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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1answer
55 views

Putting fuel in my vehicle. Having trouble starting

When I fill up my 2008 Santa Fe, I have trouble keeping it started. I have to start it 3 or 4 times then start it in neutral, throw it in drive and take off really fast. It will eventually started. No ...
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0answers
38 views

92 Terrano - Full tank of gas stalls

This question is very similar to "Engine hesitates and sometimes stalls after filling gas tank", however seems to be more severe. I purchased a 92 V-30 (V6) Terrano about a year ago, and have always ...
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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 ...
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2answers
2k views

P0172 System Too Rich, while fuel consumption is too low

I got this error on my Skoda Fabia 2006 1.2 Bensin 3 cylinder (engine code BME), the car is shaky on idle like it is missing a cylinder, acceleration is non-linear, and fuel consumption is low at 5L/...
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1answer
32 views

Ford Escape 2017 Titanium

The recommended petrol for Ford Escape 2017 Titanium is minimum Octane 95. However, the previous user has used Octane 91- mileage still less than 2000 km. Can I now change over to Octane 95 while ...
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1answer
165 views

Won't pass emissions, Bad ECU?

So, Last year my 94 Acura Integra AT passed emissions by the skin of its teeth, this year it won't pass, I have noticed in past year and half that dropped from around 30mpg to about 15mpg. Some times ...
3
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1answer
110 views

High mileage vehicle: Long drive before and after maintenance

I'm preparing to make a long dive over the Thanksgiving holiday using a high mileage vehicle (Chevy 4.3 with 265k miles), and I am wondering if there are any curious/gimmicky maintenance suggestions I ...
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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 ...
10
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1answer
2k views

Is it really not advisable to let your fuel tank get low on fuel?

I have frequently heard people blaming engine problems on letting the fuel in the fuel tank get too low, in so doing allowing sediment to be sucked into the fuel pump, which then causes a blockage. I ...
3
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1answer
2k views

Kia Spectra fuel pump won't turn on

Car drove fine the previous day. Today it would crank but not start. First thought was that the fuel pump gave out, as everything else seemed fine, and I did not hear the fuel pump priming when the ...
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0answers
39 views

What is the recommended diameter of the Idle Fuel Discharge Port?

My car is a 1987 Toyota Tercel DX Wagon 1452cc 2bl manual driven car. Carburetor of it is a Aisan 14120 Two Barrel carburetor. I heard that the Idle Fuel Discharge Port size affects for the fuel ...
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0answers
143 views

System too lean at low fuel level

My car shows lean condition at low fuel level. Also it exhibits low fuel average and low rpm and loaa of power. I have Nissan dayz 660 cc with 64000 on ODO.
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41 views

What Would Cause Erratic Fuel Volume but Acceptable Pressure?

I took my vehicle to a shop in order to diagnose some severe driveability issues (it is a 96 G10 van with a 5.0 for reference). I was told that the fuel pressure was fine but the volume was "all over ...
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2answers
3k views

Mystery White / Gray Dust on Motorcycle Gas Cap

This is pretty bizarre. I thought I knew a whole lot about fuel tanks, but this one has me stumped. I'm working on a 2003 Suzuki SV1000S motorcycle. Vehicle has fuel injection. The vehicle was ...
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0answers
999 views

Replace fuel rail pressure sensor in 2006 Mercury Mountaineer?

The car is a 2006 Mercury Mountaineer V6, got about 150k miles. The dealership sale rep is telling me my fuel rail pressure sensor is shorting out and needs to be replaced. Apparently, its causing ...
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1answer
137 views

Honda dirt bike with clone engine lots of problems

So I have a 110cc Honda trail. It has been getting colder where I live and my bike has been acting funny. first problem: At FULL throttle it starts to sputter and crackle. The second problem: does ...
3
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1answer
82 views

Fuel Pressure Regulator, or something else wrong in my 1997 Chevy Suburban?

I have a 1997 Chevy Suburban and I'm pretty sure that the fuel pressure regulator valve is going/gone. Or maybe it's just the elevation. We recently had the water pump and the front intake manifold ...
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0answers
3k views

acceleration bog fuel injection

I have an air cooled single cylinder motorcycle with a bogging down(feels like something is pulling back on the bike making it struggle) problem on acceleration. After many many months of having it I ...
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0answers
80 views

Frequent Oxygen Sensor dirty problems (volvo diesel)

I have a volvo S60 diesel for 10 months (more than 30.000 Km), and I already have to clean the oxygen sensor once and seems that I have to clean it again. My question is what can I do to reduce the ...
2
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1answer
108 views

Why some vehicles do not have a fuel tap

I wonder why some vehicles have a fuel tap and some do not have to shut off the fuel supply and to know when the fuel level has reached a reserve level. I have seen this is some motorcycles but have ...
2
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1answer
231 views

Can not fill gas into tank for 2004 Honda pilot

My 2004 Honda Pilot has a gas filling problem. I have to fill it very slowly in order for it fill the tank. Other wise it does not work.
7
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1answer
12k views

Why is there a hissing noise when I open my petrol cap?

When I fill up with fuel, there is often a loud hissing noise, as if you are opening a bottle of fizzy drink or something whenever I unscrew the petrol cap. It also seems like there are vapours ...
3
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0answers
369 views

What is the normal voltage of 5-wire oxygen sensor (lambda probe)?

I have got a 2007 Opel Vectra GTS 2.2 Direct car (which still has a high pressure fuel pump problem, yet to be solved). Petrol, 114 kW, engine Z22YH. After getting an P0130-52 (No Plausibility ...
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2answers
3k views

Best practice for replacing fuel injector o-ring?

Never worked on fuel side o a car so have a few concerns: What's best way to relieve fuel pressure? After swapping o-rings, does a lubricant need to be added to the o-ring to prevent damage when ...
23
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4answers
9k views

Small amount of wrong fuel type put in the tank

The guy who works at a gas station was filling up for brief moment wrong fuel type in my car until he realized what he did. I own Citroen Xsara 1.9d, make year 2000. Before filling the tank which is ...
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2answers
830 views

Why does “i” stand for petrol?

As illustrated by this list of car engine names by manufacturer, car manufacturers like to give the petrol and diesel variants of their engines often confusing names. The least confusing of these ...
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1answer
222 views

Replacing fuel pump strainer

I have a 2004 Honda CR-V. It does not have a fuel filter but rather a strainer in the fuel pump assembly. I'm used to having cars with separate fuel filters in line with a fuel rail that you replace ...
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2answers
916 views

Do fuel additives harm the engine in the long term?

Many fuel compamies (i.e. esso diesel synergy) use additives in their fuel to clean the engine and improve performance. My question is whether these additives will harm the machine after 5-6 years of ...
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1answer
48 views

Why can't my car pick up power ,after cleaning the fuel tank & replacing the fuel filter [duplicate]

My Mazda BT50, has been struggling to accelerate past 2000rpm on the gauge. So I remove and cleaned the fuel tank, and also changed the fuel filter but I am still having the same problem of engine not ...
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1answer
111 views

Why do Lada's fuel gauge looks like this?

This is picture from Lada's fuel gauge. Any idea why it says 4/4 when the tank is full? The logical sequence is: 0, 1/2, 1.
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0answers
289 views

Avante 2010 M16 GDI 1.6L Fuel Type

I own an imported Avante 2012 M16 GDI 1.6L from Korea (basicly an Elantra with extra options). The 400 page plus manual and all references on the internet are in Korean, so I have no clue what type ...
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0answers
71 views

Motorcycle fuel tank inspection procedures?

All of a sudden cylinders 3 and 4 won't fire. The only single thing in common is the fuel feed. Suspecting perhaps some debris (rust?) in the tank that found its way down into the 3/4 fuel tee ...
2
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1answer
210 views

Control module voltage

I obtained some readings using PCMSCAN for a 2007 Pontiac Wave(Codes P0171 & P0172). At idle SAE.VPWR recorded 14.229v, frame 3&4 was 57.825, frames 5-33(varied rpms) around 14.4,frame 34, 37 &...
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2answers
2k views

Super 95 E10 vs Super 98?

Can i use Petrol: Super 95 E10 in my car? I basically use Super 98 on my car but the price is very expensive now 1.50 Euro cent. Where as Super 95 E10 is 1.20 Euro cent. My car manual says i can use ...
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0answers
21 views

98 Dodge Ram van b2500, 5.2L gas, 223k miles, runs great overall…stumbles when cold.

OK, the title spells it out, I need some direction from you guys, thanks in advance. Have not really had time to dig-around, so if anyone can offer me a direction on where to look, much appreciated!!...
5
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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
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2answers
168 views

Tank reading half full. No more fuel will go in

Tried 3 different times at 2 different stations with same result. Nozzle says full, guage says half.
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0answers
100 views

07 Camry Engine slow RPM and excessive fuel consumption reading

I have 2007 Camry manual made in Australia for Arabic gulf. The engine sometimes go to 500 rpm and suddenly stops. Or it also goes to 1500 rpm and doesn't return to 1000 rpm (which is the normal as ...
3
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2answers
896 views

2005 Dodge Grand Caravan sputters & stalls after refueling

I fill my tank at 3/4 or 1/2 full and every time it sputters and stalls immediately when I leave the pump, just like so many other Dodge & Chrysler minivans I've recently read about. So, before I ...
3
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1answer
82 views

How is fuel pressure maintained when the pump isn't running?

Pretty simple question, if liquids are incompressible then how is fuel pressure "stored" when the fuel pump isn't running, i.e. after turning to run and waiting a few seconds, but not turning to start?...
12
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4answers
27k views

Gasoline is dripping out of a rubber tube outputting on the bottom of my motorcycle - is this normal, or is it a problem?

What bike? A BMW 650, 1996 model. What's the problem? I noticed a slow, but steady, drip of gasoline from one of two rubber tubes that output to the bottom of the bike. I think the other rubber ...
1
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1answer
81 views

2002 Sub Forester S 2.5 AT Huge power loss going up hills

Can anyone tell me what the fuel pressure should be (40lbs ?) on a 2.5 AT Sub Forester. Any hill I hit the power drops to nothing and the cruise control shuts off (which I understand, it is suppose to)...
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1answer
489 views

Fuel filler neck has 1 broken pipe of 3. What is its purpose?

I'm trying to fix a gas leak in my filler neck before a 2000 mile trip on 6/28/17... 2002 Mitsubishi Elcipse 3.0L I just pulled off my wheel and the filler neck cover and found 1 of the 3 pipes ...
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0answers
141 views

Truck burning through a lot of gas

Vehicle Information: 2006 Ford F150 4WD with the 5.4L Problem: On the way to work I noticed that the truck was "burning" a lot of gas. As I drove, (at a normal speed - 60 mph) I noticed that the ...
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2answers
1k views

What fuel type is more explosive?

I think it's one of the most popular things in action films: Cars exploding. In reality, a car explodes very rarely, even when it gets shot. However, what fuel type tends to explode more? Diesel ...
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0answers
159 views

my 2008 ford mondeo will not start at times, any suggestions?

2008 Ford Mondeo, Diesel - starting problems. Issue with starting at times. after long journey it may not start for a few minutes or if its left for 2- 3 days in wet cold weather i may need a jump ...
9
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1answer
2k views

What is the yellow precipitate in my outboard's carburetor?

I've got a 2008 Tohatsu 9.8 HP four stroke outboard. My low speed jet keeps getting fouled and on several occasions, I've found yellow almost crystalline "growths" for lack of a better word inside ...
3
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1answer
897 views

What is this tube coming off from 1 of 2 motorcycle carburettors?

I've inherited a 1979 Yamaha xs400 that needs some attention. Whilst preparing to remove the engine I came across this tube that protrudes from where one of the 2 carbs meets the block. The 2nd carb ...
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0answers
46 views

Hum from Opel Corsa GplTech when throttling

I've got a 2010 Opel corsa d 1.2 GplTech, now with about 84000 km. The car seems fine, does not consume excessively and even the mechanic said this January that it feels solid. However, when I'm on ...
14
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10answers
12k 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 ...