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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5
votes
1answer
9k 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
60k 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
102 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
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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
504 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
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5answers
136k 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
16k 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
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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
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3answers
104 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
291 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
631 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
834 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
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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
319 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 ...
3
votes
3answers
499 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
1answer
437 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 ...
4
votes
2answers
185 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 ...
5
votes
1answer
588 views

DIY Throttle Body Cleaning - Worthwhile?

Although I'm fairly familiar with the question of using fuel injector cleaning solutions, and using Seafoam for intake/injector cleanings, recently I've been looking into cleaning my throttle body ...
7
votes
3answers
282 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 ...
2
votes
1answer
693 views

2004 ford crown victoria - Fuel Cap pressure

My check engine light came on yesterday. with that another little light that says "check fuel cap" also lights up but only stays on for about a second or two. I have never noticed this before so ...
9
votes
2answers
21k 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 ...
6
votes
7answers
67k 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 ...
10
votes
3answers
4k 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 ...
-1
votes
1answer
200 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 ...
6
votes
1answer
2k 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 ...
84
votes
11answers
91k 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 ...
5
votes
2answers
623 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 (...
4
votes
3answers
7k 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 how ...