Tuesday, October 25, 2011

I have a Troy-Bilt TB426 Push Lawn Mower and it won't start. I changed the spark plug but it still won't start

It licked some oil but it won't start, HELP.
I have a Troy-Bilt TB426 Push Lawn Mower and it won't start. I changed the spark plug but it still won't start
google: lawn mower trouble shooting
I have a Troy-Bilt TB426 Push Lawn Mower and it won't start. I changed the spark plug but it still won't start
You need to check to see if it has spark. Remove the spark plug attach the wire and ground the plug on the engine, have someone crank it. It should have spark, if not it could be the ignition coil. If it has spark, it is most likely that the carburetor needs to be cleaned. You could also put a teaspoon of gas into the sparkplug hole, replace the plug and wire and try to start it. If it tries to start but won't stay running it is a fuel problem. Either not getting fuel to the carb or the carb is dirty.
If you hit something while mowing you have bent the shear pin. Untill this is replaced...it won't start.

What does a Resistor do in a spark plug ? And why wont my bike start ?

Ive changed my old spark plug %26quot;BR7HS%26quot; with a %26quot;B7HS%26quot; And now the bike wont start.

Ive been told the %26quot;R%26quot; stands for Resistor. What does this do and why is it effecting my bike ?
What does a Resistor do in a spark plug ? And why wont my bike start ?
The resistor in a spark plug cancels out RFI (Radio Frequency Interence). RFI can disrupt electronic igniton system and fuel injection computer signals. RFI also interefres with the radio reception, when car manufactuers first switched from points-type igniton systems to electronic, if you did not run resistor type plugs, you would get a loud buzzing sound from the car radio.

Resistor type plug wires are used for the same reason.



If your bike calls for resistor plugs and wires...and almost every car, truck and bike made since the late 70's do.....USE THEM....there is a reason for this
What does a Resistor do in a spark plug ? And why wont my bike start ?
just cuts down on the interference from your spark plugs to the radio.



Something else is wrong.

Crossed plug wires, perhaps ?



Kill switch engaged ??

Fuel on ?
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  • I have a 2000 Plymoth Neon and I was wondering how hard was it to change the spark plug and wires?

    I'm trying to do this for the first time. I'm not sure how to go about it so if anybody can give me some ideas on whether this is better to take to a mechanic or is it actually possible for me to do on my own would be appreciated. Thanks alot. :)
    I have a 2000 Plymoth Neon and I was wondering how hard was it to change the spark plug and wires?
    Very easy to do yourself and even though it is cheap, you can still save about $50. First off go to an autoparts store and buy 4 spark plugs and the wires. Tell them what kind of car you have and they will get you what you need. If you don't have a tool set you will also need to buy a ratchet, 6%26quot; extension, and spark plug socket. You should really get an extension that will lock to the socket so that you dont get the socket stuck down the spark plug well. They will also be able to tell you what size spark plug socket you need. A spark plug socket looks just like a regular deep socket, but it has rubber inside to cusion the pocelin and help to keep you from breaking it. You will also need a spark plug gapper tool.

    Now open your hood. Remove the first spark plug wire from the spark plug. It may be stuck on so be careful. Since you are replacing the wires as well it doesn't really matter, but usually you want to make sure that you pull from the rubber boot that fits over the plug and not the wire. If you pull from the wire you can pull the wire out of the boot and ruin the wire. Now put the socket and extension into the well and turn it until you feel the socket fit over the plug. Attach the ratchet and turn counter clockwise until you feel no more resistance and the plug can pull out. If the plug keeps falling out of the socket you can stick the boot back in the well and pull the plug out with that.

    Next you will want to take out a new plug and gap it according to the specifications for your car. If you look on the underside of your hood you should find several stickers. One will tell you the proper spark plug gap. The gap refers to the space between the electrode of the plug and the metal above it. Most new plugs come pre-gapped, but I still like to double check. Now just put the plug back in the hole and tighten it up. Start tightening it without the ratchet to make sure that you don't cross thread it. It should go in very easy with no force for a few turns. When you are removing the plug and putting it back in make sure that the extension is perpendicular to the engine head. If you move it around from side to side you can break the spark plug because the body is made of porcelin (very fragile).

    When the plug is back in follow the spark plug wire to the distributor and unplug it at that end. Now take out your new wires and find the one that is the same length and plug it into the distributor and the spark plug. Repeat for the other 3 cylinders.

    Good luck with your project and thanks for not being lazy. OHC 4-cylinder engines are very easy to change plugs and wires because all the plugs are right on top of the engine and it is easy to get to them all.
    I have a 2000 Plymoth Neon and I was wondering how hard was it to change the spark plug and wires?
    you can totally do it yourself, but it's a cheap operation, I'd go with a pro
    It's easy to do with mechanical knowledge. Without, I would let a shop do it.
    I would check on Auto Tips . com possibly you can post your question. I myself see no problem in doing this---just be sure to do a plug/wire at a time--and do not forget to set the gap! Hope this helps you!

    How to change the spark plug in a 2005 Yamaha Zuma scooter?

    There should be a tool in your under seat storage that has a spark plug tool.



    Underneath the scooter, close the the front of the transmission or directly underneath the passenger foot stands, there should be a ignition wire (it will be a soft rubber wire) connected to the spark plug. Go ahead a pull it off, it comes right off. Then use the tool like a socket to unscrew the spark plug (the screwdriver in the tool kit is used for leverage for you to twist the spark plug tool).



    Replace the old plug with the new one, but do not force it in, as the teeth on the plug may strip. Take your time to get it lined up, at this point just using your hand as opposed to the tool might be easier. Once you start screwing it back in, use the tool to tighten it, just tight enough that you can do it with little effort. Just slip the ignition wire back on and you are ready to go.
    How to change the spark plug in a 2005 Yamaha Zuma scooter?
    http://answers.yahoo.com/question/index;鈥?/a>

    My brother changed the spark plug and the old one has oil on the thread, is their a problem in the engine?

    He think some thing crack or broke in the engine.
    My brother changed the spark plug and the old one has oil on the thread, is their a problem in the engine?
    Depends where the oil came from. If it is not using oil, the chances are it came from the top of the engine, perhaps at a top up or oil change - a little could have been spilled. It could perhaps be leaking from a gasket on the top end, which is usually easy and cheap to fix. Worst case is that it is coming from the engine bores, which could be anything from engine wear to a pressure relief valve blocked.

    I would check for any obvious signs of oil on the top end that should not be there and also monitor the oil consumption - it should use less than a pint every 1,000 miles. Most modern engines use virtually none.
    My brother changed the spark plug and the old one has oil on the thread, is their a problem in the engine?
    It's probably just seepage at the valve cover gasket.
    No, if it's just on the threads, it means the valve cover gasket is leaking a little and so oil collects in the plug area. However if the firing tip of the plug is fouled with oil that means something else.
    Hard to tell for sure without seeing it, but most likely is that the valve cover gasket is leaking a bit and oil simply accumulated in there and covered the threads when the spark plug was removed. Way to tell... remove the spark plug, and put your finger into the cylinder. Oil in there? Does the car run poorly? If there is a bunch of oil in there, either you have a broken or worn cylinder ring, or even more likely worn valve guides. A compression test will reveal the problem.
    I'd say look for a leaking valve cover gasket that would run oil down around the spark plug base.
    Probably valve cover leaks or you miss the fill hole and oil runs down the block on to the spark plug. If the valve or rings were bad the plug would be fouled out and you would have a miss or low pressure on that cylinder As you didn't say the plug was fouled out or lose of power check the valve cover for leaks.
    Since you did not bother to list the vehicle that you are working on I am going to take a guess and say that you have a car that has spark plugs that go down through the valve cover and have a long spark plug boot to reach the plug. This type motor has spark plug tube seals that go bad and let oil get down to the plugs and the oil slowly works its way down the plug toward the cylinders. This is not too bad to change and can normally be purchased from a parts store for around $20.00 to $30.00 and is called a complete valve cover gasket set. Change that and you should be fine. Hope I have been helpful.
    the only thing wrong there is that you need new valve pan gaskets. as long as the oil is,nt on the firing tips on the plugs then there no internal damage.

    Changing spark plugs?

    I have a 2001 Nissan Maxima, and i'm about to change the spark plugs. I have a Haynes manual, and it's telling me that I need to remove the cover on top that says V6 3000, and then to remove the intake manifold collector. My question is what is the intake manifold collector? Do I need to do anything special like disconnect anything that could hurt me, i.e. battery? Apparently the older cars were easier to do tune ups on. After the intake manifold collector, I think I have the spark plug job under control, just seemed kinda interesting to read about the IMC. Anyways, thanks for any help!
    Changing spark plugs?
    because th intake manifold collector overlaps the plugs them selves, that is why you have to remove that part. the only caution that i will give you is be very careful to mark where every thing went. you could be removing allot of wires. remember where all of the bolts went. disable the starter just to make sure, and use caution around the fuel system. it is not that difficult of an idea to do though. i did one years ago on gm 3.4 that was very similar in design really. just go step by step, you will do fine.
    Changing spark plugs?
    remove the negitave side of the battery cable the imc is the part between the intake and the air filter the reason it needs removed is the height between the plugs and the imc it just makes it easyer to access the plugs i always take a air hose and blow off the top of the engine before i start a tune up that way any loose junk wont fall in the cylinder good luck ooh if you have a cell phone with camera take a picture of engine before starting that might help when going back with things
    Why? Is the IMC in the way?? According to this page, removal of the IMC is not required to access the spark plugs.



    http://www.autozone.com/addVehicleId,263鈥?/a>
    the collector is what separates all the intake air usually after the throttle body. Look at this pic and see the metal gray piece in the middle of the engine that looks like 6 hoses melted together thats it. http://www.turbo-kits.com/images/maxima_鈥?/a>

    What is the recommended spark plug for BMW ??

    1.. I have 320i BMW YEAR 1996 ( 6 CILINDER ) andI need to know the best recommended spark plug for it.

    2. For how long we should change the spark plug, ,,,,,,,,,,,,,,,,,,,, (( I am changing it after 10000 km , is it OK ? )).

    3. I need to know a web site for recommended parts for my old car .
    What is the recommended spark plug for BMW ??
    Bosch WR8DC.

    10000 Km is a bit early, should last 100-150K.

    There are tons. Try http://www.bavauto.com for one. I just stumbled on it.
    What is the recommended spark plug for BMW ??
    bolsh is the best for bmw, volkswagon, and porche
    Platinum-tipped Bosch plugs have always been my favorite. As for how often to change them, they can easily go up to 80,000 miles or even more, but I would check, clean and regap them every 15,000 miles.
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