About gasoline, diesel and other fuels.

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5answers
732 views

2007 prius premium gas or not?

I have a 2007 prius with around 125000 miles. my mileage dropped about a year ago. I had the fuel jets cleaned, but it didn't really make a difference. the dealer shop said it probably was the ...
10
votes
6answers
7k views

How to properly dispose of old fuel?

I have some old 2 stroke mixed gas I need to get rid of. This could also apply to old fuel removed from a sitting car or any vehicle for that matter. What is the proper way to dispose of this? Are ...
2
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0answers
337 views

High oil pressure in a marine engine

High oil pressure in my marine Perkins 4108 diesel showing 80 on the gauge, oil and filters recently changed, wiring checked and ok it runs an alternator to charge the batteries and when disconnected ...
2
votes
1answer
216 views

Peugeot 406 won't start in cold weather

I drive a Peugeot 406 2.0 HDI, 2001. This morning it was -13 °C (9 °F) and the engine couldn't start. First two times, I could hear the engine running, but the third time it died and my temporary data ...
2
votes
1answer
112 views

What is the difference between an intake manifold and a fuel rail?

I have read that intake manifolds distribute the fuel evenly to all the fuel injectors-- but then I read that the fuel rail did that exact same thing. So obviously I'm missing something. Help!
5
votes
1answer
93 views

'83 Mercedes 300TD will not start when warm

The car runs great when first started, great pickup, etc. However, if I stop and shut off the engine, it will not start back up. At times I can pump the accelerator 5 or 6 times and then it will start ...
6
votes
2answers
11k views

Why should the fuel petcock valve be turned to “Off” position when not using the vehicle?

It’s mentioned in the user manual of my motorbike, that when not using the vehicle, I should turn the petrol tap (the one that has three positions “On”, “Off” and “Reserve”) to “Off” position. I don’t ...
1
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1answer
282 views

BMW 33D 2001 no power problem

I have: BMW 330D, 2001 year, saloon, 135kw Recently I have change the turbo charger of my car. There was a problem related with this post. Then I went to the garage and they ran the diagnostics. ...
1
vote
1answer
854 views

Ignition switch or starter issues?

I have a 2004 ford f350 diesel and some very perplexing problems: The ignition won't turn over the starter yet the lights shut off when engaged (usually means the ignition switch is ok) but also the ...
9
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7answers
8k views

Diesel vs Petrol motorcars. Pro's and cons?

I realize this may be a silly question to those of you on here who are proper petrol-heads and this may even be a repeat question, but I could not find anything on it on here, so here goes: What are ...
1
vote
1answer
211 views

Engine reving and stalls after filling gas tank

Whenever I fill my car with gas, when I start my car the rpms start jumping and the car sometimes stalls. It's not from over filling because it happens even after adding only a few gallons.
2
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1answer
95 views

1986 VW Jetta Glow Plugs Not Getting Current

My 1986 VW Jetta seems to have a cold air sensor switch that isn't working. When I turn the key on and wait the little yellow light glows and then turns off just like it should but the plugs don't ...
3
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2answers
675 views

How to diagnose ABS problem (ABS light on) on a 1992 Volvo 940 turbo diesel estate?

The ABS light came on after car was not used for a few weeks and a new battery fitted. The ABS light is now on all the time. The garage can't find the diagnostic plug. Any ideas on either of the ...
2
votes
3answers
74 views

Alternate fuel for motor cyce

In some countries, Government mixes ethanol with petrol & diesel and distributes it to their consumers. This will save some of their imports. My question is Can I blend petrol with Zatropha ...
1
vote
3answers
185 views

recommended driving speed for maximum fuel efficiency

what is the recommended driving speed for a petrol car with manual transmission to have maximum fuel efficiency? in India AFAIK it is 60 Kmph
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2answers
137 views

How dangerous is it to carry oil/gasoil/gas at the back of one's car?

Does it present incredible risks in case of accident ?
1
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2answers
657 views

How much efficiency is robbed from 'pumping loss,' if any?

I'm specifically referring to the loss due to the pistons pulling air through a mostly closed throttle while cruising at highway speeds in a gasoline engine. To give an example, I've always wondered ...
1
vote
1answer
451 views

Diesel motor running slightly jerky on normal RPM after having the turbo repaired

I got my turbo repaired, the service told me that stopped working due to a sensor that had to be changed. It costed me a lot because they told me that the sensor was inside the turbo and it was hard ...
2
votes
1answer
474 views

Engine has become noisy

I have a 1993 Mercedes 308d. It always used to be fairly quiet, but recently the engine has started to sound quite noisy. Its OK when started then after it gets warm you notice when you come to a ...
3
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2answers
1k views

BMW 330D 2001 E46 Turbo Charger not working as expected after changing

I have a problem with my car. My car: BMW 330D, 135kw, 2001 year, E46. A week ago my turbo charger got broken when I was driving. There was a lot of white smoke going out of exhaust and there was ...
4
votes
2answers
765 views

2010 Toyota Corolla - pumping gas - the gas pump kicks off constantally

In another forum someone said "Screen down the fillneck may be partialy plugged up with matter." Is this something a neophyte can change or fix himself, or should I take it to an auto shop? How can I ...
3
votes
3answers
584 views

Is it feasible to Turbo a NA engine while maintaining 87 AKI octane fuel use?

I initially thought there should be a way to bolt on a small aftermarket turbo onto my naturally-aspirated Honda D17A2 (9.9:1 compression ratio) engine in my EM2 Civic EX without having to switch from ...
4
votes
2answers
3k views

Why does my engine perform poorly and get bad gas mileage after using fuel injector cleaner?

At the advice of someone at a local auto parts shop, I poured a bottle of fuel injector cleaner into my gas tank. This happened around the same time that I had a brake job done and rotated my tires. ...
2
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3answers
595 views

leak in rear-left of 1998 Honda CRV

I have a Honda CRV which is parked on a very very slight hill, nose up. There is a small puddle just inside of the rear-left wheel that smells like gasoline. When I crawl up under I can see some ...
6
votes
2answers
3k views

Why do head gaskets fail in diesel engines?

I'm considering the purchase of a 2001 VW Golf TDI "mechanic's special", so named because it apparently has a failed head gasket (white smoke). I'm not a mechanic but I'm fairly handy with tools and ...
4
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1answer
329 views

Biodiesel and DPF (Diesel Particulate Filter)

I read a little about DPFs and biodiesel. Some claim that there's a reduction in lubricity and/or viscosity of engine oil when using B30 or above. They warn about increased engine wear because of it. ...
2
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3answers
1k views

How can increase the fuel-efficiency of my vespa bike?

My factory Vespa bike can travel around 150 KM with its 200 CC engine and 8 lt. of gasoline. What are the suggested modifications to increase the fuel efficiency that one refill will cover? Without ...
2
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1answer
322 views

Refueling 2004 Toyota Corolla S Causes Problematic Starting

We've got a 2004 Toyota Corolla 'S' that, ever since we acquired it years ago, has problems starting when it is refueled. Basically, the engine will crank for a few seconds before finally taking off. ...
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0answers
136 views

Do products like Redex work? [duplicate]

Possible Duplicate: Are fuel system cleaners (like Gumout) worth using regularly? Do products like Redex, which state that they "[help] to stop harmful deposits build up on the carburettor ...
3
votes
1answer
177 views

Cleaning a Jerrycan

I have a couple of 10 Litre steel jerrycans which I used for draining kerosene (UN1223 28sec burning oil) from a tank. After disposing of the kerosene I left the open jerrycans upside down over some ...
9
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3answers
7k views

How do I safely siphon gas from a tank?

Our 2003 Windstar was recently totaled in an accident (everybody's ok). This happened the day after we filled the tank. Before we hand over the car to the insurance, we'd like to get the fuel out of ...
5
votes
2answers
1k views

Car is sluggish, jerking and idles rough.

I have a VW Polo Classic, 1.6L. Just recently it started to be slightly jerky when in idle and whilst driving. There is also a loss of power, a strong fuel smell, and sounding slightly like a VW ...
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4answers
1k views

Subsitute for Leaded Gas

I have an old '73 240-Z that I am fixing up in class. Once I get it running, will I need to add something to the gas? I know that old cars ran on leaded fuel, the lead lubricating the parts as it ...
2
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4answers
693 views

How can I increase the life of my diesel engine when my car does lots of small trips?

What things can I do to increase the life of my diesel engine when I make lots of shot trips in the car? My daily routine means that the trip to work goes via another destination which gives my ...
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3answers
225 views

Fuel efficiency and altitude

So a few months ago I moved from Colorado (~6400ft above sea level) to Florida (~10ft above sea level). Immediately after I moved the fuel efficiency in my car dropped significantly. Previously I was ...
3
votes
2answers
118 views

Can I use 10% ethanol gasoline on equipment that recommends against it?

Not as simple as the title suggests.. I wouldn't hesitate to drive a few more miles to find ethanol-free gas for the snow blower and generator, but there is none to be found. After looking around ...
2
votes
1answer
183 views

Starting the car with dis-functioning fuel pump

I have mazda 6 diesel 2003 136hp and a problem with a fuel pump. It seems that the suction control valve (SCV) needs to be replaced. The problem is that the car will not start and I have to go to ...
3
votes
2answers
774 views

Marine Diesel fuel filter vacuum gauge spiked — filters are new

I've got an 80-HP marine diesel engine (in a sailboat, naturally). I've got a the Parker/Racor 75500MAX dual fuel filter system with an attached vacuum gauge to monitor resistance. For the first few ...
2
votes
1answer
260 views

1999 diesel Ford fiesta not starting

I'm having trouble starting a 1999 ford-fiesta, diesel (EN engine), that would be mk4 of fiesta. What I tried (in that order) was: Changed fuel filter Tried starting spray (the engine seems to have ...
5
votes
3answers
139 views

I'm looking to buy a new car and I'm wondering what does more damage on a car: time or miles?

So the title is pretty self explanatory. I'm looking at getting a minivan, and there is a 2011 model with 50k miles, and a 2008 model with like 30k miles. What's better? Is it better to have ...
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1answer
174 views

Best brand of premium gas? [closed]

I just bought a car with a turbo engine that requires 91 premium gas. Out of the major gasoline companies like Shell, Chevron, BP, etc., is there one in particular that is better than the others that ...
4
votes
1answer
942 views

Is there a standard for how much fuel is left in the tank when the meter reads empty?

I know this question is very similar, but I am specifically talking about the fuel gauge and not an indicator light. Almost every car I've owned could run for quite a while with the fuel gauge reading ...
2
votes
1answer
216 views

Power Inverters as Emergency Generators?

After being hit by Hurricane Irene last week, I happened to loose power for literally one week so rather than rely completely on batteries and being a nomad, I used my Cobra 400 watt power inverter ...
3
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3answers
3k views

Determining how many miles can be covered on full tank [closed]

I'm interested in the following cars, but the questions apply equally well to any car: Audi TT Lexus IS 200 (SE or not?) I'm finding it difficult to determine the following: How do I figure out ...
3
votes
2answers
352 views

What is E85 gasoline and how can I avoid it?

My new mower says not to use E85 gasoline. What is E85 gasoline, why should I avoid it, and how do I know if I'm buying it?
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1answer
1k views

car sputters when accelerating and idle

I have a 1995 BMW 525i when accelerating car seems to sputter, but as you get up to speed and cruise its fine. I think it might be the fuel injectors. Where should I start?
5
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2answers
416 views

What does this device on a 1985 Mercury Lynx/Ford Export Diesel do?

I have a 1985 Mercury Lynx (Ford Escort) Diesel 4 cylinder. The device shown in the pictures -- below the starter -- has a hose connecting it to the radiator. There is another hose that is ...
5
votes
4answers
228 views

Is it even possible to buy gasoline anymore that does not contain ethanol in the US?

I can't remember the last time I went to a gas station and it didn't have a notice that the gas contained some quantity of ethanol. As I understand it, ethanol is harder on my engine than regular ...
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1answer
227 views

Diesel engines maintenance [closed]

Diesel engines are more complex than their petrol counterparts. What are the basic diesel engines maintenance must-dos?
3
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1answer
1k views

Is it possible to use biodiesel in a BMW 335d if I remove the DPF and remap the ECU?

The new (2009-current) BMW 335d sells in the U.S. with a DPF to reduce emissions, but which prevents the use of biodiesel. I've read about people removing the DPF and re-mapping their ECU to get ...