using WD-40 to repel water from spark plugs, distributors, alternators, and batteries is a good way to prevent corrosion and keep moisture away. You can also use it to ease the removal of spark plugs, especially if there is any rust or corrosion.
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What can I use to clean spark plug holes?

Ideally, you should clean around the opening of the hole with canned air and a cloth whenever you change a plug. That should prevent oil or debris from getting in there in the first place. Once the hole itself is dirty, the job becomes trickier.
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Can I spray starter fluid into spark plug hole?

Adding starting fluid to the engine can be done by spraying it into the intake near the air filter or into the bore of the engine's spark plug.
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Can you spray oil in spark plug hole?

Shoot about a tablespoon of engine oil into each spark plug hole after removing all the spark plugs. As soon as you've completed this step, gently rotate the engine by hand a few times to help recoat the cylinder walls with oil and to ensure that the engine turns over and does not have any other problems.
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How to Remove Oil from Spark Plug Holes!!



Can I put Marvel Mystery Oil in my spark plug holes?

Pour a tablespoon of Marvel Ultimate Fuel & Motor Treatment through spark plug hole and into each cylinder. Let sit for 2 minutes. Crank engine for up to 10 seconds. Replace spark plugs.
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What happens if you put oil in the spark plug hole?

Once an O-ring becomes worn out or damaged, oil will leak through and make its way to the spark plug tube. You'll need to fix this problem quickly before the engine is affected too much. And since the oil saturates the spark plugs, you'll need to replace the spark plugs as well.
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Is carburetor cleaner the same as starting fluid?

Can Carb Cleaner Be Used As A Starting Fluid? In simple terms YES it can be used as starting fluid or used on the throttle body. Although there is a specific engine starting spray if the situation arises where you may be desperate a Carby Cleaner can be used.
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Can you spray brake cleaner in spark plug hole?

Brake cleaner can clean many car parts — one of them being spark plugs. Spray the brake cleaner on the plug, including threads. Then wipe it off with a clean cloth to remove any remaining gunk. If need be, you can use the brake cleaner and wire brush collectively to deal with stubborn filth.
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Can I spray my engine with WD-40?

Spray WD-40 multi use product

Use WD-40 and spray the entire greasy engine compartment with it. Remove the grease and grime with water and rinse it off. Depending on how dirty your engine is, you can also use a small brush to remove the grease for the hard-to-reach parts.
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Can you spray WD-40 in piston?

Can You Use Wd-40 On Pistons? If you wish to replace the Piston, this is absolutely not possible with WD40. Use the extra oil that you want to use. It won't take a great deal of effort and no pressure when you use one of the pumps for your engine or rings.
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What can I spray in carb to start engine?

Shoot a substitute fuel (WD-40 or PB Blaster Lawn Mower Tune-Up) into the carburetor throat and then try starting the engine (Photo 1). If it won't start or fire with spray fuel, you probably have an ignition system problem, most likely a bad ignition coil.
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Why are my spark plugs wet with fuel?

A wet spark plug likely means that it hasn't been firing due to engine flooding or a bad ignition cable. Dirt or moisture on the outside of the spark plug that provides a conductive path to ground, or an internal crack in the spark plug's ceramic insulator that shorts the plug to ground also can be the culprit.
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What causes flooded sparkplugs?

A petrol engine floods with fuel when it's switched off too soon after being started from cold. After switching off, the unburned fuel remains in the engine. That wets the spark plugs, which prevents ignition and makes the car difficult to re-start.
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How much Marvel Mystery oil should I put in the cylinder?

ADDED TO FUEL: At every fill-up add 4 ounces of Marvel Mystery Oil to every 10 gallons of gas. An average passenger car tank is 15 gallons, so you would add 6 ounces at every fill-up. Regular use can lead to improved fuel economy.
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Can I use Marvel Mystery Oil in my outboard motor?

Here is how to use it

ADDED TO ENGINE OIL: Use Marvel Mystery Oil in the crankcase to enhance the cleaning properties of the oil. At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil.
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