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How much is my old Oscilloscope worth?

Hey I'm trying to sell my Oscilloscope cause it's not really getting used anymore, I have all the power cords that go with it etc.; but I want to know about what price is it worth. This is one I have here at this site pretty much same condition (New) Here's the site and info about it, Model- LBO-313 Year- 1985 Condition- Perfect Website- http://www.radiomuseum.org/r/leader2_oscilloscope_lbo_313.html?language_id=2 Also where would be a good place/site to sell it at quickly? Thanks!

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Just get em re-gassed.I live in Spain and use it an awfull lot and two and a half to three years is about it.

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SOURCE: 1996 disco 1 misfire error codes 313 and 316, bank B.

Could be, but more likely to be fuel. Why do I think that? Carbon build up typically happens when plugs are working (no carbon without fire) but fuel mixture is wrong (air or fuel). If coil, most likely would misfire at all engine RPM, not just low RPM. So, I reckon to look at fuel rail pressure to the injectors first - get a pressure gauge on the fuel rail and check it out. I think, but can't remember for sure, that there is a fuel pressure regulator per bank, but I could be completely wrong. But either way, I'd check that out as it is simple and if it is OK, then check out air path to that bank and any vacuum/air take offs specifically to that bank. If all OK, then why not swap coils? See if problem swaps over. If so, you know it is the coil.

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2 Answers

How do I know if my timing chain was replaced correctly?


In most cases they can take the valve cover off to expose the Upper Cam sprockets. They can also take the tire off and get to the Crank to set TDC. With the Crank pulley lined at TDC they can see if the Cam sprockets are on their correct marks.

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It sounds like a lifter collapsing intermitantly causing miss. Is there a good way to isolate which lifter is the problem?


If you have about two hours & ten thousand or more in
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I was referring to some oscilloscope time & some mathematics

Not many shops get that involved, but it works,if your a smart
guy or gal

Mar 13, 2013 | Cars & Trucks

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How do i test the coils on my 2001 f250 5.4 engine without a computer


You don't

Need to use a scanner in Mode #06 for cylinder misfires

Need an oscilloscope to current ramp coil primary & voltage
on secondary

If you have a PO 301 thru PO 308 --you buy a new coil &
walk it one cylinder at a time & drive at least 20 miles

Some coils only act up every 3 weeks & really bad & spike
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Real education to work on a ford

Interesting once you get the hang of it

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What should my 2004 ford taurus coil pack ohm out ?


\ You either use an oscilloscope,a scan tool in Mode #06 to check for misfire counts on a road test or just replace the coil or walk a new one until you get the bad cylinder The coils only break down when hot & car driven, unless really bad & then the Mode #06 will work on most of them Codes are not always correct on a ford & you get all sorts of unrelated ones Always start all vehicle work by checking battery voltage first & make sure that it holds when key is off

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Toyota running rich


Do you have check lights on your dash?

If so, have you checked for codes & used
the internet to look them up?

Check fuel pressure with a gauge

You should have O2 Sensor Codes, if it runs rich

The cause may not be the sensor that reports the
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Any vacuum leaks anywhere,even in the exhaust system
before the converter, will lean out the exhaust gases & the
computer will in turn pulse the injectors longer & you get
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There are many causes that can take place,a loose
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injector.

No --putting something in the gas tank at 12 oz to 15 gallons
of gas, is a waste of time & money

You really need the factory diagnostic manuals, so
you can follow charts etc to get to the issue.

The Haynes books won't be of any value

Is the engine mechanically sound after 10 years or more
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Did you buy it used? In that case your guaranteed
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My 2006 VW Beetle continuously blows the Accessory fuse utilized for the power port for the cigarette lighter and underneath the center console. The proper fuse was replaced. Only my phone plugged in when...


Hi Troy,

Without seeing the ports of the car and the plug of your charger, it would be difficult to diagnose with any certainty. I do have a suggestion however. Your note suggests that other devices do not cause the fuse to blow when they are used - it is only the charger for the phone. Since the charger works in other cars, it is probably not an overload condition due to a defective charger, but more likely a mismatched set of contacts between the plug and power port in your car when the two are mated. Some cars have slightly different sized power ports that can be either too tight or too loose for some plugs. Too tight ports could be causing parts internal to the charger's plug or car's power port to short together and blow the fuse.

We can get around this be using a different plug. The easiest way is to find a cord set that will plug into your car's power port and provides a simple extension for 1, 2 or 3 outlets. These can be found in auto parts stores and the automotive departments of stores like K-Mart, Sears, etc. Some examples look like these:


8_27_2012_9_46_15_pm.jpg

8_27_2012_9_46_33_pm.jpg
Insert the plug into the power port - and check that the fuse does not blow by checking the fuse - not by plugging something into the the outlet on the cord. If the fuse remains good, then it is safe to assume that the problem with your charger and the car's power port has been eliminated, and the car's power is available at each of the outlets of the new cord.

Try plugging the charger into the outlet of the new cord. If all is well, the charger should be working as expected. What we have done is removed the charger / car power port combination from the equation, by providing a different combination to do the same thing - but without the same physical connection that causes the fuse to blow.

You could achieve the same results by changing the charger plug under the right conditions - but many chargers now a days have circuitry inside them that change the car's 12 volts to something different. If you can find the voltage out of the charger and are able to match it with another - it must be the same voltage, polarity, current and phone power connector of course - it should work, too. You must be absolutely sure of the power requirements and your rewiring - if not, stick with the addition of a cord described above.

I hope this helps & good luck!

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1 Answer

Lincoln ls missing power loss


You either have a really bad COP Ignition Coil,
or you have several failed at one time.

If you have a professional scan tool or software used, in
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misfire counts. Then you can replace just the bad guys

If your front two O2 Sensors have 100,000 miles on them,
replace those two. Unrelated, but you will notice the instant
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Also need the correct spark plugs,not fancy ones with several
prongs,they don't work in that car

I suggest NGK Double Platinum ,the Single Platinum were the
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Don't be supprised if the Battery goes dead & causes those issues
also. Have to go to a Dealer for that,because of the vent out of the
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Give me the codes you have & if you have the ETC Failsafe lite
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Hi Marie,
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I guess the question is - did you have any warning lamps on when this happened? Was the "Check Engine" light on? Was the "battery" light coming on?

The best advise I can give you at this point is to get the car's computer network scanned for fault codes. Any fault codes stored will help to determine what is going on. The only other instruction I can give you is don't keep trying to start it. If the battery voltage is low, continuing to try starting it can cause the battery voltage to drop low enough to clear the memory in your PCM. This would not be good when it comes to trying to figure out wnat happened.

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1 Answer

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Check the alternator for bad diodes, that could cause
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1 Answer

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The spark plugs get replaced around 60,000 miles
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If you change plugs every 3 years, then that isn't the issue

Did they remove the upper intake manifold to do the right side
spark plugs?

You never have more then 1 bad coil a year, or sometimes
2 ,but never at one time

A dealer can not work on an L/S for some reason
I own a 2004 V8 & have no issues diagnosing these problems

The front 2 O2 Sensors ,the ones in the front of exhaust converter,
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You clean the MAF Sensor with CRC MAF Cleaner

A back fire could be a lean condition from a vacuum leak
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Hopefully they checked the TPS Sensor

When I refer to check, I don't mean replace,I mean test &
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The EGR Valves fail on ford products quite offten

Need to check/test fuel pressure at rail on engine,even
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You got sometimes & when warm,that is what they should
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doing that do work & the drivability issue will surface.

Dealers sometimes never even road test a car or long enough
So there you go,they won't find anything

Keep in touch,I have all the manuals etc if you give me more
symptoms

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