Question about McCulloch 16 In 4.5 Hp Electric Chainsaw With Carrying Case MCC4516FK

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Will not start.seems to be flooding.tested for spark.that seems to be ok.don't know if carb is out of ajustment.don't know if I test spark corectly

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Pull the spark plug. Is it wet? If the internal part is oily black, it has probably run with overly rich setting on the carburetor, or maybe it has the wrong spark plug. Did you check the air cleaner? Overly dirty units can cause rich running conditions. If the plug is dry, try squirting a little fuel mix into the plug hole, reinstall plug, and see if it will pop. If it does, look for bad fuel lines (one inside the fuel tank) and replace anything cracked, stiff, or broken. It might be time for a carburetor clean and rebuild. Hope this helps.

Posted on Jul 05, 2009

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Your petrol mix might be to rich.

Posted on Jun 17, 2009

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1 Answer

Why would my Suzuki Swift stall @ stop sign & not start again after replacing thermostat?


overheated it? 98 swift, (which of 7 engines is it)
how can temp run perfect on a no start engine?
ok you meant before the stall. got it.
seems to me it cranks robustly , right.
so spark is next, got spark to all cylinders>.?
(we are USA and all USA cars this year scan with any scan tool made) so scan it.
scan before cranking then crank and scan. for 5 seconds cranking
the scan tool will tell you why it is not making spark or fuel.

if you have spark test fuel testing works, if that works , that means.
you have fueling loss or flooding, did you check for flooding
or crank wide open throttle to clear flood >?

test fuel will run any good engine for 3 seconds. per test.
100 years we do that.
test fuen in can, or put gas in spray bottle.

seems wire was disconnected at the service of thermostat
so look for loose wires. and connectors at engine

watch scotty
https://www.youtube.com/watch?v=064Ilsz8Fzg&NR=1&feature=fvwp


Jun 17, 2014 | 1998 Suzuki Swift

1 Answer

Plug wet with fuel


You need to pressure test the carb, if the needle is leaking in the seat it will just flood all the time, if you do not have a small pulb pressure tester you may need to get the local dealer to do it, or just fit a new rubber tipped needle and hope this will cure it, if there is two hoses to the carb make sure you have connected the pipes in the right orientation, the suction side of the primer should pull fuel from the carb, and dump back to the tank, it does not push fuel into the carb, this will make it flood.

Mar 15, 2014 | Garden

1 Answer

2003 Suzuki Grand Vitara won't start engine


what engine, state engine size and country.
there can only be 3 ways, to fail.
bad engine (low compresssion, us the $20 tool at WOT and see over 170psi.
Bad spark
bad fueling.
just because spark coils (COPS?) work on other car , dont mean much.
what counts is your car , its a system.
the cops, have fast 5mS pulse when firing, you using a scope to see that?
Im so curious, why not to the time old test, use a real spark plug
attached to the COP end, spark plug shell grounded to engine metal
and crank, is spark good x4? or x6 if V6 (engine NOT STATED)
is it? then spark is good, leaving fueling.
do not touch the spark plug cranking, it can hit 100,000 volts.
I use a ground strap on the spark plug casing, hands free, or you can be hurt bad, by the spark or when you jump and cut arm backing off
on cars that flood, is it flooding?
I found my engine compression good, then found all 4 sparks fire good.
so i pull the fuel pump relay. killing fueling.
i then use "test fuel" to start engine (again, text book tests)
I use the new CRC brand of test fuel with top end oiling.
i spray it in the plenum, and it starts.
if the spark plugs are bad, (part oftune it up)
it may not start if flooded,
use WOT at the throttle (cuts fuel) and start any flooded engine.
if the spark tips are black and stink of raw fuel (wet with fuel)
that means flooding.
pull the fuel pump relay ,test fuel runs for 3 seconds. each time.
3 second spray max. each time.
if that works out, then find reason for flooding if flooding.
if not flooding, you find dry sparks.
then trouble shoot no fuel.
fuel pressure not near 30 PS?
fuel pressure too high say, 60, it will flood for ever.
there are only 3 tests.
and 4 counting wet /dry sparks.
the tests done, will put you on the correct path every time.
no guessing, no swapping parts to other cars.

May 28, 2013 | 2003 Suzuki Grand Vitara

1 Answer

Was riding my ZZR600E out locally last week without when for no apparent reason the bike starts to misfire and I lose power at low revs. After limping home I take a look....fuel is fresh so not likely to...


You can check the primary and secondary resistances in the coils, dont know offhand the values, but the coils should be the same.
The fact is gets worse as it warms could mean a carb float is flooding,
The vacumn fuel tap can be a problem, this can also cause fuel to flood into the sump , and cause this problem.

Aug 15, 2011 | 1996 kawasaki ZZR 600

1 Answer

I have a 1986 suzuki 650 savage the carb seems to have a problem. It started flooding gas coming out the over flow. I took it off and took the float cover off and replaced the needle needle set and float....


Yea these carbs can be a real pain sometimes to get right. First thing you need to do is varify the float seat is working and totally stopping all fuel flow.... and all the jets, main, pilot and choke circuit are absolutely clean. Bench test the float needle valve by connecting a hose to the carb fuel line nipple and letting gas gravity feed as it would in a run position. if it tests ok, remount it on the bike...
i'm guessing you have a vacuum petcock on this year model? If you do, it needs to be inspected.
In the "on" position you should have no gas flow coming through the petcock, In the "prime" position it free flows. If there is a hole in the diaphram the engine will **** gas and not air (vacuum) through the hose and it will flood. If you don't have a vacuum line on your petcock then it is a different kind. Be sure to check your crankcase, it could be way past full with gas that has entered, dont start your engine like that...drain it all out. make sure the air filter is dry. You will have to replace the spark plugs...a gas soaked plug won't fire.
Good luck, i hope this helps.

Jul 16, 2011 | 1986 Suzuki LS 650 Savage

1 Answer

The is spluttering there is no adjustment on the carb. The spark plug and air filter are ok. Just before it runs out of petrol it starts to run normally


The carb is flooding, as it runs out of fuel it leans of and runs normally, get the carb pressure tested, or just replace the inlet needle under the metering diaphram, and try again.

Mar 04, 2011 | Garden

2 Answers

What is causing my 1986 jeep grand wagoneer engine to stall while driving? I cannot restart it but there is power. It will turn over but not start and there is gas in it. The jeep just went "poof" and died...


ok, its and old jeep, cranks but will not start.

carb fueled right? crank it wide open throttle to clean the flood
and block open the choke, if CARB has auto choke, if manual choke make sure its open. (push in knob... called choke)
fuses first. test them.
first check for spark in all cylinders.
if you have spark on all , then its flooded.
if no spark on one try a new spark plug and wire.
if all spark is dead , do the tuneup. now. all spark parts.
if spark is dead, check it at the coil, ? good there? or not.
that is a start.
if the carb is bad, we cant cover rebuilding it here.

stalls while driving has over 50 causes.
but bad spark or flooding tops list. (assumes engine is ok)

Oct 07, 2009 | 1985 Jeep Grand Wagoneer

1 Answer

"warm" starting


Hi
You may have tried this already, Apologies if you have.

I have had the same problem & spent a day stripping the unit down
(dismantled & re-assembled the carb, seemed OK fuel reaching & flooding the plug) I unscrewed the spark plug from the body, but left it connected to the lead and found that there was intermittent spark when pulling the cord. and tested it with a continuity meter - no signal/measurement. bought a new spark plug, meter reading showed signal/measurement, now starts every time. It may be that Ryobi has been installing rather cheap nasty plugs. So test the plug first by watching the spark when pulling cord, test with a meter, if no continuity, buy new plug....this solved it for me

Jun 15, 2008 | Ryobi 15" Electric Factory Reconditioned...

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