Question about Homelite ZR10926 16" Chain Saw

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Will not start - new fuel 50-1 mixture, checked filter- ok, spark plug sparks, cylinder has compression, finger test, 45cc, aprx 5 month old.

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Will it start if you pull the plug and spray starting fluid in the chamber? if so then I'll bet you have a blown diaphragm in the carb or a plugged fuel filter or a bad gas line. hope this helps. Jeepfxr

Posted on Oct 08, 2009

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24 month warranty on Homelites. HTH
Lou
Did you remember to mix oil with your fuel?

Posted on Oct 08, 2009

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I Have 1999 Oldsmobile alero Misfire on cylinder 1 can the spark plugs and wire the coil pack on1 and a new fuel filter and it still misfiring should i change the ignition coil module


That won't help. If firing good other cylinders, then the module is good. It could be an injector problem. You need to check the spark on #1. Make sure it is sparking good, then look for air/fuel mixture problem-bad injector or something else in that cylinder affecting the air/fuel mixture so it doesn't fire good. Maybe a valve not sealing- need a compression test to check that.

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Car turns over but won't start. Boyfriend checked the spark plugs , says vetting spark. It says he did a compression check to it. Starter is a year old, battery new, we replaced fuel pump 3 weeks ago...


A thumb is not test for compression as 10lb/sq " will blow your thumb off. Have a proper compression test done. Next although it is sparking the question to ask is it sparking at the right time and to the right cylinder. Pouring fuel into the cylinder is a waste of time as the air/fuel ratio will be too rich to ignite even if the spark was occurring on the compression stroke. So here are some simple steps to follow to get it going
Have a compression test done to determine if there is sufficient compression to ignite the mixture
2 check that the spark is occurring at the cylinder at the right time ( no 1 cylinder on timing mark on compression stroke.)
3 . If it is EFI engine then check that the injectors are actually squirting if carby engine check that the fuel is in the fuel bowl With engines you have to have a combination of 3 things for the engine to work They are compression -which you will be checking for--2 spark timing--- which you will be checking for and lastly 3 fuel into the cylinder at the right time ==which you will be checking for
you only have to be missing one of these and you had best take it to a professional mechanic to get it started.

Jul 13, 2014 | Cars & Trucks

1 Answer

Where is the starter on a 1993 heritage softail


Above the transmission, behind the rear cylinder.

Do a compression test. Check for spark at the plugs BUT best to have new plugs.

on any four stroke engine, you must have three things for the engine to run. You need fuel, spark, and compression. The easy one to check is the fuel. Take your air filter off and make sure you're getting fuel to the engine. Then, check your spark. Pull the spark plug wires off the spark plugs in the head and insert another set of plugs in the wires. Ground the plugs against the engine, turn the ignition switch on and press the start button. Watch the plugs to see if you have spark. The next test is compression. With the engine cold, remove the spark plugs. If you have a compression gauge, connect it to one of the heads and spin the engine over with the starter. If you don't have a gauge, simply put your finger over the spark plug hole. Turn the throttle wide open and press the start button. You should show about a hundred pounds of compression if you have agaugeor the compression should blow your finger off the hole with a good deal of force if you're checking it that way. If you have all three of these and they're timed correctly, the engine should run. If the engine won't run, find out which of the three elements is missing and work from there.

May 06, 2014 | 2009 Harley Davidson FLHX Street Glide

1 Answer

1992 Buick regal running with miss


I would do a compression test to see if all cylinders are good, and no internal mechanical damage has occurred.
If compression is good, check for possible intake manifold leak that especially affects the right bank- the bank with 1, 3, and 5 cylinders.
No way I can think of that spark would be different on the right bank, so it could be wrong air/fuel mixture for that side, or possible loss of compression that is causing the misfires.

Jun 08, 2017 | Cars & Trucks

1 Answer

It's flooding how can i fix it


Basics to check:
1) Spark plug - brown or dark brown - OK
a) is it carbon or fuel fouled
b) is there spark

2) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated
3) Check cylinder compression


Overfuel or 'rich' condition
Basics to check:
1) Spark plug - brown or dark brown - OK
a) is it carbon or fuel fouled
b) is there spark

2) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated
3) Check Air filter for fuel saturation
4) Allow engine to run for 5 minutes remove to excess fuel from muffler
5) Fuel mixture ratio: Make sure the oil mix is per your manufactures recommendations
6) If after the above the engine is still smoking and blubbering:
Adjust carb mixture screws to a 'less rich' setting
*NOTE: only move mixture screws 1/8 of a turn at a time,
and try operation before any more adjustment

Nov 26, 2009 | Husqvarna 155bt Gas Backpack Leaf Blower

1 Answer

Will not start. few months old. maybe bad gas


Basics to check:
1) Spark plug - brown or dark brown - OK
a) is it carbon or fuel fouled
b) is there spark

2) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated
3) Check cylinder compression

Fuel starvation - 'lean fuel' condition
Basic things to check:
1) spark plug
2) spark arrestor in muffler
3) fuel lines and tank filter
4) turn adjustment needles out (counterclockwise) 1/4 to 1/2 turn
Chain Saws:
5) check impulse tube and intake boot for cracks or leaks
*if all of the above are OK and/or do not improve performance then:
Remove Carburetor
6) replace gaskets/diaphragms
a) use a spray carb cleaner to clean jets, holes, and body of carb
b) fuel pump diaphragm goes against the carb body,
then the gasket towards the outside
c) metering gasket goes against the carb body,
and the diaphragm goes towards the outside

Nov 15, 2009 | Homelite Consumer Products Backpack...

1 Answer

My weedeater leaf blower never gets up to its' old speed. Runs about 1/2 the power. Tried a new spark plug and air filter. New gas didn't help.


Basics to check:
1) Spark plug - brown or dark brown - OK
- aluminum or silver - piston/cylinder scored
a) is it carbon or fuel fouled
b) is there spark

2) Compression - 125 to 150 psi

3) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated

Fuel starvation - 'lean fuel' condition
Basic things to check:
1) spark plug
2) spark arrestor in muffler
3) fuel lines and tank filter
4) turn adjustment needles out (counterclockwise) 1/4 to 1/2 turn
*if all of the above are OK and/or do not improve performance then:
Remove Carburetor
5) replace gaskets/diaphragms
b) use a spray carb cleaner to clean jets, holes, and body of carb

Nov 11, 2009 | Poulan/Weed Eater #Wt200 711724 24cc Gas...

1 Answer

Hi, I have a 1986 Chevy Van G20, V8, 5 Liter, 4 barrel carb. I cannot start the van, (all of a sudden it happened). It has a freshly charged battery, new starter, new fuel pump, new fuel filter, and has...


If it is getting spark and fuel check the timing. The timing chain may have jumped.Take out #1 spark plug and tap engine till the compression stroke comes up. To check just hold your finger over the plug hole and the compression will blow it out. Then rock crank by hand and set to top dead center. Take distributer cap off and see if rotor faces #1 cylinder. If you have spark to the plugs and the plugs are good and you have fuel timing or compression is all that is left.

Oct 15, 2009 | 1986 Chevrolet G20

2 Answers

Keeps cutting out


Your manual can be found here:
http://weborder.husqvarna.com/order_static/doc/MIPL/MIPL2008/MIPL2008_545103497.pdf
Fuel/Oil Mixture
  1. Use a quality 2 cycle oil and mix it to the OIL supplier's recommended ratio. Today I use Stihl 2 cycle oil mixed @ 50:1 in a Pioneer that I purchased new in 1980. There are no gouges or scratches on the piston or cylinder and I have no carbon build up on the piston top. The manual (on stone tablets) recommends 24:1. Over the years the mixture has leaned from 24:1 (Saw Recommendation) to 28:1 (Lawn boy mower recommendation) to 32:1 (Oil provider 8oz/2gal - used for many years) and finally the last 5 (±) years 50:1 (Stihl 2.6oz/1gal)
  2. Any fuel containing ethanol is not good with chainsaws. Mix what you expect to use within a few months. Anything over 6 months old use up in a 4 cycle engine. HTH
    Lou

Sep 27, 2009 | Garden

1 Answer

1991 XJ6 cylinders 5/6 not firing


Check for spark at the cylinders you mention. Unplug the wires from the spark plugs, put a spark plug in the end of the wires, and attach the body of the plugs to earth, or an exposed metal part of the engine. With the engine running, you should have spark at the plugs. If no spark, get the ignition system tested. If there is spark present, and you think the fuel is ok, then the compression must be at fault. The things that are required for combustion are: spark, fuel, and compression. Get a compression test done on the engine, but first check for any vacuum leaks in the inlet manifold around the cyl 5 and 6 area.

Oct 26, 2008 | 1991 Jaguar XJ6

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