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Pinging noise - HP Computers & Internet

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  • fridellrobin Aug 30, 2008

    pinging noise when lap top has been on for a while



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Short from the smd transformer.replace the module inside the lcd.located at the lower side.list down the part number and order it.u

Posted on Aug 30, 2008


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Audi a4 b6. car has a bad pinging noise. what are the fixes

The most common cause of this is a tank full of old fuel or bad fuel. I have seen both even hear in the USA.

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Hearing a pinging and squealing noise from the left front tire on my ford 500

Power steering pump may be making that noise or the belt is loose.

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Pinging when on the thottle.and a wineing noise from lower end

Beings you DIDN'T give a YEAR (so I don't know if it's a carb or injection), I can only give generalizations.

Pinging in internal combustion engines occurs when air/fuel mixture in the cylinder has been ignited by the spark plug and the smooth burning is interrupted by the unburned mixture in the combustion chamber exploding before the flame front can reach it. The engineered combusting process ceases, because of the explosion, before the optimum moment for the four-stroke cycle. The resulting shockwave reverberates in the combustion chamber, creating a characteristic metallic "pinging" sound, and pressures increase catastrophically.

Some of the possible causes:

The hotter your engine is, the more likely your engine is to ping. The farther your timing is advanced, the more likely your engine is to ping. The higher your compression ratio is, the more likely your engine is to ping. The lower the octane of gas you use, the more likely your engine is to ping.

As far as the whining noise, does it sound like a chain noise?
Again, the causes/fix depend on what YEAR your bike is.

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Pinging noise comming from exaust

The 1100 Custom requires the valves to be adjusted every 3000 miles.
It is best to use high octane gas also. Regular or shall I say CHEAP gas will over time cause the pinging or spark knock.

Pinging could also be something worse if it does not go away with valve adjustment and better gas. Get it checked right away.
Kinda miss my ole 1100 custom but the Yamaha Raider I have now does not require valve adjustments every 3,000 miles. And fast.... oh dear lord. :)

Hope this helps!

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2001 CRV rear clicking noise

Why don't you believe your mechanic? He is correct.

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Pinging noise at high rpm

You could have fuel with to low of octane rating.

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2001 ford windstar makes a "pinging" noise when taking off

pinging noise low octane. mix gasoline half and half.half 87 and half it severals days if it still ping have it scan to check detonation sensor.a bad detonation sensor will also make car ping alot.

May 12, 2009 | 2001 Ford Windstar

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Pinging noise every few seconds

The pinging noise could be a door alarm which sounds if the door is left open for too long.

Mar 02, 2009 | Refrigerators

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