Questions tagged [gasoline]

Colloquial term for 'gasoline', a liquid petrochemical refined from crude oil and used in internal combustion engines as fuel.

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3answers
272 views

Is it feasible to remove ethanol from gas using water?

I've read in several places online that ethanol can be removed from gasoline by adding water, mixing vigorously, and allowing the water and gas to separate. From what I've read, it seems that ethanol ...
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1answer
639 views

Emission High CO and High Lambda

It fails at 2500rpm only with CO 0.5~0.6 and Lambda 1.04~1.05. How can it possible be that emission fails because of HIGH CO, and HIGH lambda reading... It means that engine runs rich and lean at the ...
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1answer
88 views

Can a gas car engine run on pure octane booster?

Can a gas car engine run on pure octane booster? This guy experimented on lawnmower engines and concluded they ran very well on octane booster, but can car engines run on pure octane booster?
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Can I safely use two year old gasoline?

I have half a full tank of gasoline (95 octane) for a 3S-GTE engine (fuel injected, four cylinder). This is on a car that has just been sitting still. Can I safely run the engine on this gasoline? ...
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3k views

Should diesels in general be run at higher rpm than gasoline cars?

I have always had gasoline cars, for which it appears (based on advice from other motorists and from fuel consumption meter), that it is advisable in general to run them between 1500-2000rpm. Going ...
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1answer
48 views

Maximum liters capacity (petrol,diesel) for a four wheeler Car [closed]

Can you specify the maximum liters capacity in petrol fuel input of a four wheeler car for any make & model? Can the maximum liter capacity of that four wheeler car make & model be increased ...
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1answer
53 views

Citroen C3 2006

I have a Citroen C3 2006 petrol engine that for some reason it never been used from new. It only have 33 km, it was stood all this time, obviously without battery. Now we are trying to start it but it ...
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1answer
141 views

Loss of Power and increased engine knock in my 2011 Ford Ranger Truck. Bad Gas or Bad Oxygen Sensor?

This past summer I've been noticing that my truck is not making the same power as it used too and I've noticed a pronounced increase in engine knock (detonation). The detonation usually occurs when I ...
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1answer
64 views

Gas consumption when engine braking [motorcycle]

I am trying to figure out how much gas an engine uses when engine braking in a four-stroke engine (motorcycle). I understand that the gas consumption should be close to zero because the wheels are ...
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1answer
2k views

Bike stops Suddenly after 2 to 3 Km

I have a Royal Enfield 350 Classic,15000km and 4 years old. These days I am facing a problem ,it stops after a few kms. I was on highway and it stopped so I visited a mechanic he said there is water ...
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2answers
208 views

Problem with float height on a Honda CB400T

I might have a problem with the float height on my CB400T from '78. It seems to be running rough at a constant speed, however when i accelerate it'll go away until constant speed again. It's like ...
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4answers
3k views

Does fuel go bad after some time?

I have my bike (bought in mid-2019) sitting idle for over a year due to covid, as I went back to my hometown and left my bike in my office parking. Before leaving I refueled by bike with premium fuel ...
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32 views

Vauxhall Astra intermittent engine problem

I have a 2015 Vauxhall Astra (petrol) with a strange intermittent problem, hoping someone might have experienced something similar. The car lost power and stalled after driving perfectly normally. It ...
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8answers
6k views

Do cars consume less gasoline when the tank is full?

I noticed While driving my car the fuel refills last me a lot longer when I go for the full tank over the half tank. I feel that it takes a lot longer to go through the upper half of the tank than the ...
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3answers
42k views

Did I damage my two-cycle engine by running it without oil?

I wanted to clean out the carburetter of my 8 hp outboard. The mechanic advised strong Seafoam mix, so I used 1 gallon of gas with 16 ounces of Seafoam. But I forgot to put any two cycle or oil in ...
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1answer
1k views

2020 explorer will not fill up

My 2020 ford explorer will not let me fill up. I tried to fill up yesterday and it only let me put 0.336 gallons in and it started spitting it back out. I only have between three quarter and a half in ...
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4answers
4k 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.
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5answers
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Haven't driven a car since the start of the pandemic; can it be driven without special measures?

Because they're older, my in-laws have been in quarantine since early March and haven't driven their car at all. It's been sitting in the driveway in New Jersey (USA) the whole time, in mostly above-...
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0answers
24 views

Hyundai Sonata not filling up with gas all the way after fuel pump replacement

So about two months ago I replaced the fuel pump in my 2012 Hyundai Sonata gls. When I picked it up and went to get gas it filled up to one bar below full and wouldn’t take anymore gas. For the last ...
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2answers
6k 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 ...
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89 views
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43 views

Should you use gasoline on cylinder head gasket

I'm an amateur mechanic. Recently I met an experienced car mechanic and he told me that if I dip a new out of the box cylinder head in gasoline mixed with engine oil for a couple of hours, it would ...
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1answer
48 views

A single spark plug out of 4 (4cyl 1.4 MPI endine) keeps getting carbon buildup

A single spark plug out of 4 on our 1.4MPI engine keeps going dirty from carbon buildup. This causes engine issues (losing power). After being cleaned it's fine for a while, but the issue returns ...
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3answers
106 views

Smell of gasoline from inside the cabin of my Nissan N15 Pulsar 1998

My Nissan Pulsar (N15) 1998 has been smelling a bit like gasoline from within the cabin, which I think (bad memory) only occurs during my morning commute to work. It is cold but not that cold (10 - 15 ...
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1answer
72 views

Why is fuel going down quicker than expected giving miles driven?

Given the pandemic lock downs and such I've been using my car less, maybe 2 times a week and when I do drive it is for short drives, 5 miles or less usually. But it seems like each time I get in my ...
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1answer
11k 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 ...
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1answer
67 views

Does weekly use of vehicle decrease concerns about gas going bad?

It's recommended to use fuel stabilizer for long-term storage. The instructions for stabilizers say to run engine for a while to properly mix with fuel and protect entire system. Does regular use ...
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1answer
97 views

Ran 2 cycle without mixed gas :(

So I just purchased my first outboard boat motor. It’s a 9.9hp 1997 Mercury. I should have known better but didn’t realize I needed to run 2 cycle gas. So I ran it for about 15-20 minutes total. ...
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1answer
3k views

Can I mix RON 97 fuel with RON 95 fuel in my car? [duplicate]

sorry for asking a noob question. My car uses unleaded petrol car. I have been using RON 95 fuel in my car. It is half tank full. Now I got £2.80 discount on Shell V-Power. Can I pump RON 97 fuel (...
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0answers
50 views

Cracked block - replace just the block

I have a GM 350/5.7 marine petrol engine. The block has a large crack due to freezing. The engine itself doesn't have that many hours on it, so the other parts should be quite OK. Is it possible to ...
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3answers
6k views

Wrong octane fuel

I have a 2014 Fiat Punto and have been using 92 octane gas. I have never read the manual, but am now told I should use 95. Should I use what is in the tank before filling with 95 or is it OK to mix ...
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0answers
180 views

fuel consumption worse with rebuilt engine

I recently had to replace my motor in my 2013 dodge ram 1500 sport. they put in a rebuilt motor and i have noticed I am having a hard time with fuel mileage, on my motor that came with the ram I could ...
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1answer
120 views

(Why) is it dangerous to leave the engine running while refueling?

I searched the web and I searched this Stack exchange and I've only found answers that seem to apply at all times (static electricity is always possible, and the engine doesn't cool THAT much in the ...
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3answers
634 views

Effects of using diesel fuel in a gasoline engine

This is similar to this question but I'm more interested in possible long-term effects. The story is we think my son (new driver) accidentally put diesel fuel in his 2005 5.7L Hemi engine. Luckily ...
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0answers
19 views

How to measure Engine capacity [duplicate]

Engine capacity, is it right to measure it in this way,,, example : 2ltr is the amount of fuel consumed at a right rpm at 100 km /hr for 10 kms as per 2ltr capacity. Someone confused my mind I don't ...
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1answer
1k views

Is stale gas a real problem with plug-in hybrids?

Due to environmental considerations, I am planning to purchase a plug-in hybrid electric vehicle when the vehicle I want becomes available (RAV4 Prime). However, I am concerned of the gasoline in the ...
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0answers
149 views

Crystals forming on fuel filter after removal

I recently replaced my fuel filter on my Mitsubishi Mirage (1994, 4G13, 95000Km). After having replaced it crystals (white, <2mm) had formed on both the inlet and outlet pipes. It was ~10°C at the ...
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1answer
72 views

Is this epoxy? And does it look like a professional repair or DIY?

Howdy! So I have a 2016 VW Jetta with a leak in the gas tank. I think I found the hole, which is in the dark spot in the photo, but my question is this: is the yellowish material around the dark spot ...
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0answers
248 views

Mechanic said I put wrong fuel on my car, I know I didn't. What can I do? Who is to blame?

I have a Toyota Yaris hybrid from 2018. Last saturday my tank was half-way full, but I had to buy some things at the gas station and decided to purchase 7 or 8 litters of unleaded gasoline (10 euros). ...
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2answers
25k views

Sputtering at low rpm and massive loss of power, sudden onset and persistent

Vehicle: 1994 Nissan Sentra GA16DE engine 4-speed automatic transmission 298,400 km Recent Work (3 months ago): spark plugs spark plug cables distributor rotor distributor cap cleaned K&N ...
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1answer
168 views

What should I expect as result of a firmware update fixing NOx emissions in a gasoline engine?

I received an invitation from Peugeot asking me to bring a 2018 naturally aspirated gasoline engine Peugeot 208 (61 kW) to the workshop for a firmware update fixing lamba sensor management which ...
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1answer
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 ...
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1answer
43 views

Will my car be affected by the cold winter temperature? [closed]

As winter comes the temperature will get colder and colder. Will this affect my car? I want to be prepared for any problems that will cause any start up problems or driving problems. Thank you.
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1answer
720 views

Is it bad to rev the engine on a hybrid car / What will happen?

I was wondering, is it bad to rev the engine on a hybrid car? Also what would happen if I did rev the engine. Would the battery be used or would the gasoline engine start.
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2answers
841 views

I put E85 gasoline into my non-flex-fuel car

Yesterday I filled my 2009 Chevrolet Cobalt's tank with E85 gas. I saw it was the cheapest at the pump, so I used it (bad idea). I then used a little more today (like 1.5 gallons) until I just ...
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0answers
33 views

Bmw N52N Lambda probes madness

Owner of a BMW E60 523i LCI Automatic (N52N engine. aka N52k). 105000 Kms on the clock. The error codes below after deletion, re-appear after 300~400 Kms. It is theoritically impossible for 4 lambda ...
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1answer
66 views

2003 chevy silverado 2500 hd no power [closed]

no power to head lights cab lights ignition or steering column the battery has 12-4 volts coming out of it. tried jumping with another car and nothing happened.
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5answers
174k views

How long will gas stay fresh in a five gallon plastic container

How long will a 5 gallon plastic containers of fuel stay fresh?
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7answers
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 ...
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1answer
10k views

Convert diesel engine to petrol (gasoline)

One of my reasons for buying a diesel was environmental -- I thought it would damage the planet less. It seems I was mistaken. But could a diesel engine be converted to petrol (gasoline)? Obviously ...