About gasoline, diesel and other fuels.

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43
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9answers
7k views

Does the amount of fuel in the tank matter?

As long as there is some fuel in the tank, does the fuel level matter? In other words, is it advisable to make sure the tank is mostly full most of the time, or is this just silly? In other words, are ...
0
votes
0answers
15 views

Are there any unbiased test results for Run-Rite products?

I recently had a tuneup done at a drive-in oil change company. They recommended (and I went for it) that I get a Run-Rite fuel system cleanup. This consists of an oil additive which is supposed to ...
5
votes
6answers
3k views

what can be the reason my old diesel Mercedes won't start?

The vehicle is a Mercedes-Benz T1 model 308D. The engine is an old Mercedes-Benz OM601.940 4-cylinder indirect injection 58 kW (79 hp) 2299 dm3 diesel engine from year 1992. It's not a turbodiesel! - ...
3
votes
2answers
77 views

1987 Ford Ranger fuel gauge not working right

My fuel guage will work but when it gets to half a tank it will drop to empty with in a few minutes but still has gas in it.
5
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2answers
1k views

What happens if you put the wrong kind of gas in your car?

I (like most people) just use regular unleaded gas in my car and always have. But once I accidentally put in the premium kind, mixing it with the unleaded that was already there, and I thought for ...
1
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2answers
78 views

I have an issue with Stepping on gas and no increase in speed

It only happens rarely.. but sometimes when stepping down the gas it would suddenly max out the speed gauge, and you hear the very loud engine noise as if i stepped down the gas all the way, but what ...
5
votes
3answers
122 views

Is the fuel in my engine under pressure?

I have a 2008 Seat Leon FR TDi and need to change one of the fuel pipe (which has become torn slightly). The hose is ~ £50 + VAT so I am keen to do it correctly. Can anyone advise if the fuel in my ...
6
votes
2answers
4k views

Test Gasoline for Water Content

I live in a small town, and the Gas station there has a bad reputation for gas quality. With rumors like peoples gas tanks freezing solid and such. Is there a quick, safe, cheap way to test for ...
1
vote
2answers
38 views

Fitting secondary fuel filter

My 2005 Daihatsu Copen has a "lifetime" fuel filter, inside the fuel pump housing, located in the fuel tank. I am wary that, over time, crud will get sucked up by this filter and saturate it. What ...
33
votes
5answers
36k views

How long does it take for gas to go bad?

Approximately how long does it take for unleaded gasoline in the tank and fuel lines to become unusable in a car that is not being used? What causes this, and what can be done to prevent or remedy ...
1
vote
0answers
58 views

vauxhall vectra cdti sri 150 running problems

I recently had low fuel pressure problems with my cdti. I took it to a garage and got the high pressure pump changed. After that it started no problem but after 15mins of it running, it started ...
1
vote
1answer
115 views

Hyundai Tucson Diesel 2.0 2008 - Difficulty Starting

Hyundai Tucson Diesel 2.0 2008 and takes at least 4-5 attempts to start before it idles badly for about 10 seconds and then is fine. Doesn't die at the traffic lights, no problems at all otherwise. ...
2
votes
1answer
77 views

Will a 1973 Oldsmobile Delta 88 reliably run on home distilled alcohol?

I posted a question at a sister site; Why use steam instead of alcohol in Army of Darkness? It is suggested in the comments and an answer that without major modifications the V8 in the Oldsmobile will ...
3
votes
1answer
74 views

Are there any modern diesel engines the require electricity to continue running?

I was reading this question about an owner checking the alternator by disconnecting the battery, which is an easy way to validate on a gasoline engine. The single answer assumes that the OP is ...
0
votes
3answers
213 views

How do I correctly monitor the fuel(diesel) in the automobile?

This is my first question in mechanics.stackexchange.com. I am a computer programmer and work in Location based services. Along with GPS monitoring, I want to give the clients , a proper manipulation ...
2
votes
1answer
90 views

Can I use ethanol instead of petrol in my car?

I have a 2001 Ford Focus (EU/UK spec) and I'm planning a road trip to Europe. My research shows that they serve up something called E85 at their petrol pumps in addition to petrol and diesel. I've ...
0
votes
1answer
39 views

Is the Progressive Snapshot worth the money? [closed]

It looks fairly easy to setup and use but can this hurt me? Also, does anyone know how much data they actually store? EDIT: According to the customer service representative: "Snapshot is a discount ...
3
votes
1answer
143 views

Should I run my generator dry in preparation for storage?

I think this is on-topic after reading the FAQ, so I figured I'd go ahead and ask. I gave my gas generator its scheduled 3-month interval "workout" last night, and after letting it run for about 30 ...
2
votes
1answer
83 views

How to remove air from the fuel line in a MK2 Seat Leon TDi

I have just changed two of the fuel hose (white and blue tipped ones) that lead to the fuel pump. The reason I changed them was because one of them was split and slowly leaking fuel. I have came out ...
4
votes
4answers
865 views

Does the tachometer provide any indication of fuel usage?

So, I'm driving along on the highway with the A/C blasting when I notice the price of gas. It makes me think, "what can I do to increase my fuel efficiency?" Some of the tips I've heard have included ...
0
votes
0answers
38 views

Remove dark layer of particles stuck in Diesel engine tubes?

My BMW E36 M41 engine seems to have a dark dust in the small tube that goes out from the EGR valve. (the other tube contains a sort of dark liquid...) Is it advised to cleanup that dark matter ...
0
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2answers
31 views

Gasoil and fuel are known do contain a lot of undesirable wastes. Worth filtering them before use?

Is it worth to filter the fuel / gasoil we buy from the fuel station before putting it in our car ? Filterings may include - removing small particles - removing the water that might be in the fuel - ...
3
votes
1answer
168 views

2000 Honda Civic Dead Fuel / Temp Guage

I am having a problem with the Fuel / Temp Guage on my 2000 Civic. I just bought the vehicle second hand, it came with the original Dash Cluster and another one swapped from another civic, which ...
3
votes
2answers
117 views

What will happen if there is something else also with petrol in car

Today someone broke my car fuel outer case and taken out fuel. I came home by driving but then i have now one doubt in my mind. What if he put something else in tank like water, sand, etc in there. ...
5
votes
5answers
18k views

Racing Fuel (100 Octane Rating) - Better than Premium?

Earlier today while driving out East on Long Island I stopped to fill my tank with gas, and at the station, all the pumps had the usual Regular, Mid, Premium on one pump, but on the 2nd pump which ...
1
vote
2answers
9k views

How to extend the life of the dual mass flywheel in a diesel engine?

I am looking for ways to improve the life of the dual mass flywheel (DMF) in my 2005 Ford Focus tdci. I have heard that they can wear out quite quickly on the Ford Focus if they are driven in city ...
4
votes
2answers
135 views

Can I use a CNC machine or waterjet to make an adapter plate to adapt a 5 speed transmission to a rare, obsolete engine?

I am the sad, proud owner of a Nissan SD33T (Diesel), mated to a 4 speed T-19. The power this engine outputs (101HP, 160#/TQ stock) means it struggles on the highway, and I don't want to sacrifice my ...
2
votes
2answers
80 views

Toyota Sprinter does not specify octane rating

I have recently acquired a 1999 Toyota Sprinter (Japanese domestic import). I realised that the engine "ping" so someone recommend to use 90 Octane petrol. I went through the manual but it only says ...
2
votes
3answers
276 views

2002 pontiac grand prix gtp fuel consumption

Just recently my sending unit has broke on my gas gauge and I filled the car with gas and I am wondering if anyone knows aproximately how many km on the odometer can I go with a full tank of gas just ...
1
vote
2answers
230 views

Jetta repair forum [closed]

I recently came into possession of a 204 Jetta, in need of an unknown amount of work. I'm looking for a good forum to learn about the various vehicle parts a repair guides. I am not very ...
2
votes
2answers
555 views

2008 VW Golf - no ignition lights on dash

I have a 2008 Golf 2.0 TDi GT with no ignition lights on the dash. I put the key in the switch and turned but nothing happened. The battery is fully charged, the key fob has a new battery and ...
9
votes
5answers
5k views

How to improve fuel economy in high-mileage car?

I'm driving an 2003 Acura TL 3.2 with 177K miles on it. I bought the car with 110K miles on it. It seems to me that the car is not getting the same fuel economy that it did when I acquired it. I ...
2
votes
3answers
298 views

VW Jetta II - engine misfires when climbing a hill

This is a VW Jetta made in 1984 with 1.6L petrol engine (code "EZ"). It starts OK (though if it has been a wile since last start, it takes some cranking to start the engine), but when climbing a hill, ...
5
votes
2answers
290 views

Is it okay to run aviation fuel (100 low-lead) in a dirt bike?

I'm wondering if it will be okay to run 100 octane low-lead aviation fuel in my 2007 RM250 motocross bike (two-stroke). Half of the people I've asked say yes, while the other half say no. Will it be ...
0
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0answers
22 views

Will premium gas give me extra benefit? [duplicate]

My car: Toyota Camry 1994 LE, 4 cyl, 4 door sedan, automatic 127000 miles. Will buying Shell premium gas give me extra benifit?
0
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2answers
184 views

Can an engine be 'too lean' at 0%/closed Throttle?

This is regarding an argument I'm looking to settle with my friend, over in particular a Triumph TT600 motorcycle. When off the throttle and above 6k RPM, the engine will 'hang' at 4.5k-5k for a few ...
4
votes
2answers
153 views

Proper fuel for motorcycles?

I've heard that regular petrol (92 octane ULP) from some fuel companies is not good for motorbikes as it is intended for cars only. Is this just an old wives tale?
4
votes
2answers
3k views

Can I use lower octane fuel at high elevation?

Here in Colorado, gas stations sell "regular" gasoline which is rated at 85 octane ((M+R)/2). In most of the rest of the US, 87 octane is the lowest grade available. (As noted previously, higher ...
0
votes
0answers
30 views

Is there any disadvantage of shifting to Neutral at high speed? [duplicate]

I would like to confirm whether shifting the vehicle to Neutral while at high speed in order to stop the vehicle is bad or not in terms of fuel efficiency. I had a word with some of my collegues and ...
2
votes
1answer
1k views

Filling diesel vehicles - Vent trick

According to this site it is possible to get more diesel fuel in your tank by pressing in the vent latch on the filler neck: Look inside the filler neck and you can see a button, see below for ...
3
votes
2answers
444 views

VW Golf 2.0 SDI (2005) - smokey when pulling away

Over the last 12 months I have noticed that as I pull away and put my foot down a little more, there is often a bit more of a cloud of smoke left behind. Its not thick smoke but still it seems like ...
3
votes
1answer
105 views

Check engine light between 1300-1800 RPM

I have a 1995 gmc Sierra hd with the 6.5L turbo Diesel engine in it. I just recently bought it and when ever I hold around 1300-1800 rpm the check engine light comes on, when I take my foot off the ...
2
votes
2answers
136 views

SB350 cutout at freeway speed, revs fine in neutral

Was hoping someone could help me out with an issue I'm having since I'm running of ideas... In case it helps, its a 71 Nova with a small block 350. Carbuerated and HEI, without any computer chips or ...
3
votes
1answer
57 views

Why wasn't my engine getting fuel?

This is a 1975 Ford F-350. It has been sitting idle for 6 months, and is rarely used. Normally, when I try to start it after sitting for a long time, it takes a bit of cranking before it starts. I ...
2
votes
1answer
407 views

How do I troubleshoot an old two-cycle engine that stalls after idling for 20 seconds?

I have a craftsman trimmer that I've not used in years. I'm using semi-old fuel mixture so I definitely know that may be contributing but I think this happened when I was using it prior to this. ...
1
vote
1answer
72 views

What is an effective way to clean up gasoline spill?

My gas tank started leaking and left a rather large area covered in gasoline. What is the best way to remove the gasoline from the ground? This is pavement. I covered the stain in kitty litter and ...
7
votes
3answers
2k views

Cleaning fuel injectors?

I took my car (2006 Honda Civic) to firestone to get an oil change and they told me I should get the fuel injectors cleaned. I was in an Advanced Discount Auto Parts store the other day and I noticed ...
3
votes
1answer
1k views

2000 VW Golf TDi (Mk. 4) grey smoke from exhaust before engine has warmed up

I have had my Golf for 8 years. It’s had good maintenance and a the record is kept by my dad. It’s just passed its MOT (Ministry of Transportation) test, and the mechanic mentioned that the tappets ...
6
votes
3answers
4k views

Is high octane fuel a requirement for high-compression engines?

I own and use a 2005 Chrysler Crossfire SRT-6 as my daily commuter vehicle. I'm not interested in trying to eek out a few extra miles on a tank, I want to keep the vehicle and its engine running as ...
2
votes
1answer
329 views

What can cause gas to blow back into air filter in a motorcycle

I have a 1987 kawasaki ninja. I've had it for two years and it ran good until this year. When I started it this week, gas started to flow back into air filter box. Has anyone ever encountered this? ...