Question about Mi T M WP-2700-4MHB Pressure Washer

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I have 5000mtm pressure washer ,starter wll not turn over and there is spark to to starter,what do yo think

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1 Answer

Take out spark plug
Put cap on spark plug
Hold spark plug by spark wire
Put spark plug threads against edge of hole where spark plug came out. Metal to metal.
Pull start cord.
Look for spark between metal
No spark, then you need new spark coil from small engine repair shop

Posted on Oct 16, 2010

  • sjava82552 Oct 18, 2010

    the machine i have has no pull cord,only electric start

  • Anonymous Oct 18, 2010

    Here is the long answer with everything we learned while using a power washer twice a day for years::

    It sounds like could be one of the problems listed below or a combination of those things.

    1) The exhaust is partially blocked. Check the screen covering exhaust port for carbon and dirt build-up. High-speed exhaust air must pass freely. We finally broke the exhaust screen out with a screwdriver to get our machine going one day.

    2) Gas is not flowing freely to carburetor > under gas tank, find the rubber hose connected to carburetor. Pull off rubber hose and make sure gas flows freely. You can use this hose to drain gas tank of old gas ... and then put in fresh gas.

    3) Carburetor is partially gummed up and engine cuts off when gas flow slows down. Buy some gum out, and then don't store power washer with gasoline in the tank. Or put additive in gas when storing machine.

    4) The choke is letting in too much gas or not enough gas. Try different adjustments. The choke-lever on our power washer got so bad that we could not set throttle at full open or the machine would die. We still use the machine at 2/3 throttle, and then start it each time using WD-40 as described below.

    5) Dirty air filter that won't let engine breath enough air to keep up with combustion. Take off air filter and see if problem persists.

    6) The spark coil is going bad?? Change spark plug to see if problem persists. Is spark plug wire pushed all the way onto the spark plug?

    Now the nitty gritty of starting that bad boy and making you happy again!!!!

    7) Take off air filter. Spray WD-40 directly into carburetor. Yes, we use WD-40 every time to start my power washer, and we use the washer twice a week. Spray in the WD-40, Pull the engine cord. The engine will fire on WD-40. Guaranteed.

    Once it starts, keep spraying WD-40 directly into carburetor to keep engine going.

    If engine will not fire and keep going on WD-40, then your spark is suspect.
    If your engine fires and runs on WD-40 but dies without it, then your gas supply or carburetor are suspect

    8) Carburetor problem >>> try Gum out >>> and then take machine to small engine repair shop

    9) Spark ... take out spark plug. Put spark wire back on. Hold spark plug by spark wire. Touch metal threads of spark plug to metal opening where plug came out. Metal to metal. Pull back start cord and look for spark between the metal. If you have no spark, then spark coil is bad >>> take machine to small engine repair shop

    Let us know how it comes out!!

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Did you remember to prime unit and set the choke on startup?
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Unable to pull starter cord nu more then 4 inches I have removed the spark plug and released the pressure still the same what more can I do??


Dear Sir,
I understand that the engine seem jammed. Removing the spark plug was a good idea. This indicates that the engine cannot turn.
The only reason I think this happens, because the pump is jammed.
If with some method you separate the engine from the pump, you will for sure find out if the pump is jammed. Also you can release the pressure from the pump, if you have access to its valves and remove them. So trying to pull the cord with no load from the pump is the next thing you should do, with a few methods I have explained.
Regards,
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Hi. I have a Briggs & Stratton 2800PSI gas pressure washer. I can get it to start, but after about 5 min, then it quits. I have cleaned the carb, change oil, changed plug, new gas, cleaned/checked...


if it wont start, check for spark.how you do that,ok take the spark plug wire out put it close to the sparkplug(use some gloves or something to insulate your self from get electric shot from the spark) find some one who pull the start rope, if you dont see any spark between wire and spark plug, tehre its not spark ,it will never start.you will have to remove the start recoil on the botton is like a damper whitch will have to be remove also ,on botton of it its like a coil whitch with the rotation of the damper when you pull the starter rope provoke the spark and send it to spark plug along with the gas combution get the engine started.that coil some time goes bad and have to be change.if you have electric starter. check the starter also.good luck

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Crank pull cord doesn't pull out on honda pressure washer.. The machine is only 3 months old


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ENGINE WILL NOT START


My power-washer suffers from same problem after sitting idle.

After paying for a new carburetor, I discovered how important it is to drain the gas if washer is going to sit idle.

Another time, we had a problem with the screen covering exhaust outlet. Deposits from the engine + dirt clogged the screen. Although it's not the solution for everybody, we broke the screen open with a screwdriver and the machine ran fine after that.

Small gas engines require 3 things. Compression, spark, and fuel. Take out spark plug. Put finger over spark plug hole and pull cord or push starter. Do you feel suction? If yes, then you have compression.

If machine will not turn over at all, then your motor might have run out of oil. Power washer needs oil in 2 places. It needs oil for the engine just like a lawn mower. Oil plugs are located low on each side of engine. It doesn't hurt to change oil, but do NOT NOT turn small engine upside down or oil will get into carburetor which requires removal and cleaning. I learned that the hard way.

The power washer also needs oil for the pump head. This is the box attached to front of engine. Usually 10W20 non-detergent is a good choice. Oil is usually about half way up inside pump head.

Now hook spark-wire back to spark plug. Hold spark plug in hand. Touch threads of spark plug to metal spark plug opening. Now pull cord or push starter. Do you see sparking in the spark plug gap? If yes, then you have spark. Put new spark plug in anyway. If no, then you need parts from small engine repair service.

Spark plug is in. Take off air filter so you have access to carburetor air intake. Put fresh gas in tank. Use starter spray or WD-40 as a starting accelerant. Set your choke to start engine. Spray starter fluid into carburetor opening and pull cord or push starter. The engine should fire up on the starter fluid. If engine doesn't fire, then try setting choke in different positions. If engine doesn't fire up then carburetor is suspect.

If engine fires but dies, keep spraying starter fluid into carburetor to see if you can keep it going that way ... and then move choke in different positions ... you might need extra hands for that maneuver.

If machine turns on, but dies when filter is put back, then filter might be clogged. Time for a new filter anyway.

Finally check the fuel filter and fuel line below the gas tank. It usually has a hex head bolt. Loosen bolt and see if fuel is able to fall out of tank. Loosen rubber fuel line at both ends and see if fuel is flowing. This will tell you if fuel can get to carburetor.

Usually these measures get the thing going or tell you if professional service is needed.

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Motor seems to be locked up!!!!!!!!


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Just a thought, but I've been there. Best regards, W/D

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