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
89 views

2001 Vw beetle 02 sensor car will not go over 65mph

I have a 2001 vw beetle 2.0 engine with 171,000 miles on it. I have a check engine light on saying that bank 1 lean. It has been like this for years and I have had no problem with it. Yesterday I ...
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1answer
45 views

2001 ford e250 no start but has spark

2001 Ford E250 not properly long term stored. I can get it to crank/turn over but it will not run at all. It has 200,000 miles on it but has never had this problem before. I shoot a bit of starting ...
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1answer
549 views

Short term fuel trim shows -9% (Rich)

Honda Civic 2007 90km odometer Problem- Fuel consumption I have scanned my car and it shows STFT -9% along with below parameters. Coolant temp -> 64 LTFT -> -7.03 Oxygen sensor voltage -> .55v EGR ...
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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 ...
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0answers
10 views

1988 T-Bird clicking sound when key is on

I accidentally drained my battery so I charged it and went to drive it car died when I went to drive. Now it makes a loud clicking noise and won't stay running. I don't think I put a good charge to ...
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1answer
2k views

2009 Hyundai Sante Fe - gas smell in cabin after replacing fuel sending unit. has been repaired 4x's now

Fuel sending unit replaced. Since then it has gas smell in car. It has been redone by mechanics four times now but still has a gas smell when the gas level is in the first quarter of the tank. Cap ...
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4answers
129 views

Leaving Bike unused for 3 months

I am going out of country for 3 months is it okay if i leave the bike unused for 3 months ? and what to do to protect my bike for any loss ?
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2answers
2k views

Two Fuel Pumps died

Already having replaced 2 fuel pumps, both died. Seems to have a problem in somewhere (alternator, battery, electricity) or I have no luck for fuel pumps. The last one, last 6 months, before died ...
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2answers
1k views

2005 C4 Citroen starting problems

Hi I have just bought a 2005 C4 Citroen with a 4 cylinder petrol engine it has 104000 km on the clock. My issue is when the car is cold it takes around 10 tries to get it to idle properly. I have ...
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2answers
50 views

How to get started tuning ecus?

Now I plan on building my own vehicle soon , and I wanted to know where can I begin learning how to tune a vehicle’s ecu and the necessary programs required to tune ecus on top of the understanding ...
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2answers
121 views

Volvo V70 I stalling when accelerating too much

I've recently bought a Volvo V70 I 2.4 (106 kW, gasoline, 1998), and on the way back home from the seller the car died several times when starting from a standstill, until finally a few hundred meters ...
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0answers
45 views

Why does the gas station pump keep shutting off mid-refueling?

This is a similar question to Why does my gas not fill all the way?. I have a 2017 Jeep Grand Cherokee. It seems to depend on the pump I go to, but sometimes I have a lot of trouble getting the pump ...
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0answers
83 views

Dodge Ramvan B250 starts after 10-15 seconds crank - where is the fuel?

I have a 1989 Dodge Ram Van B250 TBI 5.2L 318ci engine. It takes about 10-15 seconds of cranking to start the engine. After it gets hot sometimes it never starts. I'm getting afraid of taking it ...
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1answer
74 views

Can't remove fuel line connector from fuel pump

I am trying to replace the fuel pump of my Volvo V70 I 2.4 (106kW, 1998, manual), but can't remove the fuel line connector from the pump assembly. The return line seperated easily, but the other one ...
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0answers
32 views

Why is the engine sputtering even when there is sufficient fuel?

While kickstarting the motorcycle, the engine starts properly. But after travelling some distance, the engine sputters and turns off even when there is sufficient fuel. Then, after few raises to the ...
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0answers
42 views

When i step on the throttle, nothing happens, then after a second the car goes

My car is a 1992 Benz 300SE W140 Automatic Transmission, whenever i start the car and put it on D, when i step on the throttle nothing happens (the engine rpm does not increase) then after 1 second it ...
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1answer
34 views

How to start a 1991 Thomas School Bus that cranks well, but doesn't start

I purchased the above vehicle for conversion and at first it didn't start at all due to starter issues. At this point it cranked, but cranked weakly. So I replaced the starter about a month ago and it ...
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0answers
32 views

ok my car will turn over but not crank its 2005 nissan altima 2.5 4 calender we changed crank position sensor spark plugs and coil pack

I have a 2005 model nissan altima 4 cylender2.5. My car will turn over just won't crank we have replaced a crank position sensor changed coil pack and spark plugs it just won't crank checked fuel pump ...
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0answers
22 views

2006 Subaru outback won't accelerate

My 2006 Subaru outback has now three times stops accelerating completely but engine runs normal. The check engine light comes on also. A friend thought it had water in fuel line put in dry heet and ...
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1answer
43 views

Fuel pump can't pump after few days stopped

I have a 1995 Nissan Sentra with a carburetor and a mechanical fuel pump. After being parked for a couple of days, the car doesn't start because no fuel reaches the carburetor. At most it, will start ...
2
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1answer
10k views

Black water from exhaust, cylinder misfire and rought idle

It is a Skoda Fabia 2006, petrol, 3cylinders 1.2L. Main problem: Rough idle. Misfire at random cylindners. Steam, Water and black carbon from exhaust. (I'm sure it is not normal). Undrivable. ...
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2answers
51 views

Fueling vehicle issues

Every time I go to pump gas in 2009 ford mustang. Almost every gallon that pokes in to tank makes the nozzle trigger pop back like if it was full. It is annoying to hold it and still pops back out. ...
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2answers
32 views

Fuel hose leak after inactive for a while

Car was sitting for a while (3 months) in severe heat, this pipe cracked due to age, heat and being dry. It works fine but is leaking quite badly. What is the type of piping required here? Would I ...
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0answers
35 views

Pulsar 220Fi starter crackling sound

So I've a Plusar 220Fi 2007 model. Engine is in perfect as new condition. However sometimes when I press the start button, I huge crackling sounds can be heard (it's like metal balls are ground ...
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6 views
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25 views

Priming fuel system from fuel tank?

Mechanic changed my Focus 2014`s diesel fuel filter, then because he didn't know the correct method to bleed the system, instead he pressurized the fuel tank with compressor. Car ran fine. But the ...
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0answers
352 views

How to get access to Fuel Flap on VW Polo?

My Fuel Flap wont unlock... it has been playing up for a few months but now it wont open at all. I need to put fuel in my car but cannot unlock the Fuel Flap, I have tried unlocking and locking via ...
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1answer
441 views

Calculating fuel flow rate through obd || sensor not supporting 015E and 0110 commands

I have been working on a project where i want to calulate fuel flow rate using data from the obd2 sensor. The car on which i was testing didn't support the pid 015E which is for fuel flow rate. Then i ...
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1answer
1k views

Thinking of running E85 to clean my Corvette valves, pistons and heads

I'm pretty sure that I have built up carbon deposits in my 1986 corvette convertible with aluminum heads. I get noticeable pinging when hot and accelerating even with 93 octane gas. My plan is to ...
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1answer
59 views

Pocket bike issues

I have recently just bought a new pocket bike for very cheap, it came with no warranty. It is a 50cc 2 stroke pull start with no gears or clutch. It worked perfectly when i first got it (a few days ...
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4answers
59 views

RV fuel when stored over winter

I've been running regular unleaded gas in my RV, but when it came to winterize, I'm not sure if the gas jockey followed my instructions to fill with premium. Is it safe to start the vehicle if it has ...
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0answers
168 views

How can I diagnose\test if I have contaminated fuel?

Following a fuel change my engine cut out after 3 minutes driving however I was able to restart and drive home for 8 miles. The car did drive quietly for those 8 miles. It does start however and it ...
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1answer
44 views

What should a normal fuel pressure reading look like?

Some quick background: While idling, my 2007 Ford Focus "revs" at about a 1-second cycle, you can hear the engine subtly go "wroom / wroom / wroom". It has issues with long crank times to start and ...
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3answers
95 views

How to deal with watered down fuel?

I asked this question Why did car go quiter and cut out after fuel change? and somebody mentioned in the comments that I may have used watered down gas. This seems plausible and I did think the fuel ...
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1answer
70k views

What is seafoam? What does it do? How do you use it?

Mech's seem to get a real rubbery one about Seafoam. Is it just fuel additive, like something similar to Lucas Oil? Do I just pour it into my gas tank as a gas treatment? What will it do/help ...
7
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1answer
700 views

2015 Honda Mobilio - Car shakes when started

I have a 2015 Honda Mobilio with a manual transmission. I have had this car for 6 months and have not experienced any problems until yesterday morning. When I start my car, the engine shakes badly. ...
7
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3answers
29k views

What is the Fuel Tank Ventilation Valve?

Asking this for a friend. Their mechanic says the fuel tank ventilation valve is broken. What is the fuel tank ventilation valve? What does it do? Is it an important part? If yes, Why? EDIT: In ...
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2answers
64 views

2014 Ford Taurus, digital fuel indicator is out of norm, then check engine light came up

My car at a full tank of gas usually have an estimate milage per the fuel indicator of 425 miles. Recently, when I filled up my tank I noticed it went down to 380 miles. Then weeks later my check ...
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1answer
17 views

Fuel consumption

Purchased a BMW 730d 5 months ago , disconnected my battery to fix my starter , when i put the battery back the fuel consumption reader goes to zero 0000 , when I started driving the fuel reader ...
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1answer
44 views

Cause of faulty EGR valve

I recently had my diesel Range Rover sport serviced but the garage didn’t re-seat the fuel filter correctly causing a leak of fuel. At the same time, my engine light came on and it turned out to be ...
6
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5answers
16k 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 ...
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3answers
2k views

What can cause “check gas cap” warnings other than a loose gas cap?

I have a 2006 Saturn Ion, and a few months ago I started getting a warning about my gas cap. Specifically, as I was driving the dash display would beep and say "Check Gas Cap." I bought a new cap to ...
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0answers
203 views

Why does my car stutter and sometimes die at low RPMs, but only when the fuel tank is full?

My 2005 Chevy Malibu has a very strange problem, it sometimes dies at low RPMs, but only when the fuel tank is full. The problem goes away when the tank drops to a little bit above the 3/4 mark. I've ...
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3answers
221 views

No lights or radio; won't turn over. Battery is fine

I have a 2002 Chevy Silverado 1500. My buddy replaced my fuel pump recently, and while he was dropping the tank he broke a fuel line, so replaced that as well. About 4 days afterwards, my check ...
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0answers
46 views

Unexplained fuel pump residue that ruined fuel pump

A couple months back I posted a Question about my sisters fuel pump that suddenly stopped working after she walked Inside, The night before she swore that she had a half tank of gas, To make a long ...
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2answers
616 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 (...
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2answers
1k views

Any techniques to remove rust from inside fuel tank without removal

Last night I ran through the entire ignition system of my 1985 Mk1 Golf Cabriolet 1.6 (Carb) Auto and managed to get a nice strong healthy spark. This allowed me to start the car on Easy Start ...
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1answer
476 views

How to drain the fuel tank on a first gen (2000) SV650?

I’ve got some fuel line (top yellow fuel line in picture) from the petcock to a gas can. I disconnected the vacuum line. I read some cryptic hints about Mity-vacs and opening the throttle but ...
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0answers
45 views

dying on fast acceleration + blackened spark plugs, but no problems on idle

I drive a 1990 Audi 80 b3 with 2.0-liter gasoline engine (I have no idea what the correct term is in English since it is not my native language, so please excuse me my mistakes). Today I encountered ...
2
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1answer
300 views

Diagnosing a p0420 code for 2005 nissan x-trail 2.5L

I own a 2005 nissan xtrail with a 2.5L engine (QR25DE). I have problems with my vehicle, too much fuel consumption ( 3.8km/L ) My car has a 60Liter tank , my last fuel up gave me 229KM until the ...