# How to compare ratios - Finance

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### What is fault code SA 16 DTC PO 4D900

Looks like could be caused by one of several sensors.
I did find thisP04D9 EGR feedback saturation This OBD monitor indicates if the burned air fraction error is saturated against a high or low limit. The logic for the monitor evaluates the time spent at saturation and compares the ratio between the time spent in a saturation mode and the total time engine running. A fault is reported whenever the ratio exceeds the fault limit.
P04D9 EGR system: Feedback control(Saturated Low)
Enable conditions: Engine torque 300 - 2500NM,Exhaust Mass Flow 0.1 kg/s, Ambient Air Temperature-8 -55C, Barometric Pressure 75 - 105 kpa, Coolant Temperature>65 C
Disable Conditions No active DTCs P0069 P046c P0234, P0299, P0401, and P0402
Some possible causes
P0069 Intake manifold pressure sensor evaluation
P046c EGR differential pressure sensor: DP Sensor rationality
P0234 Comparison of actual boost pressure, Overboost, to modeled boost pressure
P0299 Boost Pressure: Underboost, Comparison of actual boost pressure to modeled boost pressure
P0401 EGR system (low flow)compare demanded egr flow to actual
P0402 EGR System (High Flow)compare demanded egr flow to actual

Aug 20, 2017 | Cars & Trucks

### How to Calculate Compression Ratio?

It is calculated by measuring a piston at the lowest point in its travel (i.e.8 inches) then measuring again at the highest point of travel (i.e. 1 inch) Then compare the two readings = 8 to 1 ratio.

Oct 14, 2016 | Cars & Trucks

### How ca someone figure a compression ratio on a kohler command engine with different heads?

the compression ratio has nothing to do with head shape - it is the of the swept volume of the cylinder compared to one ( surface area X the stroke of the piston)

Mar 07, 2015 | Kohler Electrical Supplies

### I've heard the term "expense ratio" referred to in terms of mutual funds. What does this term mean?

An expense ratio is how investors compare different expenses across different funds. The expense ratio is the 12b-1 fee with the management fee and any other fund expenses and then this total is divided by the average daily net assets.

Aug 19, 2013 | Finance

### Cannot change aspect ratio when im playing a game it cuts off part of the screen

Normal aspect ratio is 4:3, and the wide aspect ratio is 16:9. If you play a game meant for 4:3 and you change the TVs aspect ratio to 16:9; part of the picture will be cut off. It is not the fault of the TV.

Oct 15, 2010 | Sanyo DS27800 27" TV

### What is the proper fuel mixture for a husqvarna chain saw ?

The Correct Fuel Mixture Ratio
All two stroke engine will use a 50 to 1 ratio using today's two stroke oils. I once used an old chainsaw probably from the 1960s, that had a sticker on it that said to use a 25 to 1 fuel/oil ratio, but that would have been using two stroke oils of the time period the chainsaw was manufactured. In that chainsaw I used 50 to 1 ratio with no problems. Today's two stroke oils compared to yesteryears are more efficient at lubricating. It is like comparing today's synthetic motor oil to motor oils of decades ago. All the equipment I use in landscaping, anything from a weed eater, leaf blower, chainsaw, hedge trimmer, use 50 to 1 ratio, and I use all types of makes and models, Stihl, Homelite, Husqvarna, Shindaiwa, and Echo, Sears. I mix up a 5 liter fuel can and use it in all of the equipment for my customers and for my landscaping. To calculate the ratio is simple. For instance , if you have 1 gallon of fuel it is best to break it down into smaller units, like ounces. One gallon = 128 oz. You then divide this amount by the ratio of the mixture which is 50 to 1 (50 parts fuel, 1 part oil). So therefore 128 oz of divided by 50 = 2.56 oz (you would just measure out 2.5 oz ) of two stroke oil. If using metric, say a 5L gas can, you would break this down to smaller units, which would be milliliters. 5L = 5000 ml. 5000 ml of fuel divided by 50 = 100 ml of two stoke oil.

Jul 25, 2009 | Garden

### Oem gear ratio for a 1997 ford f 150

look on the door jamb sticker for the axle code and compare it to the chart. please rate as solved if this helps.

The front and rear axle codes are as follows:
• Rear axle ratio codes (A) are:
• 18 — 3.08.
• 19 — 3.55.
• 26 — 3.73.
• 27 — 3.31.
• H9 — 3.55 Limited slip.
• B6 — 3.73 Limited Slip.
• Front axle (B) code.

May 25, 2009 | 1998 Ford Explorer

### I need to know the gas mixture ratio for a craftsman weedwacker

Hello mcguilmd:

>>All Two Stroke Engines will use a 50 to 1 Ratio using Today's Two Stroke Oils. I once had an Old Chainsaw probably from the 1950s, maybe Earlier 70s that had a sticker on it that said to use a 25 to 1 Fuel/Oil Ratio, but that would have been using Two Stroke Oils of the Time Period the Chainsaw was Manufactured. I was having a Problem with Oil Coming Out of the Muffler and Started Decreasing the Oil in the Gas. I Reduced the Oil Until it was a t a 45:1 Ratio and Decided to be Safe, I would Use a 40:1 Ratio Mix. In that Chainsaw I used 50 to 1 Ratio with no problems. Today's Two Stroke Oils compared to Yesteryears are more Efficient at Lubricating. It is like comparing Today's Synthetic Motor Oil to Motor Oils of Decades ago. All the Equipment I use in Landscaping, anything from a Weed Eater, Leaf Blower, Chainsaw, Hedge Trimmer, use 40 to 1 ratio, and I use all types of makes and models, Stihl, Homelite, Husqvarna, Shindaiwa, and Echo, Sears. I mix up a 5 Gallon Fuel can and use it in all of the Equipment for my Customers and for my Landscaping. I like my Fuel/Oil Ratio a Little Heavy, so I use a 40:1 Ratio. The Following was Copied and Pasted here from and MTD E-mail to me when I Asked for the OEMs Suggested Mixture for this Unit. The mixture, as described by the engine manufacturer, is a 50:1 ratio when using the approved types of 2-cycle engine oils.
50:1 ratio is a mix consisting of 2.5 ounces of 2-cycle oil per 1 gallon of gasoline.
The 2-cycle oil used should be approved and have one or more of the following specification titles: NMMA TC-WII, TC-W3, JASO FB, or JASO FC. NOTE: If unsure of the 2-cycle oil specifications, or the oil is not approved, use a 32:1 fuel to oil ratio. This ratio consists of 4 ounces of oil per one gallon of fuel.
NOTE: Always mix 2-cycle fuel oil and fuel in an approved gasoline safe container prior to filling the engine. Make sure to use a separate gas can for this 2-cycle fuel mixture and label it accordingly. Keep in mind that the fuel capacity of these engines normally is less than a gallon, therefore you will have to use this extra oil mixture for multiple fuel fills. Adding a fuel stabilizer will also help to increase the shelf life of fuel.
>>I Suggest Using a 40:1 Ratio and if Oil Starts Coming Out the Muffler then go to a 50:1 Ratio.
Please, Do Not Hesitate, If I Missed Something or you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

May 13, 2009 | Craftsman Garden

### Math

ratio: a comparative value. "so many pounds to ounces"
i.e. 3 to 1
proportion: a part of the original. a percentage of the whole.
i.e.: a proportional band of a thermostat. that "dead zone" between the set point and the desired point is 10 degrees.

Dec 27, 2007 | Office Equipment & Supplies

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