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Toro 2 stroke snowblower revving up high

Once started, the engine was running wide open, I was concered it would damage itself. What are the causes, what to check?

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 37 Answers

SOURCE: toro 421 snowblower won't start

check to see if in line fuel shut off valve is open.If so,sounds like carb is gummed up.

Posted on Jan 28, 2009

  • 1 Answer

SOURCE: i have a toro ccr 3650 snowblower the electric start just grinds

This problem has been solved! I took the covers off the machine, removed the starter and eventually replaced the drive. Apparently the drive parts were put on back ordered and took about 4 weeks to get the drive set. One thing I suggest if anyone does this is to look at the fly wheel to insure it's in good working order. The dealer I worked with said often that is chewed up (the teeth on the fly wheel) and leads to a bigger headache. Fortunately mine was just fine. The machine now works likes like new as I put in a new spark plug as well!

Posted on Mar 24, 2009

  • 43 Answers

SOURCE: toro 2 stroke lawn mower won't start

Remove the Carb Bowl and on the bottom of the bowl clean the center of crust gas....

It blocks the gas from getting from the bowl to the inside of the carb.

Caused when gas dry's up in the bowl leaving deposits behind plugging up the works.


Posted on Apr 26, 2009

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SOURCE: Toro 20016 engine surges up and down - then stalls

You have carburetor problems. Chances are the diaphragm needs to be changed and the carb. needs a good cleaning. If you need tips on carb. cleaning, let me know.


Posted on May 29, 2009

  • 1 Answer

SOURCE: toro 521 snowblower..nn replace gas line to carb,

Or, you can try the easy approach. Take a 1/4" bolt about 2" long and cutoff the head. Force the bolt into the old fuel line on the fuel tank side (after removing fuel tank), push other end into new fuel line, tape the lines together well with electrical tape. Gently pull from one side and push from the other until new section of line comes through. Just did this and it too all of 5 minutes.

Posted on Dec 31, 2009

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1 Answer

Engine revving High and low, not constant

This is usually caused by a clogged main jet in your carb...which is epidemic with the gasoline today containing ethanol. You'll need to clean/rebuild or replace it. You can get replacement carburators online for ~ $25 sometimes so it's not even worth tearing them open anymore. One tip - take pictures with your phone as you disassemble the linkage so you put everything back in the same holes.

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2004 holden rodeo 3L ITD. dt P1120. Saying tps fault. Used scan tool to inspect data list an ECU is recieving signal perfect. Goes from 16% to 100%. Double checked TPS output from TPS plug and goes from...

Is the throttle plate closed all the way? The 4v wide open is a little low and the .6 closed maybe a little high. The wide open should be 4.5 -5 v. Are you reading 5v at the tps plug with the plug unplugged from the tps? Pretty much , what is going in should be close to what wide open should be.

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Idle adjustment

I do not think this will cause any damage. If it starts and runs fine I think you did a good thing.

Nov 06, 2013 | Toro Lawn Mower With Toro Power Tools

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What is the high altitude adjustment required by the manual?

the high speed adjustment needs to be richened up to compensate for the lean air mixture at high altitude. it can run but will run fast and may damage the unit because it is lean. the high speed adjustment is the one marked H or the screw farthest from the engine. turn it counter clockwise while running at full speed until it runs at the correct RPM. any small engine repair center should be able to do this for you and keep you from causing irreparable damage

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Toro gas powered trimmer, cannot get it to start. Any suggestions? For awhile it would start but overheat and cut off so I changed the sparkplug and put oil in, now it will not start at all.

Are we talking 2 stroke? If we are you might of had your last overheat of this piece of equipment, this was more than likely a 2 stroke (2cycle) and you have to mix oil and gas together for it to run right and not damage the engine..Sorry for your loss

May 01, 2011 | Garden

1 Answer

I have a toro snowblower with a 2 cycle engine. When it's just running under no load it seems fine(maybe a little too high of rpm). When it starts throwing snow it gradually slows down until it quits...

It sounds like it is running lean. Back out your carbuerator adjustment screws a quarter turn counterclockwise. These settings should be 1 and a quarter on low speed (closest to engine block) and 1 and a half on high speed (farthest from engine block). These are starting points the adjustment may vary a little eigther way. Never adjust for max rpms that is too lean and will cause engine failure. Hope this helps ya.

Dec 22, 2010 | Toro Garden

1 Answer

Which oil should be used for mastercraft 60-3975-8 snowblower

A good rule of thumb is: In 2 stroke engines, use synthetic or synthetic-blend 2 stroke oil
In 4 strokes, if it is cold, using regular SAE oil...SAE 30 only...if using synthetic oil (highly recommended), then you can get away with using a multi-viscosity oil like 10-30. Synthetic 30 weight is OK too. Just in cold temps, standard multi-viscosity oil does not perform well and manufacturers like Briggs caution against using it, stating engine damage can result.

Dec 11, 2010 | Garden

1 Answer

I have a toro ccr 2450 snowblower. i bought it

No if your belt is shredding there is something rubbing on the belt. Check the idler/tightner pulley see if it spins freely. Check make sure nothing but the pulleys are touching the belt when it is engaged.

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1 Answer

I have a toro snowblower that quit running last year. The screw which held the choke plate in place is missing and I can't find it. Is it possible the screw is in side the motor? I removed the carburater...

I have seen them go through the engine into the muffler. Did you check the valves if it damaged them. I would check for spark first if that is good put a tea spoon full of gas in the spark plug hole and try to start. If it fires you need to clean the carb. If not i would do a compression test that will tell you if the screw damaged anything.

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