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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Excessive pressure in the fuel return system

Mercedes-benz w211 cdi 2.7 Diesel (2002 year), There is excessive pressure in the fuel return system, (in engine, fuel return hose was removed itself by pressure ). Is there valve or something like ...
Oto Shavadze's user avatar
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1 answer
135 views

Why does my Ford Focus 2018 not go past 55mph?

My Ford Focus 2018 recently has been giving me issues. It stalled on me and wouldn’t turn back on and then gave me an engine code P0087 - Fuel Rail/System Pressure - Too Low - I just got a call back ...
Bryan's user avatar
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3 votes
2 answers
254 views

What are the side effects of disabling fuel tank ventilation?

what are the side effects of disabling fuel tank ventilation? Especially for petrol cars. Is it true that the ventilation system, which constantly allows the air to move into and out of the tank ...
locke's user avatar
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0 answers
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Push vented gas cap vs standard gas cap

I have a 2008 Toyota RAV4 and am replacing the gas cap. At AutoZone, I can choose from a standard cap or a vented fuel cap: AutoZone 6817A is a standard gas cap: https://www.autozone.com/fuel-...
Intrastellar Explorer's user avatar
2 votes
1 answer
117 views

Subaru Crosstrek sat for 9 months, jump started fine, then died after 5 minutes

I have a 2019 Subaru Crosstrek. I was out of the country for 9 months so left it garaged. I just got back and tried starting it. It jump started immediately which was great. I let it idle for a few ...
David Watson's user avatar
0 votes
1 answer
88 views

Mazda 3 2015 2.2L diesel shakes each time when started up

My Mazda 3 2.2 diesel shakes when starting up even when using auto stop/start in traffic or at a red light. I took it to a mechanic and they checked the clutch kit and flywheel but did not resolve it. ...
Nima's user avatar
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1 answer
41 views

barely runs, it seems like no fuel or some electrical problem, but it has no oil pressure, what could this be?

My 2006 Chevrolet Silverado 3/4 ton with a 6.0L V8 (LQ9). Has no oil. But it seems like it's not getting gas. Or it's an electrical problem. Truck barely runs, what can this be?
Todd Wagner's user avatar
1 vote
0 answers
38 views

25%/70ms dropouts in fuel pressure in Cummins ISL 07

The first picture is low idle, the second is high idle. With the exception of the spikes, the high idle looks more normal to me. Anyone know what this signifies? I just replaced the PRV which was ...
Milford Trout's user avatar
0 votes
1 answer
224 views

two stroke engine with an oil pump? possible, why not?

so, in the two stroke engine, the fuel and air passes through the crank case, and it's said you can't have an oil sump in there because it would get consumed into the engine. However, I know like my ...
sergbot's user avatar
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1 vote
1 answer
155 views

Peugeot 206 2.0 HDI rough idling and delay to turn off after diesel filter replacement

I own a Peugeot 206 (2008) with a 2.0 hdi engine (I believe the engine code is DW10TD) with a Siemens fuel system. After changing the fuel filter, I turned it on and found it was idling a bit rough. ...
Sandro Pastorini's user avatar
1 vote
1 answer
65 views

New fuel pump, but car didn't start until tank was about half full

Replaced the fuel pump on Dodge Intrepid 2001, 2.7L engine. Before dropping the fuel tank, drove it until about 1/8 full, so that it would be lighter. Installed the new fuel pump, strapped the tank ...
TLex's user avatar
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1 answer
339 views

2014 Dodge Grand Caravan sporadic crank no starts

Good morning, I have a 2014 Dodge Grand Caravan that occasionally has a crank/no start problem. Occasionally, after sitting overnight, or for over an hour it will crank fine, but will not start for ...
Ben's user avatar
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1 vote
0 answers
504 views

Car is very sluggish to accelerate - Ford Territory

So car has bad acceleration,it's an Australian ford territory SY, feels worse when accelerating around a corner but still horribly weak going straight. The instant fuel shows a jump to like 25-40l per ...
SeñorKipp's user avatar
2 votes
1 answer
143 views

Two-stroke 40:1 fuel mix in a modern vehicle

I have a 1.5 gallon can of 40:1 fuel mix for my single 2-stroke tool, a chainsaw. I rarely use it, like maybe once every 2-3 years, so despite using a fuel stabilizer, the can of mix can get really ...
Carey Gregory's user avatar
6 votes
2 answers
4k views

Accidentally put regular gas in Infiniti G37

So my 2013 Infiniti G37 requires premium gas (91 octane) but I just got it so I didn’t know, and I accidentally put regular gas (87 octane) into the car. I filled my tank almost fully with regular gas....
Kyle's user avatar
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1 vote
3 answers
796 views

Reparing a pinhole leak in fuel line connector

My 2013 Civic developed a pinhole leak on the high pressure fuel line where it attaches to the fuel pump. I'm considering repairing this leak using a fuel-proof sealant like Seal-All or JB Tankweld. ...
Chris Vesper's user avatar
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1 answer
30 views

Mower won't start

I have a 4 hp Briggs and Straton lawn mower engine that won't start at all. I've changed the spark plug, air filter, carburetor float valve and seat. Gas is also new. Can't even get a sputter out of ...
cookiejorge's user avatar
1 vote
4 answers
2k views

*New update please help* Stalling and hesitating in Kia Sorento after getting gas

I have a 2011 Sorento that has been a mystery. It started hesitating and sort of hiccuping seemingly randomly a few months ago. Fast forward and we have seen three mechanics and there are no codes ...
Helloworld's user avatar
2 votes
1 answer
70 views

Ariens 911016 mower fuel intake problems

Started up mower this season after sitting all winter with fuel in the tank. Engine will start up for a few seconds very robustly and then sputter out. It was running last season, not perfectly but no ...
Nick Cherry's user avatar
3 votes
1 answer
387 views

Kubota Z402 Plumbing Issues

I am currently restoring a Kubota Z402 engine (used in an Aixam 500SL) that has been treated quite badly. While I have been making some progress I am struggling with the plumbing of the engine. One of ...
Yanick Salzmann's user avatar
1 vote
1 answer
273 views

Fuel line connector disconnected while driving

Car: clio 1.2 43kw, 2000, d7f engine, 8v Car was difficult to start and while driving it lost power. I parked it in the city. The fuel line connector to the fuel injector rail disconnected and the ...
Alex J.'s user avatar
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0 votes
1 answer
157 views

Motercycle won't start after spraying WD40 in fuel line

I own a 2011 Honda CBR 250r MC41 which was sitting idle for a couple of weeks, if started flawlessly except it won't idle at 1.5K and died after a few seconds. So, I tightened loose air box hose clamp ...
Caesar's user avatar
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4 votes
1 answer
867 views

Why does the fuel pump buzzing sound go away after a couple of seconds?

In every fuel injected car that i drove that had electric fuel pump, i always hear the fuel pump buzzing sound after turning the ignition on however after a couple of seconds the buzzing sound goes ...
Timothy Scherer's user avatar
1 vote
1 answer
51 views

What are ways to prove this?

Bad gas? What would I look for? Specifically, what are ways to tell if it was bad gas that killed an engine, cylinder, cat? Whether it be poor quality fuel (diluted, water or other), or even, Improper ...
Mr. Hyde's user avatar
1 vote
0 answers
70 views

2008 Yamaha Zuma won’t start

Will not turn over unless I cover the air intake on the carb with my hand. Fuel gets sucked in and it runs until there is no more fuel. It’s not getting fuel by itself.
Greg's user avatar
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1 vote
0 answers
83 views

2001 Honda Accord Fuel Line Parts

I'm replacing my leaky, rusty fuel line on my 2001 Honda Accord LX. I'll be using 5/16" copper nickel tubing. I'm looking for fittings to attach to the OEM rear quick connect supply and return ...
user3080392's user avatar
0 votes
1 answer
982 views

Starting a vehicle that has been sitting for 2-3 years: Gasoline/Petrol/Fuel

What to do about the fuel (gasoline/petrol) in a 2010 Toyota Prius that has been sitting unused for 2-3 years before attempting ignition? I found this related QA and one answer mentioned using SeaFoam....
End Anti-Semitic Hate's user avatar
5 votes
2 answers
1k views

Does electric fuel pumps run at constant or variable speed?

In websites I have seen that fuel pumps have a pressure range of say 30-95 psi. Why do they give a range of pressure? I had read that these pressure values refer to the unobstructed flow pressure ...
Abhishek P G's user avatar
1 vote
1 answer
143 views

Where is fuel line location under the hood? ( Closest one to the engine ) ( BMW 118d 2004 1.9 Diesel )

BMW 118d 2004, 1.9 Diesel Hi everyone, I have one question coming from the very specific situation that happened. Couple of days ago I went to gas station and guy that works there accidentally put 20 ...
Sergej Zivkovic's user avatar
1 vote
1 answer
82 views

Replace Old fuel filter or Fuel Pump | Dilemma

The mechanic today diagnosed my car rail pressure with roughly around 15 psi (1.5 bars) and it should be around 30-40 psi (2.5-3 bars). He told me that it could be fuel regulator, fuel pump or fuel ...
user74015's user avatar
0 votes
0 answers
119 views

What is the name of the component which looks like fuel tank pickup in Hyundai i20 diesel?

The vehicle in question is a 2016 Hyundai Elite i20 Diesel launched in India. For a petrol engine this would be the fuel pump assembly, but I couldn't find the name for the same part in diesel model. ...
mad_greasemonkey's user avatar
1 vote
2 answers
70 views

2021 4Runner broken into. Person left a multi tool and an easy flo spout inside. Vandalism or theft?

My 2021 4Runner was broken into. The rear window was all smashed and the person left an easy flo spout accessory and a bike multi-tool inside My initial suspicion was gas theft but when I read more ...
PuppyHeadedNinja's user avatar
1 vote
1 answer
48 views

Fuel/gasoline smell under car. Normal or problem?

Is there any normal process or function which could result in some fuel / gasoline smell under the vehicle? Or does this necessarily indicate an issue? On a 2009 Toyota Venza, I got some whiffs of ...
adatum's user avatar
  • 253
0 votes
1 answer
49 views

Why would a properly sealed fuel tank help with cold starting?

Weird question I know. For a long while my Mk1 Golf had trouble cold-starting. It would cough a few times but not catch until maybe the 6th attempt. Over the years I tried a number of thing to try and ...
MeltingDog's user avatar
  • 3,726
0 votes
1 answer
132 views

White outdoor riding mower wont start

Mower was running let sit for 2 months so I drained the gas took bowls off carbs cleaned everything .still won't start unless I spray carbs acts like not getting gas
Tom's user avatar
  • 1
0 votes
1 answer
101 views

Audi 100 C3 engine stops mid drive

I have an Audi 100 C3 from 1985 (66kw). It has a carburetor, which is tuned automatically. On random occasion engine stops working mid-drive. This usually happens 2-3 minutes into the drive- engine ...
Kaarel Allemann's user avatar
1 vote
1 answer
681 views

Car jerks when low on fuel during acceleration and turning but then runs ok

I found a weird problem with my BMW E90. Recently when the fuel was low the car jerks when accelerating from start position and when the car is running it runs fine. Also yesterday while at the ...
BiologyEnthusiast's user avatar
2 votes
1 answer
764 views

Can I make my own fuel pump gasket?

The gasket around the in-tank fuel pump on my car disintegrated and is leaking. I can't seem to find a new replacement anywhere. Could I just cut my own out of a piece of rubber or cork?
MeltingDog's user avatar
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3 votes
1 answer
117 views

RPM fluctuating at specific speed

RPMs start to fluctuate (more like large drop and back to 700 RPM and again drop and back to 700 and so on, but overshoot is not so evident) when coming to a stop only in window between 35-50 km/h and ...
spaceman's user avatar
0 votes
0 answers
97 views

Why doesn't my engine rev up when closing choke valve?

So I just installed a manual choke cable on my Mustang 1967 (Holley carb 4 bbl), and upon startup I pull the choke and see the valve close but the engine does not rev up at all. I go as much as to ...
Omar Khoali's user avatar
0 votes
2 answers
157 views

How to measure engine's fuel consumption?

I know this question might not be new, but I am still asking this question as I haven't yet got any satisfactory answer to this. I have done quite a research on this topic and will sum up it here: To ...
Jignesh M. Khatri's user avatar
2 votes
2 answers
314 views

2007 VW Rabbit seems starved for fuel after sitting, but then work perfectly once started

I have a 2007 VW Rabbit that has had starting issues. A few thousand miles back, it would not start, and I changed the plugs, ignition coils, fuel injectors, air filter, and fuel filter. It then ...
David's user avatar
  • 151
1 vote
1 answer
59 views

Driving with old fuel?

I haven't used my car in a while. The last time I refueled was back in December. I've used it a couple of times but nothing very significant, so I have over 30% of a tank left. Yesterday I drove it &...
hjf's user avatar
  • 111
0 votes
0 answers
3k views

Carburetor not drawing fuel from tank

So the title is kind of generic, but I am facing a bit of a weird situation. I am going to explain it first, but I also have some pictures at the end that might help. I have bought a cheap 2 stroke ...
Yanick Salzmann's user avatar
1 vote
1 answer
2k views

Do you need to bleed the fuel system after a filter change?

I put a new fuel filter on my car (2002 Citroen Saxo, 1.1 petrol engine) yesterday - pretty simple, just unclipping the lines from the old one and putting the new one in the same place. It's located ...
el_zilcho's user avatar
1 vote
1 answer
253 views

My car engine turns off while driving

I have Tata Tiago 2017. I am facing a problem specially in summer. When I drive more than 100 km car engine automatically turn off after 1-2 hickups. If you try to start again it works but again after ...
Sinchan's user avatar
  • 11
3 votes
1 answer
211 views

Briggs and Stratton Stalls after Sea Foam Treatment

I have an older 2cyl 16hp Briggs and Stratton engine on my old garden tractor. I inherited it with my property purchase, so I have no idea how it's been maintained. I put new gas in and changed the ...
Brian's user avatar
  • 31
2 votes
2 answers
2k views

What would cause multiple frequent fuel pump failures?

1986 Ford F-150 with a brand new fuel tank and fuel lines has gone through 4 mechanical fuel pumps in a couple of months. I put a sock on the pickup tube (was originally missing), an extra fuel filter ...
Troy's user avatar
  • 390
13 votes
6 answers
16k views

Ford Focus hard to start after fueling

I own a 2014 Ford Focus, with a 4-cylinder turbocharged engine. A few years ago, it developed a rather interesting issue. After I put gas in the tank, it gets hard to start, and is hard to keep ...
HiddenWindshield's user avatar
0 votes
0 answers
35 views

My fuel gauge is not reading my fuel level accurately

1998 suburban c1500 replaced fuel gauge with a known working gauge, installed a new fuel pump assembly. when you turn the key on the gauge jumps like normal and truck runs great what can i check next?
DAVID BALL's user avatar

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