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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39 views

How come that with a worn MAF and lambda fuel economy suffers but there is no performance gained?

I'm trying to understand the advantages of lambda and MAF while I drive an old car, those parts are worn. How come I have loss in fuel efficiency while there is no gain in performance?
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1answer
41 views

Faulty O2 sensor identification

The car is a 2006 BMW 325i (N52B25 engine). The problem started out as a performance issue (car didn't pull quite that hard), after a while it turned into more serious issues like low rpm stuttering/...
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101 views

Mechanic said I put wrong fuel on my car, I know I didn't. What can I do? Who is to blame?

I have a Toyota Yaris hybrid from 2018. Last saturday my tank was half-way full, but I had to buy some things at the gas station and decided to purchase 7 or 8 litters of unleaded gasoline (10 euros). ...
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2answers
2k views

Fuel gauge very slow to come up after filling - anything to worry about?

After filling up my 2003 Transit campervan with diesel the other day, I noticed that the fuel gauge was very slow to respond: after 10 miles it showed 3/4 full, but eventually came up to the 100% line....
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2answers
66 views

Accidentally used fuel containing methanol while my car's manual says I should avoid it. Big deal?

I recently fueled at a gas station with a sticker on the pump saying "contain methanol". Later I found out on the manual (of my Hyundai 2017 Elantra) that fuel with methanol should be avoided. I ...
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1answer
21 views

2010 Dodge Dakota Big-horn: Engine sputters when accelerating from stop

I have a 2010 Dodge Dakota, 4.8L V8, 2WD, 129K miles. The fall temperatures are starting to get a little colder, so I've noticed something that my truck does now that it didn't used to do. When I ...
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1answer
26 views

Are the high and low fuel pressure sensors the same part?

I have a 2013 Ford Escape 1.6L se 2wd, my question is the high fuel pressure sensor and the low fuel pressure sensor the same part? My mechanic gave me a part # bm5z9f972a and the part # for the high ...
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0answers
57 views

Fuel tank pressure - leaking gases and gasoline

Hi! A pleasure coming to this site, hope I knew about it before! I own a VW Golf 4 R32 (euro), which from time to time, starts leaking gases and fuel from the fuel tank's cap. The amount of fuel ...
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19 views

fuel guage low voltage 2006 nissan altima 2.5 SE

I had the fuel pump replaced by a Nissan dealer was told this would fix problem (didn't repair) now they said it could be the fuel gauge( Nissan no longer supplies}. Engine lite comes on for about a ...
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3answers
52 views

How do I remove this fuel line connection?

This one has me fooled. I've never seen a quick connect like this without some mechanism to remove the connection. Generally you push something, remove something or use a quick connect special tool ...
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1answer
34 views

2001 Ford f-150 fires up with starting fluid, replaced fuel pump, still wont start

About a year ago my 2001 F-150 5.4 liter truck suddenly would not start, there were no warning signs, it was running fine when I stopped at Walmart on the way home from work and it never started again....
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5answers
346 views

Fuel sender works when outside of tank, but not when in tank

I've bought a 1988 Honda Accord (3rd gen) with an issue where the fuel gauge always reads full. I removed the sender unit from the tank and cleaned it with some contact cleaner (it was kind of copper ...
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1answer
24 views

94 Corvette shutting down

I have a 94 Corvettes that shut down after driving for a few minutes. I installed a new fuel pump. I think it’s the fuel relay. Only problem is I can’t locate where it is. I opened the passenger kick ...
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2answers
117 views

I put E85 gasoline into my non-flex-fuel car

Yesterday I filled my 2009 Chevrolet Cobalt's tank with E85 gas. I saw it was the cheapest at the pump, so I used it (bad idea). I then used a little more today (like 1.5 gallons) until I just ...
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0answers
32 views

My motorcycle bogs

I have a 2007 Honda shadow spirit 750. My motorcycle Boggs when I open the throttle, it idles fine. When I bought the bike the guy said the petcock was bad and that there are bigger jets installed in ...
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1answer
58 views

Location of Fuel Pump relay on '07 TSX

I'm having frequent hard starting issues & think the problem is the fuel pump relay. However, I have no idea where this is located, presumably under the dash somewhere. Anybody?
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1answer
52 views

Fuel Gauge Inaccurate

I recently purchased a used 2005 subaru forester (non-turbo). I initially noticed that the fuel gauge seemed to be dropping a little faster than what I would have expected based on the Km's traveled. ...
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0answers
12 views

Why with the addition of a gy6 50to100ccbbk,44 stroker,20mm cvk carb with 33 pilot and 105 main jets does my gy6 engine still nog down?

Gy6 50 to 100cc Tao Tao atm-a1 50 scooter. I've tried: Going up and down on jet sizes Cleaning carb Replaced carb New pod filter Advance timing 2 degrees New cdl Checked fuel flow from carb Changed ...
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0answers
9 views

Worldwide Envrionmental Products EIS 5000 Analyser: “Communication Error with IOBoard”

I have an old EIS 5000 fuel analyser which displays the error "Communication Error with IOBoard". The system was used a long time ago without problem until this problem came and was never solved. The ...
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0answers
27 views

1989 suzuki gsxr750 slingshot k

Had bike tuned up new plugs carb tuned new gas bike starts cold runs great when bike is hot will start but only idle won't rev over 1000rpm can't drive let cool down runs drives great
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1answer
29 views

Can I leave the fuel filter hose, EVAP line and all the electric lines disconnected overnight outside?

I'm in the middle of having to drop my tank to change the fuel pump but dont have enough time to finish the job before it starts to rain tonight and tomorrow. Is it safe to leave all those hoses and ...
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1answer
41 views

5 months old Royal Enfield 350 cc stopped all of the sudden

I have 5 month old Royal Enfield 350cc with only 4600 km. My bike stopped in the middle of the highway ... fuel was leaking ... I went to the service center they told me there is an issues with fuel ...
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0answers
61 views

Engine warning light P2191 / Hyundai Veloster problem starting when cold

on monday I had some issues starting the car and then an engine warning light with the code P2191. I clear the error but it appeared again. This is the starting sequence values of o2 and other: https:/...
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1answer
93 views

Engine Stalls after Filling up

I have a 2008 Hyundai Elantra, 232,000 miles on it. Just recently and happened twice already, Last week and two days ago. I filled my tank up started the car and it would stall out. I started again ...
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1answer
32 views

Why isn't my car showing a small fuel input?

I just used a fuel pump to add 3.8 liters of diesel to my car (£5) from a local Jet fuel station. However my car's analogue fuel guage hasn't moved in the slightest. I have added similar amounts ...
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1answer
148 views

2014 Ford Focus won't start at all

My vehicle died on me suddenly on the road today. It was stuttering for a few minutes hard prior to it dying. When I tried to jump it nothing happened at all, not a click, not a turn over, anything. ...
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0answers
31 views

Fuel consumption and too much noise from the engine when driving

I have a Toyota D4D 2013 model. I have driving this car since last year. But in the month of May I took it to be serviced but from there it started consuming a lot of Diesel but it was just fine ...
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1answer
20 views

04 vw beetle starting problem

This used to happen when the car was warm but now it happens all the time. When I go to start the car it just keeps turning over and does not start but I take the key out and try again and sometimes ...
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1answer
23 views

2012 Ford Escape with Flex Fuel capabilities

Can Regular gas (not containing ethanol) be used in a 2012 Ford Escape with Flex Fuel capabilities?
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18 views

2003 Ford Focus poor acceleration, starving for fuel

When I try to take off it acts like it's getting no fuel then all of a sudden it starts to accelerate but it does this every time I stop.
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0answers
21 views

Fuel tank leakage

I have this sudden fuel leakage from the base of the fuel tank of my benelli tnt 25. I am clearly unable to cite the reason. The leakge is present upto a certain level of fuel.Is it safe to drive the ...
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2answers
69 views

VW Golf 4 V6 loses all power on strong acceleration or uphill, only on half tank

I have a weird problem with my Golf 4 V6 2.8L 4motion, 1999. On exactly half tank (correct by gauge, distance and volume refilled), the car brutally loses all power if going uphill or accelerating ...
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13 views

Bike is getting switched off when speed I reduce the speed

I am owning a RE classic 350 . The problem is 1.When I start my bike in the morning after a long break, the engine gets switched off within 10 or 15 seconds if I failed to raise the accelerator at ...
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27 views

1994 300sei Camry auto overfuelling, rough idling, spews white fuel smelling fumes

I have been struggling with this car for a while now and as a result it is standing and not driven. The fan comes on when ignition is started and idling, the speed gauge accelerates in park though ...
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1answer
49 views

I would like to wire a fuel pump kill switch in my 1995 Ford Ranger XLT

Currently, despite a new ignition switch. (including tunnel) My Ranger will not turn off. With the truck in park, key in the off position, and even removed, it just keeps on keepin on. As of right now,...
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1answer
27 views

2002 Chevy Chasis on a motor home

How many book hours to change the fuel pump do you normally charge? We have to drop the tank, we know that for sure
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0answers
210 views

My Chrysler 300C drove through high water now won't start

I drove through a puddle of water. No problems I went home shut it off. Waited a couple hours tried to drive again. Started for a few seconds and shut off did that three times now it won't turn over ...
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0answers
12 views

LEXUS 1994 ls400

My tank is 1/8 full. Fuel pump replaced by me. Car continues to sputter and fail. Is there enough gas in car to prime pump? I'm trying to make it to gas station.... What else is suspect?
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24 views

Question about aircraft engine injector system

i was recently working alongside an aircraft mechanic on a turbocharged 6 cylinder fuel injected engine (a Lycoming TIO-540 if your curious) and the complaint from the customer was that it would ...
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2answers
94 views

Engine lean issues

Vehicle is a 2006 Ford Courier, started having hesitation/loss of power after fill up at a gas station that I'd never been to before. I depend on it for transport so I'm forced to still drive it, ...
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1answer
80 views

BMW P0171 & P0174

So i have a BMW 328i with roughly about 155k miles, no drivability issues. However as soon as the car gets decently low on gas, the car starts to act up by surging and eventually stalling out as if it ...
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1answer
59 views

Engine stuttering/dying and loss of accelerator

I had recently bought a 1998 Gen 3 Subaru legacy (BH5) with 190k Kms/ 118k Miles on it, for the first month it ran perfect with zero issues. Suddenly one day I started up the car as I was reversing ...
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0answers
11 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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2answers
66 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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1answer
69 views

2002 Kia Spectra 1.8: No power to the control side of my fuel pump relay

I have isolated the issue to no power coming in to the relay coil. I am having issues finding a wiring diagram, or a pcm terminals wiring diagram to help me further troubleshoot the issue. I'm only ...
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0answers
54 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
40 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
52 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
36 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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1answer
197 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 ...