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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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5answers
3k views

Gas pedal floored yet the car can't reach maximum speed

I'm running a manual Opel Corsa 2005 Sedan (engine code: C16SE, 1600cc). The problem I'm encountering is that the car won't reach its maximum speed of 200km/h as similar cars do. Instead, it stops ...
9
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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....
8
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3answers
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 ...
0
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2answers
65 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 ...
2
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1answer
21 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?
0
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1answer
40 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, ...
1
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1answer
20 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 ...
6
votes
3answers
7k 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 ...
4
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6answers
25k views

P0442: Faulty EVAP System

After seeing my CEL come on in my '05 Mazda 3 (just passed 100K mi.), I used my code reader to find out that the code was P0442. So I naturally came to this website to see what I could find on the ...
1
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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 ...
1
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0answers
56 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 ...
0
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0answers
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 ...
1
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3answers
51 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 ...
0
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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....
0
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1answer
41 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?
6
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6answers
17k 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 ...
3
votes
5answers
340 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 ...
0
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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,...
2
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1answer
49 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. ...
0
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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
1
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2answers
258 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?
1
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2answers
758 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 ...
0
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1answer
23 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 ...
5
votes
1answer
635 views

How to calculate fuel consumption and CO2 emission on flex fuel cars using OBDII data?

Here is the thing: I'm trying to estimate the fuel consumption of cars using OBDII data. It's quite simple if we can treat each fuel and its stoichiometric air fuel ratio separately, but when it turns ...
5
votes
3answers
391 views

Is a higher concentration of fuel system cleaner bad?

In my case I used Gumout. On the back of the bottle it says this: Add entire bottle to nearly empty gasoline tank at time of oil change. Refill tank with 18 to 35 gallons of gasoline. Do not ...
8
votes
8answers
41k views

What could be the reason and solution to a sudden drop in mileage?

Got my Suzuki Swift Diesel serviced two months back, and all of a sudden the mileage dropped from 20kmpl to 12kmpl and that is confusing! After i returned to Service shop, the guy said that there is ...
61
votes
6answers
268k views

How long does it take for gas to go bad?

Approximately how long does it take for unleaded gasoline in the tank and fuel lines to become unusable in a car that is not being used? What causes this, and what can be done to prevent or remedy ...
8
votes
5answers
72k views

What happens when you run out of fuel?

My question is specific to diesel or gasoline (petrol) engines. Many people told me that it is very bad to run out of diesel since it can damage the engine and it's difficult to re-engage it ...
0
votes
2answers
114 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 ...
4
votes
1answer
492 views

No fuel pressure after changing fuel regulator

I own a 2001 Blazer 4.3lt 4 door 4 wheel drive. I was having a hard starting problem it would take several attempts to start before it would run. On a few occasions it would back fire through the ...
0
votes
1answer
58 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 ...
5
votes
2answers
2k views

1997 Geo Metro dies after driving for a short time. What next in diagnosing culprit

Back Story: I recently took my Geo Metro on a road trip. 2700 miles of road trip. The first 800 mile nothing happened. Then going up a hill it died, dropped from 75 mph to 55 mph then the engine ...
1
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0answers
30 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 ...
5
votes
1answer
10k 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
2answers
151 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 ...
1
vote
0answers
1k views

Any stable alternatives for Z22YH (GM Ecotec GDI engine) high pressure fuel pump?

the main problem with these pumps (part number 815049) are: 1. Expensive: about 400€ for a new one, very hard to find a working old one. 2. Membranes: the membranes used in these pumps get broken ...
2
votes
2answers
3k 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 ...
0
votes
1answer
198 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
vote
1answer
58 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 ...
1
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1answer
59 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?
6
votes
2answers
355 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
votes
1answer
57 views

2004 Audi TT 1.8 poor MPG

I have Audi TT 1.8 04 plate My average miles is 50/60 per week. However I don’t seem to get many miles for a fuel tank. Average 210 for £60 fill up. What could be the problem ?
0
votes
1answer
96 views

glamour fuel injector repair

My glamour fi bike flooded and fully covered with water. after drying my bike i changed engine oil,air filter, and cleaned silencer and petrol tank. after that switch on the bike using key, then my fi ...
1
vote
1answer
40 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 ...
1
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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 ...
0
votes
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 ...
2
votes
1answer
63 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
votes
1answer
92 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 ...
12
votes
3answers
46k views

What's the meaning of a “lean” vs “rich” air fuel mixture

I'm learning about vacuum leaks on engine intakes and I'm hearing this terminology of lean air fuel mixture. I thought I heard of a rich mixture before too. What's a normal mixture referred to as? A ...
3
votes
1answer
148 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 ...