Fuel system covers the components of a car responsible for fuel delivery; tanks, pumps, filters, pipes. Questions on carburettors and injection systems have individual tags

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1answer
270 views

Does the air screw only affect the pilot jet?

I have a 2 stroke motorcycle, it's Kawasaki KR150. When I try to do some jetting on its carburetor (it's Keihin PWL26), I saw that there's an air screw. So now I've been wondering about this air ...
10
votes
2answers
5k views

I accidentally fueled my car with E10 (10% ethanol). What should I do next?

So I have a 2000 Honda Civic LX that is around 130k miles now. In Las Vegas, I put E10 (I hadn't known what it was before this...), and had to get it fixed. The engine light had started blinking and ...
5
votes
3answers
5k views

What happens when you run out of fuel?

My question is specific to diesel or gasoline (petrol) engines. Many people told me that it is very bad to run out of diesel since it can damage the engine and it's difficult to re-engage it ...
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votes
4answers
855 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 ...
1
vote
0answers
39 views

no fuel pressure after changing fuel regulator

I own a 2001 blazer 4.3lt 4 door 4wheel drive. I was having a hard starting problem several attempts to start before it would run on a few occasions it would back fire through the intake manifold. ...
1
vote
1answer
377 views

Car stalling in the morning

So I have been dealing with an elusive CE light and some shaking of my car for a while now. For a while it was just shaking occasionally, I thought it was a moisture problem, but that doesn't seem ...
5
votes
2answers
727 views

BMW 530xd E60 2008 diesel possibly fuel pump problem

Car details: BMW 530xd E60 2008-05 Diesel 170kw. The pump is working as it should be, it has been tested in BMW center. Problem is, when I turn the ignition on, the check engine light doesn't come ...
7
votes
3answers
14k 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 ...
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0answers
9 views

2004ToyotaTundra sitting 10 months [duplicate]

my 2004 Toyota Tundra (8 cyl) has been sitting for 10 months with about 7 gallons of gas in fuel tank. Should gas be removed before starting truck?
4
votes
2answers
424 views

What is this pipe coming out of the petrol tank under the seat

Sorry, this is a newbie question, but what is this pipe coming out from the petrol tank under the seat? The bike is a 1989 Kawasaki ZZR 250:
5
votes
4answers
17k views

Diesel Engine difficult to start

I have a diesel powered Audi A4 B7 (2006) 2.0TDi (the 170BHP variety) with a manual gearbox, which I've owned for around 18 months. The car has just short of 100k miles and has a full dealer service ...
3
votes
1answer
154 views

Old gas in 2 cycle engine

I have a 2 stroked engine that sat for over 2 years. I drained the gas and can get it to turn over when I put starter fluid in the carb. it is blowing out a water substance from the muffler and cuts ...
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0answers
146 views

Ford Fiesta Mk6 Diesel Engine Fault

Upon acceleration the following lights illuminate once the engine reaches 3000-4000 RPM: A message; "Engine Fault" appears on the dash screen. Once this happens, the engine will no longer rev ...
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votes
6answers
10k 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 ...
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vote
2answers
2k views

Exhaust Flame Kit

I have been searching over the past week or so trying to educate myself as much as possible before going ahead and trying to build an exhaust flame kit from scratch (the ones on sale on the internet ...
3
votes
0answers
22 views

Ford Expidition Eddie Bauer 4.0 v8 2003 automatic rpm goes high

When driving, sometimes when I want stop the vehicle, I go to press the brakes, but that time engine rpm goes high, keeping brakes pressed hard, after 5 second engine becomes normal. It goes high when ...
5
votes
3answers
11k views

Why can't I fill my gas tank in one go?

For the past couple of months, I've been having trouble filling my gas tank. I have a 2003 Hyundai Elantra, which has a 55-liter tank (approximately 14.5 US gallons). When I buy gas, the pump clicks ...
4
votes
2answers
527 views

2003 Ford Escape..strong fuel smell

2003 Escape 3.0L V6 149,000 miles 4x4. Three weeks ago a very strong fuel smell coming from rear of vehicle after I park it. Don't smell it anywhere else. Replaced the original fuel cap with after ...
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votes
1answer
123 views

1998 Honda xr650l starting problem

I have a 98 Honda xr650l it won't start ,it only starts when we attach a fuel pump to it(easily).when the fuel pump is removed it won't start again but it's not made to use a fuel pump we took down d ...
3
votes
1answer
213 views

Engine sputtering, not accelerating. Left for 20 mins and is now fine?

The car is a Mk1 Golf (1993, 1.8lt, mechanical injection). I was driving up a medium incline and suddenly my car starting sputtering and I lost acceleration. I pulled over and started the engine ...
2
votes
1answer
82 views

2005 Ford Explorer XLS Sport, Random Hesitations and Die Offs

I have a 2005 Ford Explorer XLS Sport edition with just under 80,000 miles on it. It does have a warranty on it via my financing company however it's a bit out of pocket for it so I'm hoping that with ...
3
votes
2answers
149 views

'01 Lexus IS200, do I need a new fuel filter?

My 2001 Lexus IS200 is about to hit 100 thousand km and I am about to change the oil, oil filter, air and cabin filters. My question is, do I need a new fuel filter this early in the life of the car? ...
3
votes
2answers
55 views

Forgot to use stabilizer with motorcycle

I forgot to fill my motorcycle tank with stabilizer and now it is way to cold to ride. Should I still put the stabilizer in it? I read the instructions and it is not recommended to use it if the ...
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votes
3answers
460 views

Why my car is using too much gas?

I have Toyota Corolla 2003. It is using too much gas. What are the possible problems that need to be solved? Is it a problem in intake the manifold or in the exhaust system or something else?
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vote
0answers
77 views

Missing/rough idle at fist start or when parked for over 4 hours

I have a 99 Honda Accord. It has a miss/rough idle when its parked for more than 4hrs maybe, but specially in the mornings. It's only at the first start, after that it runs normal. I have changed ...
1
vote
1answer
53 views

Best way to clean injectors that are free from the engine block?

I'm replacing the O-rings on my injectors (Mk1 Golf - K-Jet mechanical injection) and so will have them free from the engine block. I thought I should clean them at the same time. Is there some ...
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votes
3answers
3k views

Methods of diagnosing a non-starting Fiat Uno

I have a little Uno inherited from my dad. Just before he passed away he was having trouble getting it to start, and before that, having it die on a drive somewhere, even close. I would now like to ...
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vote
1answer
96 views

Carburettor Cleaner Additive? how good are they

I'm just wondering whether anyone has any experience with fuel additives that clean injectors and carburetors. I have an old motorcycle that starts, but can't keep it self running for long before it ...
11
votes
9answers
10k 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 ...
7
votes
3answers
3k views

Difference between high octane and low octane?

What is the difference between high octane and low octane fuel? I'm not asking if one is better than the other for my vehicle, specifically, but rather what occurs differently both scientifically and ...
3
votes
2answers
744 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. ...
4
votes
3answers
5k views

Could a faulty fuel level sensor cause a vehicle to stall?

I have a 2007 Hyundai Santa Fe with just over 90,000 KMs and recently the fuel gauge started to fluctuate wildly. I had the sensor's replaced and filled the tank and it only showed half full. So one ...
0
votes
1answer
141 views

Blue smoke upon acceleration and pinking

I have a Y12 Wingroad Nissan. While driving at 100km/hr and I stop, and begin driving again, I see a lot of blue smoke from exhaust for a little while. I also get a flat spot and pinking when ...
3
votes
2answers
466 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?
2
votes
2answers
154 views

00 honda accord ex 3.0 coupe fuel pressure problems

My car was caught in the flood that we recently had about a week ago in west phx, az. My car starts, runs, but in the flood my car got water in the oil pan, tranny, so I gave it an engine flush ...
3
votes
1answer
3k views

1991 Chevrolet S10 - Sputtering, hiccups, stalling, bad acceleration

I'm having a problem with my pickup; It's a 1991 Chevy S10, 2WD P/U, 2.5L I4 engine with around 185,000 miles on it. It's the Iron Duke engine, a throttle body injection motor. I'm not a mechanic, ...
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vote
0answers
153 views

How do maintenance costs compare between gas and diesel engines?

Our landscaping company is going to purchase a new medium duty truck. We have diesels and had just defaulted into looking for another diesel powered truck. However the mechanic we use (and trust) said ...
2
votes
2answers
177 views

Mercedes 2.7CDI C Class 2004 Hard Starts

My 2004 2.7CDI gives me a hard start when I am starting it the first time in the morning after parking it over night it but works and starts perfectly thereafter till the next morning. The fault does ...
5
votes
3answers
3k views

Car stalls when braking (VW Mk1 Golf)

I have bought a Mk1 Cabriolet that has been sitting for over a year. I am trying to get it road worthy. So far so good, but I am having an issue with the engine and braking: The engine stalls when I ...
1
vote
0answers
32 views

Diesel Engine throwing fuel from last engine pipe when engine starts

I have 2002 Hyundai Accent with diesel engine. It is throwing diesel from engine when gives speed. It sprays lots of oil from last diesel pipe. And in neutral when I start the engine. Its throws a ...
3
votes
1answer
791 views

Possible fuel filler leak in F-150 truck

I have a 2001 Ford F-150 pickup. When I refueled it yesterday, I noticed a strong gasoline smell and an oily liquid (presumably gasoline) dripping down off the bottom of the fuel tank. Only a small ...
51
votes
9answers
20k views

What are the benefits of premium (high octane) petrol?

Here in the UK it's common for petrol (gas) stations to offer both regular and "premium" unleaded petrol. The premium stuff is (naturally) more expensive, and I've often wondered what the actual ...
4
votes
8answers
12k views

When given a choice between octane 89 and 93, which should I choose?

I just recently got a 2005 Volvo S40 with a turbo engine; I want to take good care of it, so naturally, when the instruction manual recommends 91 octane fuel but says it takes a minimum of 87, I have ...
6
votes
3answers
26k views
7
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2answers
6k views

Power loss in truck - triage options?

I've asked at least one question about my specific situation earlier, but at this point, I'm looking for information on how to operate in triage mode, my primary goal is to get my truck working well ...
1
vote
1answer
91 views

What does 'M10 x 1.00' mean when referring to fuel injectors?

I need to replace some fuel lines (from the injector control to the injector) on my 93 VW Cabriolet. The site that sells the lines has 2 options for the 'Injector Size': M10 x 1.00 or M12 x 1.5. I'm ...
2
votes
1answer
2k views

Symptoms of a clogged fuel line (pump runs but engine not starting)?

I removed the in-tank fuel pump from my '93 Golf Cabriolet to fix a fuel gauge issue. I noticed a small tear in the mesh filter that goes over the intake nozzle of the pump. I replaced the pump but ...
6
votes
1answer
229 views

Why are V engines less smooth?

I'm learning how to ride a motorcycle on a Suzuki Gladius SFV650, with a V-twin engine. But I also had the chance to ride a Kawasaki ER-5, which has a parallel twin engine (550cc). I've noticed that ...
5
votes
2answers
850 views

Switching to a higher octane

This may be a very noob question to ask. But I recently got this car and was used with 92 octane petrol. However, to my negligence I overlooked the user manual which states to include 95 octane ...
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votes
1answer
46 views

Fuel saving devices, working or not?

It is claimed that a small unit installed in the fuel tank can save fuel 20-30%. The basic principle is reducing loss of volatile compounds via negative charged air. I really doubt the principle. (1) ...