Motor Vehicle Maintenance and Repair Stack Exchange
Motor Vehicle Maintenance and Repair Stack Exchange

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

713 questions
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How do I safely siphon gas from a tank?

Our 2003 Windstar was recently totaled in an accident (everybody's ok). This happened the day after we filled the tank. Before we hand over the car to the insurance, we'd like to get the fuel out of the tank to use in our new car. I tried…
qualidafial
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Is it really not advisable to let your fuel tank get low on fuel?

I have frequently heard people blaming engine problems on letting the fuel in the fuel tank get too low, in so doing allowing sediment to be sucked into the fuel pump, which then causes a blockage. I personally find this very hard to believe for a…
HandyHowie
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Cleaning fuel injectors?

I took my car (2006 Honda Civic) to firestone to get an oil change and they told me I should get the fuel injectors cleaned. I was in an Advanced Discount Auto Parts store the other day and I noticed that you can buy a bottle of fuel injector…
Xaisoft
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Lada Niva 1700 Carburetor Model

The compression is good and does not burn excessive oil .Fuel consumption has dropped from 8 kilometers per liter to 5.7 kilometers per liter.Same driving cycle same location. What should I look for?
davet
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Subsitute for Leaded Gas

I have an old '73 240-Z that I am fixing up in class. Once I get it running, will I need to add something to the gas? I know that old cars ran on leaded fuel, the lead lubricating the parts as it ran. But leaded fuel is no longer available, as it…
Theo Belaire
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Why can't I fill my gas tank in one go?

For the past couple of months, I've been having trouble filling my gas tank. I have a 2003 Hyundai Elantra, which has a 55-liter tank (approximately 14.5 US gallons). When I buy gas, the pump clicks off after dispensing only two or three gallons.…
Scott Severance
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is there always pressure when taking off the gas cap? Does it relate to a full reading on gas guage?

When I take off the gas cap, there is noise from the tank like pressure is released every time. Is this supposed to happen? Would this also affect the gas gauge reading full all the time?
Ted Hoffman
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What is the Fuel Tank Ventilation Valve?

Asking this for a friend. Their mechanic says the fuel tank ventilation valve is broken. What is the fuel tank ventilation valve? What does it do? Is it an important part? If yes, Why? EDIT: In general, could they replace it themselves? Would it be…
George
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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. Looking at the curve shows that max flow is…
Autistic
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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 pump would shut off. I can only pump a few cents of…
Jagn94
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Car can't speed more than 100km/h

Last few weeks I get back from my hometown which is 200km in distance. For the 1st hour I travel using federal lane where I only speed less than 90km/h because of traffic and to avoid speed trap. As soon as I enter the high way, I try to speed…
AJ_Nur
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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 the consequences of this? Is there anything else I…
user17336
5
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No fuel pressure

97 Ford f350 7.3 turbo with duel tank set up ..... I need to know a few things. 1) what can cause no fuel to pump into the fuel bowl, other than the camshaft and the mechanical fuel pump? 2) with a new cam position sensor, I'm not getting any…
Michael
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BG 44K Fuel system cleaner?

What's the proper way of using the product? With full or half tank of gas? Is it recommended to do motor oil change after the cleaner? Thank you in advance for help.
user299344
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2007 prius premium gas or not?

I have a 2007 prius with around 125000 miles. my mileage dropped about a year ago. I had the fuel jets cleaned, but it didn't really make a difference. the dealer shop said it probably was the ethanol. I decided to experiment and see if the higher…
becky gaston
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