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

Filter by
Sorted by
Tagged with
6
votes
2answers
181 views

How can vehicles run on E?

Sorry if this topic is too open ended I'm new to this site. I am studying engines and how they work and I keep wondering, how do cars with no gas still manage to run for a few extra miles? If you ...
6
votes
5answers
17k 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 ...
6
votes
2answers
2k 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 ...
6
votes
2answers
722 views

What is a safe procedure for replacing a fuel filter on a 2000 Toyota Camry?

I bought this 2000 Toyota Camry from some very nice folks who cannot even spell "maintenance". So I need to replace the fuel filter as no one knows when it was last done. What I would love to know is ...
6
votes
4answers
511 views

Is it even possible to buy gasoline anymore that does not contain ethanol in the US?

I can't remember the last time I went to a gas station and it didn't have a notice that the gas contained some quantity of ethanol. As I understand it, ethanol is harder on my engine than regular ...
6
votes
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 ...
6
votes
4answers
3k views

Is it feasible to Turbo a NA engine while maintaining 87 AKI octane fuel use?

I have a Honda Civic with a naturally-aspirated Honda D17A2 (9.9:1 compression ratio). Goal: I want a modest horsepower gain (say +38 hp) in the lower-mid-range powerband; I'm not after the maximum ...
6
votes
2answers
10k views

Properly draining a motorcycle carburetor

How does one properly drain a motorcycle carburetor and ensure that no additional fuel drains into the fuel bowl(s)? I opened the two draincocks seen above the choke in the photo below, but even after ...
6
votes
2answers
122 views

Dirt bike carburetor problems

I just bought a new float needle that fits and it still seem like the tang is not even touching the needle when I press the floater all way in.I have a PJ carb,maybe the floaters are to a pwk carb,...
6
votes
2answers
30k views

additech fuel additives - good idea or not?

When you get gas from a Wal-Mart that has a gas station you can pay extra for fuel additives. $14.99 for a "fuel system service", which is supposed to offer "complete fuel system cleaner", $2.99 for "...
6
votes
2answers
20k views

What causes too much fuel for my Briggs and Stratton engine?

I recently bought a generator that uses a Briggs and Stratton 17hp Vanguard engine. Before purchasing the generator, it had not ran in several years. The fuel was stale and the oil needed to be ...
6
votes
6answers
19k 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 ...
6
votes
1answer
2k views

Is there a standard for how much fuel is left in the tank when the meter reads empty?

I know this question is very similar, but I am specifically talking about the fuel gauge and not an indicator light. Almost every car I've owned could run for quite a while with the fuel gauge reading ...
6
votes
2answers
1k views

Calculate amount of fuel injected

How do I calculate the amount of fuel injected (both gasoline and diesel cars). I want an instantaneous value. http://www.rceng.com/technical.aspx Websites like these ask for 'Desired Crankshaft Power'...
6
votes
1answer
1k views

Fuel Pump Suction Performance

Electric Fuel pumps and mechanical fuel pumps are well specified when it comes to pressure and flow rate .Reputable manufacturers provide a curve of pressure say PSI Vs flowrate say Gallons per hour. ...
6
votes
1answer
811 views

1998 V6 Mustang -20+ LTFT on both banks

I just finished doing a bunch of work on my Mustang (replaced all gaskets down to head gaskets on engine, had the heads milled and a valve job done, replaced all the fuel injectors, new fuel injector, ...
6
votes
1answer
41k views

1991 Chevrolet S10 - Sputtering, hiccups, stalling, bad acceleration

I'm having a problem with my pickup; It's a 1991 Chevy S10, 2WD P/U, 2.5L I4 engine with around 185,000 miles on it. It's the Iron Duke engine, a throttle body injection motor. I'm not a mechanic, ...
6
votes
1answer
36k views

2008 Ford Mondeo 2.0 TDCI cranks but won´t start

Ok, so I´m having this problem with a 2008 Ford Mondeo mk4 with a 2.0 TDci engine code AZBA, same one Peugeot uses in other cars such as the 407. Car was having trouble a few days back to start ...
6
votes
3answers
20k views

Methods of diagnosing a non-starting Fiat Uno

I have a little Uno inherited from my dad. Just before he passed away he was having trouble getting it to start, and before that, having it die on a drive somewhere, even close. I would now like to ...
6
votes
3answers
10k views

Motorcycle with EFI not starting well

I have a 2012 Kawasaki W800. On cold mornings it is difficult to start - it turns over quite a few times before it catches. This is compared to my old carburettor bike which started instantly with the ...
6
votes
2answers
2k views

2010 Toyota Corolla - pumping gas - the gas pump kicks off constantally

In another forum someone said "Screen down the fillneck may be partialy plugged up with matter." Is this something a neophyte can change or fix himself, or should I take it to an auto shop? How can I ...
6
votes
1answer
3k views

Fuel meets rubber

When working with on (diesel) fuel system components the instructions often advise keeping fuel off of rubber parts or cleaning it up promptly if fuel gets on them. OK, I can get behind that, but what ...
6
votes
1answer
469 views

2007 Chevy HHR, check Engline light ON, 2 to 4 cranks to start, won't accelerate beyond 80 mph

I took the car to my local mechanic two weeks ago with the problems described above. He replaced the air filter, spark plugs, and did an oil change, saying those were likely the issue. After these ...
6
votes
1answer
715 views

How do maintenance costs compare between gas and diesel engines?

Our landscaping company is going to purchase a new medium duty truck. We have diesels and had just defaulted into looking for another diesel powered truck. However the mechanic we use (and trust) said ...
6
votes
1answer
977 views

How to install a Low Fuel Light and a Seat Belt Light?

I have a FAW V2. In its dashboard (meter), there is a Low Fuel Light and a Seatbelt Light, but they do not light up. While investigating why they weren't lighting up, I discovered that the FAW V2 ...
6
votes
1answer
537 views

2000 Celica engine dies or shakes when I pump gas

I have a 2000 Toyota Celica. At first it used to slip gears and then I had a mechanic check it out. He said its a solenoid in the transmission which he changed. The car sputters sometimes when at ...
6
votes
1answer
247 views

1993 Merc 300SE always stalling soon after startup, fuel pressure tests > 50psi

From the moment car starts to the moment engine stalls, which is about 40 - 60 seconds, fuel pressure is always above 50 psi. Can I safely conclude stalling is not caused by fuel system problems? I ...
5
votes
4answers
398 views

Why isn't injection managed to use the entire intake stroke?

As far as i know, electronic fuel injectors only know two discrete states, on or off. Under light load (ie. low rpm and throttle) the injector doesn't have to deliver much fuel. So naturally the ...
5
votes
2answers
2k views

What is E85 gasoline and how can I avoid it?

My new mower says not to use E85 gasoline. What is E85 gasoline, why should I avoid it, and how do I know if I'm buying it?
5
votes
2answers
703 views

Gas will not flow into tank

I have a 2012 Jeep Wrangler. Recently, I attempted to pump gas in my nearly empty tank, and after 4-5 Seconds, the gas began to backflow onto the ground. Each time I attempted to pump the gas, the ...
5
votes
2answers
782 views

Electrical issue in vehicle - fuel gauge drops to zero when horn is activated

Here is what I have been dealing with. Posted over on my vehicle specific board, but no one seems to have any idea. Instead of reposting everything hashed over there, I will post the original question ...
5
votes
2answers
1k views

Does the a gasoline or diesel engine supply fuel at high speeds when not pressing the pedal and more

Let say I directly connect a small engine to my bicycle, and that I'm superman who can overcome any force. Then I start cycling (using my legs...) - the engine starts to rotate, even though I haven't "...
5
votes
3answers
2k views

Toyota Yaris Fuel Saving

I use Toyota Yaris, 2005 Model, 1.3L, automatic shift, gasoline-powered vehicle, at 141.000KM. I go to work totally 30KM by my car on the highway weekdays. On the road my maximum speed is 90KM/H and ...
5
votes
3answers
8k views

Cranks, but slow to catch. Dies after starting

Recently my 2007 Mazda6 (2.3L I4) has been taking longer and longer to start in temperatures colder than about 5 F (-15 C). The car usually sits overnight for about 12 hours after I get home from work;...
5
votes
2answers
1k views

What is the difference between “multi port” and “combined port” fuel injection?

I have heard these terms tossed around quite a bit and I understand that fuel injection is needed in order to inject fuel in to the engine (from a fuel rail/injectors?). What is the difference ...
5
votes
3answers
5k views

Why is a volume test necessary when diagnosing fuel delivery problems?

I suspect my fuel pump causing intermittent driveability issues. I checked the fuel pressure at the fuel rail and it seems like the pressure is fine: ~2.4 bar at idle, 3.1 bar at engine off (3.09 bar ...
5
votes
1answer
4k views

Can I use ethanol instead of petrol in my car?

I have a 2001 Ford Focus (EU/UK spec) and I'm planning a road trip to Europe. My research shows that they serve up something called E85 at their petrol pumps in addition to petrol and diesel. I've ...
5
votes
1answer
1k views

How Long does engine take to relearn lean condition is resolved?

My recently bought 2004 Chevy Suburban 1500 is throwing P0171 and P0174 codes. Which indicates lean conditions on both banks. I found the MAF had a busted housing, which let in more air than it ...
5
votes
2answers
4k views

Engine sputters when turning left corner

In my 1986 Ford F-150 (carbureted) when I go left around a corner, the engine sputters. Feels very similar to running out of gas, but it picks back up once I stop turning. Only happens in a sharp ...
5
votes
2answers
6k views

Lean Fuel Code on V10

I have 1999 V10 Ford chassis on a 2000 Coachman motorhome. Engine starts great when cold, runs great, idles great, no skipping, missing, etc. Problem is that after driving more than 30 minutes or so ...
5
votes
3answers
11k views

Car stalls when braking (VW Mk1 Golf)

I have bought a Mk1 Cabriolet that has been sitting for over a year. I am trying to get it road worthy. So far so good, but I am having an issue with the engine and braking: The engine stalls when I ...
5
votes
2answers
10k views

Will 93 octane fuel burn completely in an 87 octane engine?

This is a little more specific than the "wrong fuel" question: I'm looking for the long term impact of using a higher-octane fuel in an engine designed for lower octane fuel. Not quite diesel in a gas ...
5
votes
1answer
3k views

What are the consequences of driving a car with a fuel filter installed backwards?

I changed my fuel filter today and noticed that the previous filter appears to have been installed backwards. I've probably been using my car for a few months with the fuel filter this way. What are ...
5
votes
3answers
87 views

What issue could I have that can be remedied by high quality gasoline?

I have a 2000 Ford Focus. 87 unleaded has always been an acceptable gasoline to use. For the past 8 months I have noticed more severe shaking at acceleration, whether I accelerate from a complete stop ...
5
votes
1answer
1k views

Motorcycle petcock leaking around bolts to tank

My petcock is leaking I originally thought it was internal do I took it apart inspected all the gaskets and seals and have it a good cleaning after reassembly it was still leaking and after a better ...
5
votes
2answers
226 views

Is it a good idea to top off the gasoline with higher octane fuel in a specific case?

When topping off the gasoline in a vehicle that is rarely driven (100 miles/month), is there any advantage in topping it off with a higher octane gasoline? I've heard stories that the octane of ...
5
votes
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.
5
votes
2answers
931 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 (...
5
votes
1answer
2k views

Engine starts with carb cleaner

I have a motorcycle that will turn over but not start. When I spray carb cleaner into the carb and crank it the engine fires up. Does this mean that the engine is getting spark but not fuel and that ...
5
votes
1answer
217 views

Can I put E10 unleaded fuel in my 2004 Ford Freestar 4.2L?

I live in The Netherlands and have an imported Ford Freestar 4.2L from the USA. This car is unknown in Europe and I can't find any info about this car over here. Can I put E10 (10% Ethanol) unleaded ...

1 2
3
4 5
13