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When is average cost not decreasing or increasing?

When is average cost not decreasing or increasing? Average cost will be neither decreasing nor increasing when marginal cost at a given quantity is equal to average cost at that quantity. Shape of Marginal Cost Curve  Jodi Beggs How much should I charge for an online course? I started with a short course (about 3-4 hours in length) and covered only a small part of the whole topic. I set the initial price at $29. Looking back, I definitely could have charged more but at the time, I wasn’t sure if lots of people would pay for it. What is...
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What is diagnostic code on Ford Focus LX?

What is diagnostic code on Ford Focus LX? We have had a s/h Focus Cmax 2.0tdci for 9 months and there was loss of power whilst on the M6 and M1 and 3 times on more minor roads. Rather scary. A diagnostic test revealed code PO299. Is this a co … read more What kind of engine does the Ford Focus have? The 1.6 petrol and diesel could be mated with an auto 'box. Once again, five-door, three-door and estate versions were available, but Ford also introduced the CC coupe-cabriolet in 2006. Since 2011, Ford has been producing the third-generation...
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Is the Ford Mondeo Ghia X 2.0 diesel?

Is the Ford Mondeo Ghia X 2.0 diesel? Ford Mondeo 2.0L petrol very good running car full leather interior heated front and rear seats cruise control A/C electric wing mirrors but passenger side one broken MOT till 25th September 2021 waiting for v5 to arrive Here for sale is my Ford Mondeo Ghia x 2.0 Diesel Estate. How many miles does a Ford Mondeo get? In fact, it’s a 10-year-old Ford Mondeo 2.3 Ghia X auto that has done 293,000 miles, or a bit more than a spacecraft does on its way to the moon. It’s for sale at Trade...
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When to replace timing belt on overhead cam engine?

When to replace timing belt on overhead cam engine? On older OHC (overhead cam) engines, the most common recommended replacement interval for the timing belt is 60,000 miles. From about 1995 and up, better belt materials using EPDM rubber were used that allow longer service intervals. The recommended replacement interval on the newer EPDM belts is typically 100,000 to 120,000 miles on many engines. When is a timing belt failure bad news? A timing belt failure is bad news because when the belt breaks, the camshaft stops turning and the engine dies. When to replace timing belt in 1991 Honda...
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Why would brake calipers need to be replaced?

Why would brake calipers need to be replaced? Caliper replacement is required if a caliper is leaking brake fluid, if a piston is sticking, or the caliper is worn or damaged. Leaks are very dangerous and should never be ignored because loss of fluid can cause brake failure. Do you have to buy a new brake caliper? You may want to get a secondhand caliper and rebuild that with new seals but don't just buy a used caliper and fit it – you've no idea about the condition of it, and it could even be worse than the one you're...
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Can you unlock the front door of a Focus Mk1?

Can you unlock the front door of a Focus Mk1? It should be possible in all circumstances to unlock the front door locks manually. The key barrel in each door is mechanically connected to the lock. There is no electrical power needed at all to unlock the car manually. I personally expect the locks and/or keys to be worn out. The focus MK1/MK1.5 has Tibbe locks and keys. How to turn on central locking in Ford Focus? Insert key into ignition and turn to ignition and back 4 times in quick succession. You will then hear a chime which indicates...
Easy lifehacks

Is 20 PSI tire pressure dangerous?

Is 20 PSI tire pressure dangerous? If you have standard passenger tires (ninety percent of vehicles do) the lowest tire pressure you can generally drive with is 20 pounds per square inch (PSI). Anything under 20 PSI is considered a flat tire, and puts you at risk for a potentially devastating blowout. Is 46 PSI too much for tires? Higher pressure generally is not dangerous, as long as you stay well below the “maximum inflation pressure.” That number is listed on each sidewall, and is much higher than your “recommended tire pressure” of 33 psi, Gary. So, in your case,...
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When did the Ford Taurus get its first redesign?

When did the Ford Taurus get its first redesign? The Ford Taurus received its first redesign in mid-1991 for the 1992 model year. Still based on the same chassis, every exterior body panel (with the exception of the doors) was restyled. Is there a forum for 1986 Ford Taurus? All Five Hundred and Taurus owners are welcome. Whether you drive a 1986 Taurus or 2019 Taurus, come join the discussions in the Taurus Forum. There is a growing number of PI sedan (police interceptor) owners in the forum as well, those owners are certainly more than welcome to post in...
Common questions

Where is the EGR valve located on a 1998 Mercury Tracer?

Where is the EGR valve located on a 1998 Mercury Tracer? Where is the E.G.R. valve located on a 1998 mercury tracer ? It is located directly to the right side of the engine when you are standing at the bumper looking at the engine. It looks like a wide brim hat. Where is the EGR valve on a car? Park the car in a safe place. Open the hood and wait for the engine to cool down, if necessary. Locate the EGR valve on the right side, toward the rear of the engine. The valve looks like a large,...
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Does my car use R-134a refrigerant gas?

Does my car use R-134a refrigerant gas? If you have a vehicle manufactured after 1995, then you should have R134a. If your vehicle is older you may still have R134a; it just depends on if it has been converted. To tell if it has been converted you can look for a sticker on the unit under the hood, which would indicate that it is R134a. Can you add Freon to a Ford Ranger? The A/C system in your Ranger consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator,...