Questions tagged [gasoline]
Colloquial term for 'gasoline', a liquid petrochemical refined from crude oil and used in internal combustion engines as fuel.
212
questions
3
votes
2
answers
1k
views
Is Stabil ethanol treatment a suitable alternative to ethanol-free gas?
I'm not a fan of the E10 ethanol-blended fuel (10% ethanol/90% gasoline) that is extremely common here in the US. I'm no expert, but I've heard and read that it is often damaging when used in either ...
11
votes
3
answers
4k
views
Toyota Prius Mk2 "gasoline only" operation mode
I want to get a used Toyota Prius Mk2 (XW20). I do not necessarily need to operate it in hybrid mode (gas + electric) and I am OK with operating it in a kind of "gasoline only" mode (because of a ...
- 1,305
7
votes
1
answer
7k
views
How long can "Stabil"ized gas stay fresh? and can it be improved?
I had my sportbike in storage for at least 3 years. It is Electronic Fuel Injected. It had a full tank of Premium Gas (Shell or Mobil). I put in STA-BIL to preserve the gasoline.
Is the gas beyond ...
5
votes
1
answer
3k
views
Starting fluid, does it require a spark or autoignite?
If a four stroke gasoline engine (inline-four, digital fuel injection) starts with starting fluid (but not without it, and stops firing when the spray is removed), is this an indication that the spark ...
2
votes
2
answers
187
views
Is this diagnostic correct?
I know diagnostics can be prone to failure, but I want to know if this failure is correctly diagnosed, not if the diagnosis is in fact correct.
Earlier my starter motor emitted a higher pitched noise ...
- 1,005
14
votes
6
answers
63k
views
Should I use gasoline 87, 89 or 93 on 2016 RAV4 SE
I read many articles online and people have different opinions about this issue. Some say 89 is the best for acceleration. Others say 87 is just fine.
I'm worried only about the health of my car. ...
- 297
0
votes
1
answer
38
views
Why do fuel need to be high energy to work inside a vehicle?
If cars rely on pressure caused by heated atoms then why do the fuel mixture need to be high energy? If I heated any gas up wouldn't they no also cause extreme pressure inside the combustion chamber? ...
- 1,691
1
vote
0
answers
93
views
Strong gas odor 1997 VW Eurovan [closed]
Not strictly the gas cap...mechanic cannot diagnose the problem. I am the original owner, vehicle has 100 K in excellent condition except for this and the air conditioning also just went out (...
8
votes
3
answers
3k
views
My BMW 325xi smells like gas
It is difficult to start my BMW it runs rough and smells like raw gas from the exhaust pipe. My check engine light is on.
What could be the problem?
I just had the engine replaced I am over 8,000 ...
- 81
-2
votes
1
answer
5k
views
How much gas does a car use per-mile? [closed]
On average, most people have a 40-60 gallon fuel tank and with that full can travel 200 - 300 miles. My question is, how much gas do your vehicle use per mile? What are some of the factors that ...
- 1,691
12
votes
4
answers
5k
views
Why do we mostly use fossil fuel instead of a more reliable and larger sum fuel?
Why do we mostly use fossil fuel instead of something like... Alcohol? We used it in a portion of our gas, so why don't we use it in greater quantities?
Obviously there's a reason.
My guess is ...
- 1,691
6
votes
1
answer
63
views
1998 Oldsmobile Intrigue - Takes fuel super slow
I think someone tried to siphon my gas tank and now it fills super slow. Like ten minutes slow.
So what part might be damaged and would it be in the fuel tank itself or in the fuel tank neck?
- 61
4
votes
1
answer
356
views
Is it fine to use higher octane gasoline than what is recommended on the fuel cap sticker
I've got a 2000 W202 Mercedes C240. It's got a V-shaped, six cylinder gasoline engine. On the fuel cap, it says RON 95 EN 228. And in the manual also it says "Use only Premium Unleaded petrol". I ...
5
votes
1
answer
1k
views
Re: Dry Gas (specifically STP Water Remover)
Well, it's butt cold here in Maine & my car wouldn't start. It has a 1/4 tank of gas & I was unable to add 1/2 bottle of dry gas as it comes out very fast. So despite the directions on the ...
- 53
6
votes
1
answer
172
views
What is the problem if my car's engine stops running in the middle of a ride?
My car's engine frequently stops in the middle of a ride. Its an old model of Hyundai Sonata 2004. This happens especially in high gears(3,4) and faster speeds (like 60-70 mph). It has also happened ...
- 191
4
votes
4
answers
167
views
Engine MPG / Economy
I drive a 4 cylinder Mitsubishi lancer evolution and I CAN get UP TO about 20 mpg on the highways.
What determines MPG? How is it that engines with twice the number of cylinders, and in some ...
- 41
7
votes
1
answer
3k
views
2009 Hyundai Sante Fe - gas smell in cabin after replacing fuel sending unit. has been repaired 4x's now
Fuel sending unit replaced. Since then it has gas smell in car. It has been redone by mechanics four times now but still has a gas smell when the gas level is in the first quarter of the tank.
Cap ...
- 71
5
votes
0
answers
514
views
What causes more gas consumption - Idling with AC or Heat? [duplicate]
So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
- 213
4
votes
3
answers
3k
views
What causes more gas consumption - Idling with AC or Heat?
So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
- 213
2
votes
1
answer
607
views
Will using premium gas increase gas mileage? [duplicate]
Is it possible to get higher gas mpg in RX350 by using premium gasoline ?
It seems to, but don't know how it works and don't know how much more I get since one day is not the same as another.
Are ...
- 21
4
votes
1
answer
95
views
Snowblower - 2 cycle oil without stabilizer
I'm not sure if this is the correct forum for this question.
I have some 40:1 mixed gas (for my snowblower) that is about 6 month old with no stabilizer added. I haven't t tried it yet but should ...
- 197
59
votes
6
answers
55k
views
Why do heavy vehicles almost always use diesel engines?
I have always wondered why heavy vehicles such as large trucks and buses almost always use diesel engines, whereas in light cars there is a choice between diesel and gasoline engines.
Engine ...
- 14.5k
6
votes
1
answer
151
views
Why is there no drop-in biogasoline like there is drop-in biodiesel (e.g. NEXBTL)?
I have always wondered why there is no drop-in biogasoline like there is drop-in biodiesel. For example, NEXBTL by Neste can be run at 100% mixture in conventional diesel engines. It is different from ...
- 14.5k
5
votes
2
answers
2k
views
Do I need to eliminate old gas before changing fuel injectors?
I have a truck with a full tank of gas (12-16 gallons?) that's been sitting for 12 months and I'm about to change the fuel injectors.
The truck can barely make it around the block due to stalling out ...
user11915
6
votes
2
answers
10k
views
Can diesel engine be harmed as easily as gasoline engine by over-revving?
There is an excellent Q&A about why diesel engines have lower redline RPMs (about 4500 RPM) than gasoline engines (about 6500 RPM). The reason is related to the combustion of diesel fuel.
However,...
- 14.5k
3
votes
1
answer
2k
views
Does E85 fuel increase oil consumption?
I have a 2003 Opel Meriva which I run on 50% gas / 50% E85. According to my own experience and Meriva forums, this is about as much ethanol as the engine can take without tripping the engine ...
- 2,642
3
votes
2
answers
247
views
Fuel Consumption Paradox
I've been trying different driving styles for a while now, in an effort to reduce my fuel economy and tank range. I've found that I get the best results when racing around, as opposed to driving ...
- 366
5
votes
4
answers
5k
views
Using regular unleaded gasoline in a Lexus RX330
Is it OK to use Regular Unleaded Gasoline in a 2005 Lexus RX330?
In the past I have used Super but am now using Regular. So far no problems.
- 71
4
votes
3
answers
242
views
What non-driver, non-terrain factors can affect vehicle miles per gallon?
I've been tracking the mileage on my 2015 VW Golf (a non-intercooled turbo, but not diesel, thank goodness). Of course, my driving habits and highway/city balance influence things greatly, but beyond ...
- 918
1
vote
2
answers
7k
views
How do I check if I have bad fuel in my car?
I just brimmed my 2003 Opel Agila to the tank (35 litres) with regular unleaded from Tesco (large supermarket).
On the way home, it just seemed to be completely gutless, and struggle a lot more when ...
- 6,555
2
votes
2
answers
1k
views
How to calculate the amount of consumed gas?
If we have the cc of the engine, and its running speed, how can we calculate the mass of gasoline in milligrams sucked in each intake stroke and the mass of gas consumed in a given distance, based on ...
- 977
2
votes
1
answer
13k
views
Moped dies when trying to give gas after filling up gas tank
My moped has been running just fine lately but after I put gas in it immediately started choking off when I give it gas. The tank was pretty close to empty when I topped it off. Is that the reason ...
- 21
3
votes
1
answer
58
views
Diagnosis: Gasoline leak
My grandmother has a 2002 Dodge Intrepid ES 3.5L.
Observations:
It is leaking gasoline fumes (not liquid; that I have found) after running the vehicle for some time and for about 30 mins to an hour ...
- 151
0
votes
2
answers
1k
views
Does using heat in the car SAVE gas?
Its well known that using heat in a car is almost free (see for example here). It is also known that using the heat can reduce the engine temperature which otherwise needs to rely on water cooling. ...
- 123
7
votes
1
answer
27k
views
Why is there a hissing noise when I open my petrol cap?
When I fill up with fuel, there is often a loud hissing noise, as if you are opening a bottle of fizzy drink or something whenever I unscrew the petrol cap.
It also seems like there are vapours ...
- 6,555
2
votes
2
answers
2k
views
Fuel gauge not accurate
This does not always happen but it has happened twice in last 6 months. My fuel gage is accurate most of the times but these two times it was showing that there is 10-15% gas in my tank but my car ...
- 287
8
votes
8
answers
8k
views
Why does a petrol engine need to maintain an air-fuel ratio, while a diesel engine doesn't?
This simple question has been bugging me for a while. The amount of fuel injected into a petrol engine is calculated according to the amount of air entering through the throttle valve (as measured by ...
1
vote
2
answers
3k
views
Half of my cylinders aren't firing. Is it safe to move my car to a garage (~30km)?
I am having some issue with my ECU or ignition system which I can't fix myself. Only two of my four cylinders are firing. Is it safe to drive my car to the official mechanic at 30km distance? Should I ...
- 111
5
votes
2
answers
258
views
Is it a good idea to top off the gasoline with higher octane fuel in a specific case?
When topping off the gasoline in a vehicle that is rarely driven (100 miles/month), is there any advantage in topping it off with a higher octane gasoline?
I've heard stories that the octane of ...
- 2,235
2
votes
1
answer
342
views
How can I determine if it is more cost effective to run premium fuel in my car?
Every Time I fuel up my car, I collect my odometer reading, fuel price, and gallons pumped. A while ago I drove my car to almost empty and put 93 octane fuel in my tank, ran it to almost empty and ...
- 29
18
votes
5
answers
12k
views
Why not use gasoline on diesel engines or vice versa?
I've read gasoline engines use sparks to ignite the mixture, but diesel engines use just compression which can't be done in gasoline engines due to high compression ratios which can cause engine ...
- 977
4
votes
2
answers
3k
views
Proper fuel type for Toyota Prius 2011
I have a 2011 Toyota Prius, and where I live there are only two types of gasoline: 90 and 95 (RON).
In the refueling section in the car manual it says:
"Use unleaded gasoline. (Octane Rating 87 [...
- 41
2
votes
1
answer
161
views
Would ethanol-free gasoline avoid damage related to low usage?
My Mom recently got a brand new Tacoma and the dealer told her that she might want to consider Ethanol-free gas as it would prevent the engine from becoming "jacked up" (damaged) if not driven for a ...
- 151
2
votes
1
answer
429
views
How much gasoline fuel to keep in tank of low use vehicle
For a low use vehicle, it was historically recommended to keep the gas tank full. The reasons were twofold:
Prevent rust from forming in the metal gas tank
Prevent water from forming in the gas tank ...
- 2,235
3
votes
1
answer
1k
views
Burn through old gas or mix it?
Vehicle has been sitting unused for 3 months with a half tank of gasoline.
Is it better to burn through that half tank of fuel, or mix it with a fresh half tank and burn through that mixture?
- 2,235
5
votes
3
answers
594
views
Evaporator canister purge system advice needed
1995 Blazer - 4.3 L Vortec V6 CMFI (vin W w/ PCM)
230,000 miles
There are no trouble codes. This is a OBD-I or 1.5 system from a GM transitional year (I have the OBD-II style connector).
I have ...
- 476
3
votes
1
answer
418
views
JLO Rockwell 2F600
I have an old hovercraft that uses a small aircraft engine in the front to power both the lift and forward propulsion. I was hoping to find any kind of manual or literature on the engine itself. The ...
- 31
5
votes
1
answer
818
views
Dust in gasoline
I noticed some dust in the funnel when I filled my car's tank in a an emergency. Is this dust harmful to the engine? Will the fuel filter remove it?
- 51
5
votes
2
answers
506
views
Old, oily, wet gasoline. What to do with it? [duplicate]
I have a small amount (less than a gallon) of gasoline that's been in a can for two years. It has oil mixed in for 2-stroke engines.
The can sprung a leak and rainwater leaked inside. Probably only a ...
- 662
1
vote
1
answer
66
views
Gasoline and Temperature
As you know gasoline expands and contracts volumetrically with the temperature. The state "seals" of approval only account by testing the volume at the time (and temperature) that they do this. You ...
- 131