Slow humming sound after spark plugs changed

Disconnect the battery for 30 min and reconnect. Start the engine, let it idle with all lights off, radio off, etc.

Noise after installing new spark plugs - Honda Pilot Forums

They were all factory gapped at .44. After installing them and starting the car I hear a humming/buzzing noise coming from the air filter box.

Strange noise after spark plug replacement? : r/Cartalk - Reddit

Heard it was probably either exhaust or spark plugs. Decided to pull the spark plugs to check and noticed that they needed to be replaced ...

What is causing a ticking noise after a spark plug change? I ... - Quora

You may have allowed something to drop down into the engine when you had the spark plug removed. You might try removing the plug and starting ...

whining noise after spark plug replacement - Honda Odyssey Forum

I would try reseating the plug wires first. You could be hearing an eletronic distortion through the radio speakers if something odd is ...

Noise after spark plug change - Supra Forums

It has nothing to do with the plugs... its most likely the gasket between your Throttle Body and the Y pipe...... put your hand around there and ...

Odd Engine Noise after Spark Plug Change - MBWorld.org Forums

This could cause the box to vibrate and make noise at clamp when the engine is on idle and engine shake normally is the worst. Should be easy ...

Ask the Auto Doctor: Vehicle Humming: Check its Belts - Newsday

A humming sound would not be due to spark plugs or transmission fluid. And if you do replace the plugs and transmission fluid, then use the ...

HELP Loud Noise After Spark Plug Change - R6 Message Net

pull the plugs and see if they are ok. Worst case they are contacting the pistons, maybe you torqued them down too much or used the wrong ones.

Loud noise after spark plugs - LS1Tech.com

Check to make sure you did not blow a plug out of the head. One of your plugs may not have been in well enough and blown out. Trending Topics.

strange sound after replacing spark plugs - Drive Accord

Accelerating slowly has no issues. I swear the sound didn't exist before I replaced them as it's pretty noticeable. Not quite sure what could be ...

10 car noises and sounds that could mean trouble!

When your spark plugs fail to fire, or fire inconsistently, the combustion in your engine will be inconsistent, resulting in an uneven rumble.

just changed my spark plugs now engine makes a weird noise

Make sure that the ceramic part of the spark plug doesn't move freely in the metal part. I bought some cheap plugs once (denso) and I had this ...

Car sluggish after spark plug change - Mazda3 Forums

Since then the car feels sluggish and sounds funny. The engine gives a low hum (like it's not getting enough gas/air) instead of a nice clean ...

How Do I Know If My Spark Plugs Need Replacing? - Kelley Blue Book

It's best to check the owner's manual. Read on to learn about these essential components of internal combustion engines and when to replace spark plugs. What Do ...

Concerning noise after spark plug replacement - PriusChat

Assuming the noise was misfire, it would fix that alongside being good maintenance. When I went to remove the old spark plugs however, I ...

Whirring sound from engine after changing plug & air filter

Loose spark plug? Tightens up when hot? Tester July 2, 2014, 9:05am ...

changed spark plugs and now a winding/hissing noise...

Hope nothing fell in when you swapped the plugs. You can use a stick or section of hose to pin point the sound. Hold one end to ear and probe ...

Bog Down at Full Throttle After Spark Plug Change - 2CarPros

Make sure the air box and intake tube are fully connected and tight. If either is loose, the humming sound could be what is heard. Also, the ...

CAR SHAKING after SPARK PLUG REPLACEMENT - JustAnswer

Alrite. Check the wires then. Something happened when you changed them. Did you install aftermarket parts, or dealership wires? The motor is ...