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Whistling noise-wont idle-husqvarna 346xp


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  • chris Jan 14, 2013

    I found the problemI tightened the head boltsIt was loosing compressionRunning really good now


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  • Husqvarna Master
  • 2,239 Answers

Is it possible the deco valve on the side of the cylinder is stuck open or leaking all the time, this might account for the whistling noise.

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

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SOURCE: Brand new Husqvarna 346xp oiled,

Return the saw to the dealer and have them start it. If they can't, then warranty service or replacement is necessary. Otherwise, they can correct whatever you might be doing wrong. Hope this helps!

Posted on Aug 16, 2010

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Making whistle noise on off on run and stopping.

There are basically two types of whistle noises.

* Whistle when you get more gas (increase RPM, put gas pedal, sometimes just idling but louder when you put more gas)
This usually intake-side leak.
Intake manifold itself, intake manifold gasket (most likely), even airfilter housing, Airflow meter housing (connector), anything where air goes to engine.
usually engine get rough or unstable idle when intake leak occur.
Engine knocking or pinging may feel.

* Whistle when you decrease RPM (engine brake, reduce speed, sometimes just idling but louder when it dropping RPM)
This usually Vacuum-side leak.
There are many vacuum hoses in engine room. even inside of cabin (heater control, etc)
Try to spot where it coming from.
Vacuum also connected to Brake servo, heater control and spark timing.

Put metal or plastic pipe (small PVC pipe will work fine) to one of your ear then isolate source of noise and find where it come from.

Feb 26, 2016 | Cars & Trucks

1 Answer

Is a high pitched whistling sound at idle a vacuum leak or what?

hissing vacuum leak at idle, louder with open throttle ...

? 1:43
Jun 27, 2010 - Uploaded by fenixus
hissing vacuum leak at idle, louder with open throttle ... i know that my camera is poor and microphone suppresses high pitch ...Hi, my kia picanto engine also sound hissing/humming duringidling with open throttle. ... Loud whistling noise 2000 jeep wrangler 4.0l - Duration: 4:01. by Nasrac72 16,158 views.Missing: vt750c

A Whistle or metal sound with firing... - Honda Shadow Forums ... > ... > Technical Discussion
Jul 11, 2008 - ... under load (accelerating), that there is a small whistle or even 'tap on metal' high pitch sound ... Pics of my 2008 Shadow Aero 750 (VT750C ... loose bolt vibrating
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Dec 25, 2015 | Goes Motorcycles

1 Answer

Where can i buy a carburator kit for a 346xp chainsaw

you need the numbers off the carb. It will be stamped into the carb body. once you have these numbers see a dealer and they will sell you a kit.

Oct 13, 2014 | Husqvarna Garden

1 Answer

Fuel tank vent hose routing on a husqvarna 353 without the primer bulb

The early 353 had a breather made up of two small,round white tablets that just pushed into the tank, the later breather was a white plug with a hose connection on the outside, there was nothing on this connection, the pro saw 346XP had a pipe on the connection which came up through the crankcase floor along side the fuel hose and pushed onto a hose connection to the r/h side of the carb.

Apr 27, 2014 | Husqvarna Garden

2 Answers

I have a husqvarna 350 chain saw the muffler bolts come loose almost every time i use it can i use lock tight on the bolt?

you can use loctite but make sure it is a high heat or it will just get hot and break down and leave you in the same boat.

Feb 11, 2013 | Husqvarna Chain Saw 20" Bar

1 Answer

Which is the fastest cutting chain saw,,, the 346xp or the 550xp?

Since the 550 xp is a bigger motor than the 346 xp and the chain kerf is about the same, then more horsepower equates to faster cutting

Dec 24, 2012 | Husqvarna Garden

1 Answer

Brand new Husqvarna 346xp oiled, fueled, ready to go and will not start. Any suggestions? I have followed all instructions and am not new to saws.

Return the saw to the dealer and have them start it. If they can't, then warranty service or replacement is necessary. Otherwise, they can correct whatever you might be doing wrong. Hope this helps!

Aug 16, 2010 | Husqvarna Garden

1 Answer

How do you get to the oil pump assy. on a Husqvarna 346xp chainsaw? I am having problems keeping an oil pump in this saw.

The oiler and worm gear are behind the outboard clutch:
R² Drive Link Outboard Clutch by
  1. Check the IPL for your saw to see if any special tools are needed.
  2. There are metal piston stops available, when square (almost never) with the piston top these work well, if not square they have been known to punch through the piston. I suggest a length of starter cord or nylon rope be used instead of the piston stop (retain 6" ± so you can remove it). Make sure the piston is near the top of the cylinder before feeding the cord or it can fall through the exhaust port and damage the piston as it rises.
  3. Everyone I have ever removed had a left handed thread (tighten it to loosen it).
Detail B on the IPL here:
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000)
15 = week produced - March
00198 = 198th unit Husky produced that week

Jan 01, 2010 | Husqvarna Garden

1 Answer

Whistling noise in engine and rough idle

check all vacuum hoses,sounds like a leak, try spraying carb cleaner near noise,if engine rpms go up you found the leak

Apr 09, 2009 | 1998 Audi A4

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