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Questions tagged [fuel-system]

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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16
votes
5answers
79k 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 ...
3
votes
1answer
381 views

98 Windstar: An 8x5x3 black plastic box fell off

When I got home from work yesterday and parked my '98 Ford Windstar next to the house, my wife pointed out that a 8"x5"x3" black plastic box was sitting at the end of the driveway, and a slightly ...
0
votes
4answers
4k 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
4k views

Trouble starting 1997 Pulsar N15

I'm having difficulty troubleshooting an issue starting my 1997 Pulsar N15 (also known as Nissan Centra, Nissan Almera in other countries). If the car has been sitting for a few hours (or overnight), ...
5
votes
1answer
95 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
3answers
1k 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
1k views

Does the a gasoline or diesel engine supply fuel at high speeds when not pressing the pedal and more

Let say I directly connect a small engine to my bicycle, and that I'm superman who can overcome any force. Then I start cycling (using my legs...) - the engine starts to rotate, even though I haven't "...
2
votes
1answer
2k 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. ...
2
votes
1answer
550 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 ...
10
votes
2answers
18k 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 ...
3
votes
4answers
12k views

Slow acceleration, high fuel consumption after spark plug change

I have a 2000 Ford Ranger 4.0 L V6 4x4 model. I recently was having some problems with the truck idling too low when cold and I decided to change the spark plugs. I put in 4 out of the 6 new plugs and ...
2
votes
2answers
457 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 ...
7
votes
4answers
99k 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
2answers
2k 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?
5
votes
1answer
10k views

Motorcycle: Fuel Injection light comes on after 5 mins of riding

I've bought a brand new bike and have had it for about 2 months. Later this week I noticed that after about 5 mins of riding the Fuel Injection light comes back on. I stop the bike, turn the ignition ...
1
vote
3answers
5k 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 ...
2
votes
1answer
9k views

What is an appropriate way to fix a floating gas needle, or weight down the float?

I may have to replace the fuel pump on my 2001 buick regal, and found a blog post here which was pretty detailed. The person who posted that weighed their float down with 12 gauge copper wire, ...
9
votes
3answers
3k views

What are the causes of fluctuating intake manifold vacuum

I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. I also get occasional fault codes from the ECU indicating a vacuum leak. Today I connected a ...
6
votes
3answers
8k views

Motorcycle with EFI not starting well

I have a 2012 Kawasaki W800. On cold mornings it is difficult to start - it turns over quite a few times before it catches. This is compared to my old carburettor bike which started instantly with the ...
7
votes
3answers
63k views

Why does my gas not fill all the way?

Same as the title. I have filled twice, different stations, both fill to just over 3/4 and stop. I am not sure if this is the gauge or something with whatever magic tells the pump to stop. Is there ...
1
vote
2answers
103 views

What would it take to perform a CNG conversion

I am contemplating a CNG conversion on a new MAZDA5. Could you recommend a parts catalog that has CNG conversion kits? Specifics: my break-even point is $10,000, based on price difference of 3.80-2....
1
vote
1answer
2k views

How to use BG Fuel Injection System Cleaner?

Recently, after a periodic servicing visit for my car (which has a multi point fuel injection system), the mechanic handed me BG Fuel Injection System Cleaner Part No. 210 and asked me to put it in ...
5
votes
2answers
3k views

1993 Jeep stalls on acceleration, floods, hard to start

My 1993 Jeep Wrangler has about 200,000 miles, in good shape. It usually starts right up, but it's started intermittently flooding, so that I have to crank and crank with the accelerator all the way ...
2
votes
1answer
528 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!
24
votes
5answers
140k 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 ...
3
votes
3answers
5k views

Cleaning fuel injectors with a pressurized can?

I've been experiencing rough idling on my 2003 Mitsubishi Galant for the last year or so. It has 182,000 miles on it. About every 6 months now I use seafoam cleaner in the tank and that clears it up ...
6
votes
6answers
17k views

Add 2 stroke oil to a 4 stroke petrol engine during burn-in period

I'm planning to get a new petrol (gasoline) car soon. A friend of mine, who worked as a motorbike mechanic when he was young, told me he puts a small quantity (125 ml / 4 oz) of 2 stroke oil in the ...
1
vote
1answer
1k 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.
5
votes
2answers
3k views

'98 Camry has occasional rough running / low speed idle problem

My '98 Camry (with the four-cylinder engine) usually starts, idles and drives like a dream. About a year ago I had the entire exhaust system replaced (including cat) due to corrosion. Since then it's ...
3
votes
5answers
2k views

how to increase mileage of petrol to match with diesel car

My relatives bought a diesel car and I found out that their gas mileage is better than my petrol gas mileage. Now, the price of petrol is soaring. Can I increase my mileage to match their gas mileage? ...
2
votes
3answers
105 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
294 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
1
vote
2answers
633 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 ?
0
votes
2answers
8k views

Hesitation and backfiring on sudden acelleration when warm

I have an old Mitsubishi Triton Utility 1993. It has a 4g54 4 cyl petrol engine with a carby. No computers or anything like that to check error codes. If you press down on the accelerator quickly the ...
3
votes
2answers
180 views

68 Mustang hesitates at constant speeds

I have a 68 Mustang straight 6 1 BBL carb, 3 speed manual. Noticed the other day that when driving at constant speed that the car hesitates (like I am letting off and pressing down on the gas pedal). ...
4
votes
2answers
3k views

2006 Chrysler PT Cruiser misfiring with A/C

My car has been acting up for a while now with the following symptoms: When idling and with the A/C running it will run fine for a few seconds but then the car will sort of shake and the A/C will ...
4
votes
2answers
865 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?
3
votes
2answers
2k views

Engine Revving/Misfiring - Formerly Running Lean - No Trouble Codes Now

For a few months now my 1999 Toyota Avalon XLS (California model - this apparently affects the emissions specs - I'm in NY however) with around 105k miles has been giving me these totally random ...
6
votes
4answers
3k views

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

I have a Honda Civic with a naturally-aspirated Honda D17A2 (9.9:1 compression ratio). Goal: I want a modest horsepower gain (say +38 hp) in the lower-mid-range powerband; I'm not after the maximum ...
7
votes
2answers
14k 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. ...
3
votes
4answers
2k 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 ...
11
votes
2answers
1k views

Motorcycle Four Body Carburetor Synchronization Balancing

I would like to adjust four-body carbs by myself, in order to avoid spent money every time. What are the basic rules, tools and secrets of synchronizing multiple carburetor bodies?
6
votes
2answers
2k 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 ...
2
votes
3answers
3k 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 ...
4
votes
5answers
5k 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 ...
5
votes
1answer
7k views

Fuel leaking out of drain tube

I just purchased a 1985 Suzuki gs300l. When I put gas in the tank it immediately started pouring out the drain tube that is connected to the air box. What is wrong and how can I fix it?
2
votes
1answer
2k 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. ...
0
votes
0answers
142 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 and in ...
3
votes
1answer
322 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 ...
14
votes
6answers
27k 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 ...