Bad Gas... Mileage? Diagnosing Poor Car and Truck Fuel Economy
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- เผยแพร่เมื่อ 11 พ.ค. 2020
- Shop for New Auto Parts at 1AAuto.com 1aau.to/c/77/af/air-flow-meter
Poor fuel economy: with high gas prices and emissions concerns, poor fuel economy is something most drivers are concerned with. If it seems like your vehicle is starting to guzzle more than sip, Len shares some tips that you can try yourself at home to get your vehicle more fit, and save some of those MPGs!
Have other concerns with your vehicle? Check out all of our DIY diagnostic videos in this list: • Driveway Diagnostics!
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While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video. - ยานยนต์และพาหนะ
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P0 u o
I changed my air filter and cleaned everything out.
Definitely needed it.
But made zero discernible difference to performance and economy.
Bit disappointing, lol.
I thought a dirty sparkplug played a much bigger role on MPG than a dirty air filter.
I usually change my filters, clean the throttle body, clean the MAF, inspect transmission fluid and coolant once a year. Lot of people say it lasts longer but doesn’t hurt to change early if needed
What’s MAF?
@@sterlingboyns4883 maf sensor i guess
@@sterlingboyns4883 MAF stands for Mass Air Flow like mentionned in the video. If you cant check out these facts I woudnt do stuff on your car
Also check the cabin air filter too
My 2010 rogue was getting only like 17-15 mpg, took a look into the air filter and found out that it was completely clogged, never got a code or light on the dash, but cleaned the whole air intake system and installed a K&N filter and I'm back to 22-25 mpg, made a huge difference, also took the time to take a look on the spark plugs and coil packs, everything is fine there, still need to clean or replace that catalityc and clean or replace the injectors because none has never been replaced and the car has already 186k miles on it.
I've got rid of my restrictive filter box on my 2002 S10 & installed a K&N Cold Air Filter System..it was the best upgrade I've done
This guy is a professional instructor. ✊🏼
As long as it's dealing with a verkel
Explained very well, I didn’t think about the MAF Sensor I am getting 9.7 mpg right now
My 2004 BMW 325i only got 15 MPG since I bought it 5 years ago.
I cleaned the MASS AIRFLOW SENSOR and I'm getting around d 30+ now!!!
(It never threw a fault code for anything. Including Oxygen Sensors.)
I don’t like to subscribe to anything because my YT gets filled with more than I want but this little vignette is great and something everyone can do. I have you a thumbs up and sent it to my relatives that need to know.
How I wish we have 1A Auto here in the Philippines.
Yup, rodents in both my car and truck. Once the first rodent comes in, it’s over, there will be a daisy chain of them as they follow each other’s smell. I fixed the car (for a while) with hardware cloth epoxied in a couple spots. It is nuts though that OEMs would not make vehicles rodent-resistant, especially for 4WD trucks that are designed to go (and sometimes stay overnight) up forestry and back roads.
I changed my spark plugs, fuel filter & oil + filter & went from about 7.5 mpg to 8.7 on 8cyl Ford RV
There also is mass air flow sensor sprays to clean your sensor
+Alfred Emerson Thanks for checking us out!
WARNING when disconnecting a Mass Airflow sensor on some cars you MUST disconnect the battery first. You risk damaging the sensor and some can get pretty expensive. Better to be safe than sorry.
Great Info! Especially for travel on 4th of July weekend! Thanks!
Great tip re: mice, getting in there. I have had this problem, but don't know where they are getting in....so that's a big help to start. So GROSS. I think they are in my air vents, but the 1999 Rodeo doesn't have a cabin filter so access means I'd have to remove the whole front of ny dashboard....No videos on how to do that so far. I did stick mothballs where I fond a nest by my emergency brake box. Smell keeps me out too but it seems to help.
My jeep has the winch hooked to a 18 wheeler in neutral. Now I get 100 miles per gallon in idle!
Hooking the jeep to the 18 wheeler was the best fuel economy mod!!
It only idols to run the electronics & the air conditioner!
Love this channel!!
+von ferrer Thank you! We love empowering our customers and showing how to perform DIY auto repairs with our high-quality auto parts. 1AAuto.com
Wow your videos are great, I'm very happy I found you ☺️
Great narration, thanks
Thank you for sharing.
Great advice bud keep it up
Nice, I'll be changing my air filter inda morning!
Thx
Thank you for the tips is helping me a lot
So exactly what you said not to do I did that before watching this video and my gas mileage has dropped alotttt and I have a cold air intake so I’m very thank for this video so I will be doing that to my truck but how would you know if your mass air flow is bad
I love it I love it!!!! thank my friend good job!!
your videos are very useful . thanks
Thought you would get a vacuum cleaner and clean out the box. Like the information, keep up the great work.
Thanks for the tutorial. ❤
Very nice and helpful video 🙂
Nice video thanks
+J Luis C. Thanks for checking us out! 1AAuto.com
It works! Thank you sir! 😊
"Give this man a beer!"🍻 (Stone Cold voice)
Great instructor
+Benri Deanon Thanks for checking us out! 1AAuto.com
Thank you very much
Very good video.
Please do a video on Chevy Express 3500 LT 6.0 Fuel economy. Thanks
Have addressed air filter and fluid changes yet my van continues to degrade in fuel mileage. It's a 2016 model with 65,000 miles.
Good one.
+Grant W. Whitwam Thanks for the feedback!
Great video I'm a subscriber now
Great video
I always like your videos
ty
Thanks Man
Thanks
+Lawrence Coley Thanks for checking us out!
Is it just me or did that thumbnail make it look like he was holding some dank 🌳?? 😆
Very flamboyant
2005 Durango, I replaced all 02 censers and the gas milage has went to crap. 133 miles on 3/4 of a tank. I'm dumbfounded!
I was surprised when he pulls out the alternator.
+gagandeep klair Thanks for the feedback!
Hi, I just recently bought my first car its a 2010 Subaru Impreza hatchback and I love it but the fuel consumption is just ridiculous, its only doing 360km max per full tank of 98 fuel and im only driving calmly not aggressively. I just listed it for sale as it costing me $100 Aud per fill and only getting 360kms out of a full tank and I hardly drive it at the moment. I’ve taken the car to 2 mechanics. One of which is a specialist Subaru mechanic called the Subie Doctor, He did a minor service on the car as well as a few other things, he also took the car for a drive with a scanner on it and he said all data is within the normal specification. The 2nd mechanic also looked at the car and put it on a scanner and couldn’t find anything wrong with it but my cousin has a 2009 Impreza RS and his only uses 10L/100km so there must be something wrong with mine? I’m lost at this point and don’t know what to do? I love the car and want to get it fixed. Could it be a blocked fuel injector or a bad oxygen sensor that’s causing the issue? I’ve cleaned the MAF sensor and the throttle body but no luck. I’d really appreciate it if someone could help me out. Thanks
So my mass airflow sensor can be the reason why I'm getting poor fuel economy after I can my spark plugs & fuel injectors & ignition coils?
Did not realize if you blow it out that it desroys the filter. Thanks
Mice will eat thru a screen. I had had pretty good luck with dryer sheets tied under the hood. Hope this tip helps someone
+SMOKIN WITH SKRUGGS Thanks for the feedback!
Thanks. All good ideas. I recently used STP " CERAMIC " oil additive, with immeadiate noticable smoother, quieter motor operation results.I am also a big fan of LUCAS injector cleaner and lubricant. And my very favorite is Marvel mystery Fluid, supposedly mineral oil, lard (?), and turpentine, per government investigation. Best wishes. And critics never say anything their just dumb people, that just prove there was Cromagnon dating. Thanks again.
Great content, clear, short, to the point, love it. Thank you.
Please don't add music to any demo, DIY, tour, cooking, or animal videos. It hurts the ears with too much noise, makes it hard to focus, and irritates the viewers so they leave fast or turn sound off and miss much of the info. There is ZERO benefit in adding music to the background even at whisper levels. It is audio noise and intensely, insanely irritating to many viewers. You would get more subscribers without added background noise. The voice is enough.
I would love to subscribe but cannot handle the extra noise on my ears. Too much.
I learned alot from this channel esp being a Tom gurl
+Christina Hicks Thank you! We love empowering our customers and showing how to perform DIY auto repairs with our high-quality auto parts. 1AAuto.com
Can that tongue work magic?
damn bro. i didnt know the only possible cause of poor fuel economy was a dirty filter...........
I have a 2014 F150 3.7L with 114k miles. Replaced Air filter and plugs. Still only 16.5 mpg. Any suggestions?
2007 sienna here and I'm getting half the estimated fuel economy. I'm suspecting fouled fuel injectors and brake drag.
That mouse has been all over town. He’s part of the family now. You can’t evict him.
Would this make my car say it’s on empty and them bounce right back to full ? While sitting at an idling?
my 2011 Chevrolet traverse ls is pos to get like 17 city/ 24 highway. but on the meter it says im only gettin a lil over 16. and most my driving is on the highway. What could cause it beside a airfilter. I put it in shop when it started running bad they said it was a bad cadi so they replace it. didnt fix the problem so they said it was a bad 02 sensor and still didnt fix the car running like doo. They then said it was a bad mas air flow sensor and my car runs worse now than it did before. all from a p420 code. It dont come on but my car still feels bad. rpm move up and down and sometimes when im on a hill it feels like running on the warning bumps on the side of the rd.
Mike Strizki had totally clean green cheap energy cars.
Usefully video. But if nominal fuel economy in my Lincoln Navigator 1999 18-19L/100km, but my car computer show 24.5l/100, where possible problem?
- injectors new one 8 pcs
- air filter is good
- maf is cleaned
- idler air flow is cleaned
- throttle body is cleaned
- 4 new O2 sensors
- 1 errors by OBD, c1107 (abs)
Where possible problem or computer is wrong? Vacuum leaks from hoses? Where to find?
Nice to hear any comment on this issue..nearly same as me
How about washing the engine air filter? Wash it till water runs clean
Am having 2010 honda civic 1.8 l 4 cyl automatic not giving proper mileage.
Fuel Tank Capacity 50Liter
It will give 560 kilometers if I fill up fully for the long travel.
When am drive inside the city for full tank its giving me 290 to 300KM
These are the steps that I have done.
1. Clean the mass airflow sensor.
2. Clean the throttle body.
3. Clean the plugs.
4. Changed the engine oil and gear oil.
5. Clean the fuel filter.
6. Clean the fuel Injector.
Please assist me with this.
Can you clean the MAF sensor with a contact spray cleaner?
Verhicle?
How many % approximately will I save if I change the air filter? Thanks, Alex!
If its under 100k miles it'll probably get your mileage back within 1mpg of factory numbers. Regardless, if your filter is dirty you should 100% change it yourself. Its easy and cheap and really makes your car happy
Bad gas mileage is a side effect of the medication for itchy watery eyes, according to Jeff foxworthy.
*watches video and skips to **1:30* "that'll keep the mice out."
MICE ARE STEALING MY FREAKING GAS??
Thought all modern era cars matched the amount of fuel to the amount of air they sense going to the manifold ?
Petiton to make gas .10 a gallon because it's a need in order to drive and because of minimum wage people.
Hope this works for my 2000 S10, I’m consistently getting 10.5 miles per ga😫
I recently purchased a 2011 Pilot and i am getting really bad mpg. About 10mpg. This is very bad. Checked my air filter, it looked fine. Replaced my cabin air filter. Next up will be checking my spark plugs. Could it be a bad fuel pump? There are no unsual sound on the vehicle. Please help.
Same here, any update?
Me too, any advice?
@@elkuartostudio im at 15mpg now. Try fuel injector cleaners
I got a ford focus 12 plate bought few months ago. Just recently realized gutting 12mpg so annoyed. Please update us when you found the solution.
So maybe you guys need to change the pcv valve
Just bought a Nissan Rogue 2015, and it seems to be getting only 9 mpg ??? I figured I would watch this before returning the car for a refund.🤨
Vericle?
Its literally all I can hear. I don't even know what the video was about
😂😂🤣🤣🤣
Part of mousetrap at night and in the morning take it part to put it out every night until you catch the damn mice!
definitly have poor MPGs and definitly have been cheap and blown the air filter out instead of spending the $30...i may or may not be going to buy a new filter now
My verical has a new air filter but still has bad MPG
So can this be the reason why the gas goes down when I hit a bump of accelerate for less than 5 minutes
my car manages about 30mpg on long cruises when it should really be at 60-70+
I'm pretty sure this is why my 2010 chevy impala is wasting so much gas
I have a 2015 wrangler rubicon and had the oil cooler and plugs changed. Every since my fuel economy went south. Before hand I was getting about 357 on a tank and now I may get just a little over 200 miles per tank. Any suggestions on what I should look at? Filter is good. I thought it may be catalytic converter.
Brother same on an Acura, did you change oil types?
Same. Lop
Check the plugs/gaps ?
Why my lexus is getting worse milage per gallon two years ago full tank the range was 350 mpg now full tanks shows like 260mpg 😖
My car went from 26 mpg to 6 mpg. And it keeps going up and down. Can't figure what is wrong. Anyone with input?
Hi friend. Wanted to know if you could help me out. I have an 07 Nissan Sentra 2.0 automatic. I am getting horrible mpg! I get about 8-10mpg both in the city and hwy. I've done just about everything you can think of to get it to work. I have new spark plugs, air filter, fuel pump, tires, battery, cat converter, cleaned MAF sensor, I've even tried fuel system cleaner and lacquer thinner in my tank. I norm put 87 gas in my tank because that's what it says in book. Nothing still hasn't changed. The manual says I'm supposed to get 24 city/30hwy and I'm getting nowhere near that. Please help! TIA
+verinb9 We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
@@1AAuto 😢
Me too man! Pls lmk if you got it fixed and how!
It’s a Nissan so chances it was built poorly and you can’t fix it.
@@Nikkk6969 hey could you help me out. I have vw polo. It’s using a lot of fuel. It’s parked up. Everytime I start car and leave it in neutral (not even driving) for about 20 mins I can see the amount of fuel on the digital reader go down about 5miles. And the actual fuel pin decreasing:( any info to help me?
That thumbnail look like that good shet
How do I know what kind of a viewrical I have?
Veeracle
Put cloves on to protect your hands then put your hand over your mouth and breath.
Bad gas isn't the problem. It's gas LIGHT screwing with your motor.
What about catching brakes? You got to list all causes of poor fuel economy if that’s the title of the video.
Mothballs are poisonous cause dizziness
Tell me the technical reason for poor gas mileage. If the computer is matching the available incoming air to fuel for the 14.7:1 air/fuel ratio all I see is poor performance
+Tim Dienst There are so many reasons for poor gas mileage from bad O2 sensor to bad tire pressure to bad spark plugs. Thanks for watching!
1A Auto Parts of course there’re plenty of reasons why you CAN have poor gas mileage. But you said that a clogged air filter would do it. My point is if everything is running correctly the computer should be correcting the air/fuel mixture. To me this would mean poor performance due to poor air flow (less air less fuel). The computer should be correcting for poorer air as well as other degradation of other engine controls. That is why tune ups are needed. Such as Spark plugs, air filters, O2 sensors, EGR, throttle body cleaning. Even intake valve cleaning.
+Tim Dienst Thanks for the feedback!
@@Bluephrog hey could you help me out. I have vw polo. It’s using a lot of fuel. It’s parked up. Everytime I start the car and leave it in neutral (not even driving) for about 20 mins I can see the amount of fuel on the digital reader go down about 5miles. And the actual fuel pin decreasing:( any info to help me?
@@jahid_1 Did you get help?
yea cuz i drive a 2011 honda accord and i’m only getting 300 miles with a full tank
Did you find a fix? I’ve got a vw polo that’s not been driven. Everytime I start it i can see the fuel needle dropping. And also the digital fuel stating how much I have left has dropped like 15 miles.
U ain’t say nothing about the gas mileage?????
👍🏽
More fuel consumption videos
+Walaga Emmanuel We're always cycling through common cars. We'll add this repair to our list! 1aau.to/m/Shop-1AAuto-c
Wooooo nc 💪
Nobody is going to acknowledge the fact that he touched those nasty ass gloves to his face. I mean why even wear them at this point? It’s like you care more about protecting those hands than your mouth…..