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Mixture adjustment for altitude on Powervac 51985

Posted by Anonymous on


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: I am at a higher altitude and need to adjust the

The ratio is computer controlled, no way to adjust, if is running bad there may others problems you should have checked out.

Posted on Oct 29, 2009

Testimonial: "Thanx....I suspected as much. Maybe the oxygen sensor neath the car. It is not running bad it just consumes more in a higher altitude."

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SOURCE: 2003 camry high altitude adjustments

your vehicle is equipped with a m.a.p. sensor or a mass air flow sensor. the p.c.m. will make the necessary calibrated adjustments. back in the carburator days you would need to jet the carb- but those days are over. hope this helps

Posted on Aug 30, 2012

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2010 5.7 liter. Does the dealer have to adjust anything to improve gas mileage?

to get an an out of paramaters setting for the air fuel mixture in the ECM I would consider a change in altitude of around 3000 feet would be necessary before the ECM would need re- programming
I would suggest that you run the fault codes as the MAP/BARO sensors may be faulty
also if the driving conditions have change ( flat to hilly) will account for lower fuel economy

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Chang spark plug

adjust the air/fuel mixture...these things are manufactured in a diffrent altitude and it needs ajustment...have done 20-25 of these already and that was alway's the problem

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What is a barometric pressure sensor

it tells the ECU what the altitude is so the engine fuel air mixture can be adjusted accordingly.

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My super tenere XTZ 750 runs pooorly at high altitude

late model EFI controlled engine ,indicates a Baro slate model EFI controlled engine ,indicates a Baro ensor problem not reporting to the ECM to adjust for less air
Take it in for a fault code check
if carbies it could be a float level problem and a air/fuel mixture adjustment or jet sizing problem

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1 Answer

Johnson 40hp- won't idle or troll at high elevations

Depending on the year model you may be able to adjust the mixture leaner for higher altitude. That adjustment was traditionally out of the very top of the carb pointing straight at you. Screw it in(gently- it's not a wood screw). Then out 1/2 turn at altitude.

Jul 14, 2012 | Light Boating

1 Answer

1984 yamaha 200 ATC carborator troublshooting

1.5 to 2.5 depending on altitude. turn it all the way in and back it out to min first, if wont run smoothly continue out by quarter turns.
make slow adjustments and rev it up several times between adjustments to allow for idle settings and float response.

Jun 06, 2012 | Motorcycles

1 Answer

2008 Rio 5 mixture too rich. I have a 2008 Rio 5 that has the mixture far too rich. This is a real problem as it takes forever to warm up in the winter, especially at our altitude of 1500 meters. Car seems...

Warm-up is controlled by the thermostat, not altitude.There is an electronic kit (you have to assemble it) available from Jaycar Electronics in Australia. or 1-800-784-0263. This kit allows you to modify the voltages that come from various sensors including the O2 sensor that directly modifies fuel/air mixtures by adjustable percentages. It's not cheap, but could be a fix. Your only problem with this would be having to switch this modifier out-of-circuit when going to sea-level driving. Hope this helps or at least offers you some other ideas for consideration. Is this a common problem for other Kia owners in your area?

Mar 03, 2010 | 2007 Kia Rio5

1 Answer

I am at a higher altitude and need to adjust the air/fuel mixture in my 2002 Hyundai Accent 1.5 liter engine.

The ratio is computer controlled, no way to adjust, if is running bad there may others problems you should have checked out.

Oct 29, 2009 | 2002 Hyundai Accent

1 Answer

My grasshog has no power when it is spinning.

A pluged air filter will cause that. Depends on what altitude you are at, the carb needs to be adjusted per the altitude, see if it runs at a half choke, this tells you if it is getting to much air. The fuel mixture screw should out 3/4 to 1&1/4 turn out from bottom. Also if your oil mixture is to rich it will power out, 50:1 is 3.2oz. to a Gal. of gas. Also dependes on how old the machine is. Might have to go 80:1

May 30, 2009 | Hand Tools

2 Answers

22R Carb at high altitude

Yes, Colorado is much higher in altitude. Do to higher altitude the barometric pressure is less than sea level by a long shot. Lower barometric pressure mean that less air is entering your engine. Which in turns mean that your engine is now running richer than it was at a a lower altitude. So I recommend checking you engine timing, and adjusting your carbs air/fuel mixture. yes this means that you may need to rejet. but first there is a screw on your 22r's carb that you must adjust to lean the air mixture just right. I have had a stock 22r carbortor before and never had to rejet it. i probibly should have but it ran fine at sea level and all the way to about 10000 ft. after 10000 feet i had to lean the fuel mixture to even alow the engine to run. This screw that you must turn is hidden due to toyota not wanting you to tamper with it and burn your engine to the ground by running your engine to lean. it has a metal plug on the passenger side of the carb about the size of a pencil eraser. you must drill that out and then you can adjust the air fuel mixture. Clock wise is to lean the air fuel. and Counter clock wise is to richen the air fuel mixture.A good rule of thumb is to turn the air/fuel screw all the way clock wise and then back out about 2 and 1/2 turns. That is the factory adjustment. you may only need 2 turns out. Best of luck i hope you get it running perfect. Try this adjustment first then if it still runs rich then think about rejetting.

Here is a picture of what i am talking about.

#1 is the air/fuel mixture, #2 and #3 are cold and warm idle screws.
#4 is a A/c idle adjustment.


Sep 04, 2008 | 1987 Toyota Pickup

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