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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2
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1answer
30 views

Why is fuel going down quicker than expected giving miles driven?

Given the pandemic lock downs and such I've been using my car less, maybe 2 times a week and when I do drive it is for short drives, 5 miles or less usually. But it seems like each time I get in my ...
3
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1answer
180 views

2014 TGB 550I LT 4x4 stutters after sharp turn (right)

We have an ATV and we just got it up and running again (got scammed when we bought it). The ATV had been standing still for a few years. The ATV had a damaged front wheel and because of a bad repair ...
2
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1answer
41 views

Low fuel pressure in Volvo S40 1999

My car is Volvo S40 1999 with 2.0 engine. The fuel pressure is on the idle at 2.2-2.3 bars (should be 2.5) and on higher rpm max. 2.6-2.7 bars (should be 3.0). When I unplug the hose that goes from ...
1
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1answer
139 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
1k 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 ...
2
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1answer
10k views

Altima 2006 2.5 S Code P0462 = Fuel Level Sensor A Circuit, Low Input Fuel Gauge Is Inop

My fuel gauge does show a full tank when filled, however as fuel is used the gauge will not read accurately. I'm getting the fault code - P0462 Fuel Level Sensor Circuit Low Input Which is setting ...
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2answers
52 views

Troubleshooting low engine power uphills

my 02 Corolla (230k miles) has low power, especially uphills. I did a vacuum test and fuel pressure test, as I was suspecting a clogged exhaust or a faulty fuel pump. Both readings are normal, ...
7
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3answers
26k views

What are all the different types of fluid in a car and a short summary of their use?

A fluid is defined as anything that flows, hence for our purposes a gas or a liquid. I know that there is fuel, engine oil, engine coolant and brake fluid. Also air is normally taken in through a ...
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0answers
47 views

How does this fuel tank assembly work?

I have a mini excavator (Terex HR16). I am trying to understand how the fuel tank assembly works. First some context: I was experiencing intermittent engine sputtering, sudden loss of power, and ...
0
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2answers
54 views

Car has been stored w/o additive, will continue storing longer - add additive now, or tool late?

I have a car ('96 Lexus ES 300) that's been parked non-operational for over eight months, except for one drive down the block last month (it started up just fine). It's in Los Angeles, so not too much ...
2
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1answer
385 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. ...
1
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1answer
31 views

Pontiac LeMans 1.6 TBI - fuel pressure problems

I have a Pontiac LeMans, 1989 year of manufacture, engine 1.6 with Rochester TBI 700. I think that I have a problem with a fuel pressure. Engine idling is bad. Engine idle has 800 rpm with ...
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0answers
32 views

Does the electric fuel pump get damaged?

The lorry was working just fine, and suddenly it stopped on its own. We did the checks including wiring, and finally, we discovered that it was a blown fuse which was no longer supplying power to the ...
3
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3answers
12k views

2001 Maxima starts but won't stay running

I have a 2001 Nissan Maxima 3.0L V6 that starts no problem but dies almost immediately. If I give it gas as I start it and hold the idle around 1500-2000 for a few seconds, then ease off, it will stay ...
2
votes
1answer
37 views

Does weekly use of vehicle decrease concerns about gas going bad?

It's recommended to use fuel stabilizer for long-term storage. The instructions for stabilizers say to run engine for a while to properly mix with fuel and protect entire system. Does regular use ...
0
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1answer
140 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?
2
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1answer
35 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?
3
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2answers
3k views

Fuel lines: is Nicopp OK for gas?

I need to replace some rotted under-body lines. I'd like to use something easier to bend than old-school steel tubing - in particular, AGS' Nicopp. At that link, the blurb for Nicopp line doesn't ...
0
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2answers
40 views

Fuel pump problem

My daughter's car, a Honda Jazz, have not been used for more than 3 weeks. We replaced a new battery as the engine failed to start. Even with new battery, the engine still failed to crank. We took it ...
0
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1answer
28 views

Why does it take more than a few gallons of gas for the fuel tank meter to update?

I noticed this recently with newer cars with electronic displays, in that for whatever reason, if you only add a gallon or two of gas, the fuel gauge won't update. However, if you fill it from a ...
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1answer
35 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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2answers
376 views

How to improve Fuel consumption of Kia Sportage 2014

How we can improve Fuel consumption of Kia Sportage 2014. Also guide me what is the Avg fuel economy of Kia sportage 2014 with 50,000/ mileage. Does changing of spark plugs have any affect?
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1answer
144 views

Glamour fuel injector repair

My Glamour FI bike flooded and was fully covered with water. After drying my bike, I changed engine oil, air filter, and cleaned the silencer and petrol tank. After that, I switched on the bike using ...
0
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1answer
52 views

What is the maximum calculated mpg the display will show

2015 Forester, manual transmission. I drive to maximize fuel economy, and have reached 31.5 mpg. And there it stays, for a LONG time, even though by the usual progression it should have incremented ...
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0answers
12 views

49cc stand-up scooter won't start fuel is flowing back in the tank instead of the carburetor

49cc stand up scooter wont start. When i prime it i can see the gas going backwards instead of to the carburetor. I have a new gas tank the carburetor is fairly new I take the spark plug out and it's ...
5
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2answers
2k views

1987 Ford Ranger fuel gauge not working right

My fuel guage will work but when it gets to half a tank it will drop to empty with in a few minutes but still has gas in it.
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2answers
35 views

Second butterfly valve in riding lawnmower?

So I am helping out my neighbor with her lawnmower, tuning it up and what not for the summer. I noticed that when running the lawnmower, as soon as you take it off of choke, it revs up as fast as it ...
0
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1answer
88 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 ...
0
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1answer
49 views

2 fuel pumps dying due to electrical issues?

I bought a 95 240sx se as a project car with a blacktop sr swapped in it. I bought it knowing it didn't run. It cranks but no fuel pump prime. So I replaced the fuel pump and it started up. After ...
1
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1answer
54 views

Bike not starting after filling it with petrol, but was completely empty before

My bike is a Honda dream neo-110cc It was completely empty before I refilled it with petrol. Now it's not starting. Someone told me that I needed to kick-start it. What was happening? What can be done?...
6
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3answers
9k views

Possible fuel filler leak in F-150 truck

I have a 2001 Ford F-150 pickup. When I refueled it yesterday, I noticed a strong gasoline smell and an oily liquid (presumably gasoline) dripping down off the bottom of the fuel tank. Only a small ...
1
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2answers
176 views

Problem with float height on a Honda CB400T

I might have a problem with the float height on my CB400T from '78. It seems to be running rough at a constant speed, however when i accelerate it'll go away until constant speed again. It's like ...
2
votes
2answers
5k views

EFI fuse blows randomly.

I am beating my head in with this issue. EFI fuse blows randomly, I have found no patter. When it blow, it will keep blowing them and not start. I have to disconnect the battery first and then replace ...
1
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0answers
51 views

What is the plastic plug for on the bottom of an SU HS4 Carburettor Piston?

Please could somebody explain the purpose of this plastic plug on the bottom of my SU HS4 carburettor piston? The lip of the plug protrudes very slightly from the bottom of the piston (shown bottom ...
0
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1answer
227 views

2002 Ford Taurus shakes and dies at idle and has a gas smell at high speed

My mother has a 2002 Taurus that keeps giving her problems. The latest issue is it shakes very badly and dies at idle and at very slow speeds when breaking. If she gets it going up to highway speeds ...
1
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1answer
73 views

Fuel Pump Failures

I have a 2015 Hyundai Accent with 45,000kms. The tank fuel pump has failed twice and the high pressure fuel pump once. Anyone know what would cause such failures?
7
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2answers
425 views

2002 Citroen Saxo - Clicking / tapping noise from inlet manifold

I have a clicking / tapping noise coming from the inlet manifold on my 2002 Citroen Saxo VTR (1.6 8v) I have manually adjusted the valve clearances (see this video to hear what the engine sounded ...
0
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1answer
14 views

Hyundai i20 1.4 glide 2012 model

Evening guys, my car has a very serious problem, it consumes too much fuel and i have noticed that my rev counter is very high when driving, if am driving 100km\h the rev counter would be at 4100rpm, ...
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0answers
21 views

Mazda 6 MZR-CD diesel fuel issue

I have a mazda 6 mzr-cd turbo diesel wagon 2009 model. I just purchased the car and after trying to jump the car i thought the engine had no compression. However after trying again with a stronger ...
1
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1answer
47 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 ...
2
votes
1answer
177 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 ...
0
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1answer
111 views

94 Honda Accord VTEC motor spitting and sputtering sit in the yard for 8 years

_ we change the fuel pump on my 94 Honda Accord 2 door e x VTEC motor and yesterday we change the fuel filter I got in it this morning to go to work and it's spitting and sputtering so bad I couldn't ...
2
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0answers
124 views

Engine jerks at certain RPM - Misfire & fuel system over pressure [P000F, P0302]

My Audi A5 1.8t has started having some hiccups after an engine job (Changed valves, timing chain & camshaft intake side) The car starts fine, it sounds fine, but it has the following problems: ...
1
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1answer
47 views

Why is there no power going to my fuel pump?

2003 Kia Spectra, here's the backstory : I recently changed the spark plugs and soon after doing so I tried to turn the car on and it only cranked. The owner before me probably try to work on the ...
17
votes
13answers
259k views

What does Honda's 'Econ' button do? Does it truly improve fuel efficiency?

I recently bought a Honda Civic that had this in the car: I have no idea what it does, and how it's supposed to help. Even Honda's website is ambiguous, just using a lot of fuzzy words to describe ...
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0answers
61 views

Audi A4 Going Into Limp Mode

I have an Audi A4 B7 and as soon as I bought it off the lot, it started going into limp mode around 3k RPM. it doesn't go any higher than that even when I rev it. I have replaced the cam follower I ...
0
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0answers
48 views

Nylon fuel line pro/con?

('07 vanilla Cobalt LS) Car has pretty rusted fuel & vapor lines, with a 'small' leak in the fuel one. I'm considering just replacing the whole line, tank-to-engine with nylon. (eg, this, or ...
0
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0answers
44 views

Two Exact Cars, Two Live Data Graphs - What the hell does this mean?

Ford Ranger XLT 3.2L 4x4 2015 Diesel Automatic Live data from both vehicles, One on The left side is driving completely normal, the one on the right, has a loss of power, hesitation and black smoke ...
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0answers
225 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 ...
0
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0answers
68 views

Quick moving long term fuel trim

I have a 2004 Toyota Echo. It has been running pretty bad at idle, I don't have the CEL on. I scanned it and when warmed up the LTFT are up to 32%. When I rev it up to 2000-3000 rpm they will ...

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