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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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What should a normal fuel pressure reading look like?

Some quick background: While idling, my 2007 Ford Focus "revs" at about a 1-second cycle, you can hear the engine subtly go "wroom / wroom / wroom". It has issues with long crank times to start and ...
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How to deal with watered down fuel?

I asked this question Why did car go quiter and cut out after fuel change? and somebody mentioned in the comments that I may have used watered down gas. This seems plausible and I did think the fuel ...
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Leaving Bike unused for 3 months

I am going out of country for 3 months is it okay if i leave the bike unused for 3 months ? and what to do to protect my bike for any loss ?
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Fuel consumption

Purchased a BMW 730d 5 months ago , disconnected my battery to fix my starter , when i put the battery back the fuel consumption reader goes to zero 0000 , when I started driving the fuel reader ...
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1answer
35 views

Cause of faulty EGR valve

I recently had my diesel Range Rover sport serviced but the garage didn’t re-seat the fuel filter correctly causing a leak of fuel. At the same time, my engine light came on and it turned out to be ...
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2answers
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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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Unexplained fuel pump residue that ruined fuel pump

A couple months back I posted a Question about my sisters fuel pump that suddenly stopped working after she walked Inside, The night before she swore that she had a half tank of gas, To make a long ...
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3answers
56 views

No lights or radio; won't turn over. Battery is fine

I have a 2002 Chevy Silverado 1500. My buddy replaced my fuel pump recently, and while he was dropping the tank he broke a fuel line, so replaced that as well. About 4 days afterwards, my check ...
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1answer
21 views

How to test a fuel pressure regulator

How can you test a fuel pressure regulator if the car has no fuel pressure I removed the tank and fuel pump even though I heard it prime, I tested the ohms on the gas leveler and the ohms did rise as ...
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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 ...
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3answers
133 views

What can cause “check gas cap” warnings other than a loose gas cap?

I have a 2006 Saturn Ion, and a few months ago I started getting a warning about my gas cap. Specifically, as I was driving the dash display would beep and say "Check Gas Cap." I bought a new cap to ...
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Very slow Acceleration

I have a 2003 nissan sentra gxe 1.8 and for the past 2 weeks it's been accelerating very slow when it first started I was gradually able to accelerate to 70 on the freeway but now it's gone down to ...
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How to drain the fuel tank on a first gen (2000) SV650?

I’ve got some fuel line (top yellow fuel line in picture) from the petcock to a gas can. I disconnected the vacuum line. I read some cryptic hints about Mity-vacs and opening the throttle but ...
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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 ...
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1answer
79 views

Gas leaking from this tube,wondering what exactly this tube is

Hello, I'm fairly new to mechanics of motorcycle(riding for 2 years but never tried to repair it myself till last month). As I noticed I am using way more gas than usual and there was gas odor, then ...
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91 octane misfire but 95 or 98 no misfire

My car has one strange issue which affecting starting and misfire. With 91 octane starting is good but misfire randomly at idle with air con on. With 95 or 98 octane starting is very difficult I ...
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2018 Honda Civic warning lights all on power steering,abs,emissions,uphill contaminated gas?

2018 Honda Civic ex with 2000 miles on it. Abs emissions power steering uphill lights all on the dash. Took it to the dealer and they said it is contaminated gas? Has anyone every had this happen? I ...
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1answer
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Turbo Diesel Smoke from Fuel Filter body

A friend of ours has a 2005 Ford Mondeo 2.0 TDCI which is a common rail turbo diesel. Today, lots of white smoke came from under the bonnet (hood) which appeared to be coming from the fuel filter. ...
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1answer
50 views

Why does turning ignition to ON not power the fuel pump?

I am currently testing my fuel system (Toyota, 5VZ) to diagnose a P0171. The Service Manual says this: Connect a TOYOTA hand-held tester to the DLC3 Turn the ignition switch ON and push TOYOTA hand-...
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0answers
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Exterior gas tank

So I have a 2004 Chevy Silverado 1500 I do a lot of driving and want to put a gas tank in the bed, then tap it into the gas tank under the truck. What would be the best way to do that? Would I have to ...
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2answers
31 views

Failed motor mount on 2007 Jetta Wolfsburg edition

7 months ago a motor mount failed on my 2007 VW Jetta Wolfsburg edition. Since then it has sat 7 months. It was running fine the last time it was started. Should I replace all the motor mounts, or ...
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1answer
34 views

2012 Mini Roadster S R59 P15DF code

wondering what else I can do to diagnose this. Here's some background and what I did so far: 2 weeks ago I replaced the throttle body. To be able to access it, I had to remove the intake manifold and ...
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2answers
71 views

Fuel smells inside the car when at idle

I have a 2002 Honda civic 1.7L. The car started to make a deeper sound and at idles with heat on, it smells fuel inside the car. Not sure if related, I recently went camping, I parked the car on a ...
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Four cycle engine with oil in gas. What should I do besides new spark plug?

Honda GC160 5.0 emits thick blue smoke. I used it several days when it came to a stop. Filled the tank with fresh (no mix) gas & it would not start. Bought & changed the old spark plug. After ...
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Maruti Suzuki Wagon R K10B - Engine goes off on leaving the accelerator pedal

I own a Maruti Suzuki 2013 version fitted with K10B engine. My car goes off even at 120kmph if i took off the leg from the accelerator pedal. While driving it goes without turning off for around ...
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1answer
99 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 ...
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Why would this happen:

If anybody could help me understand this behavior, I'd be grateful: 2003 R1 5PW, Fuel-injected, has an alarm/immobilizer fitted, doesn't report any fault codes: Motorcycle would occasionally (three ...
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Suzuki SD 110 cc

bike almost 9 years old, replaced carburetor once so it is 5 years working perfect. few days ago i changed gas filter because it was looking too sluggy. (petrol filter that not actually installed by ...
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Fuel in oil, #3 injector code, and won't start now

I have a 2007 Ford Escape XLT 3.0. I'm having trouble with it jerking and using a lot of fuel. The codes showed #3 injector. I've changed the #3 3 times, as well as coils, plugs, PCM, and now ...
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1answer
44 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 ...
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1answer
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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 ...
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1answer
130 views

Diagnosing a p0420 code for 2005 nissan x-trail 2.5L

I own a 2005 nissan xtrail with a 2.5L engine (QR25DE). I have problems with my vehicle, too much fuel consumption ( 3.8km/L ) My car has a 60Liter tank , my last fuel up gave me 229KM until the ...
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Dodge Ramvan B250 starts after 10-15 seconds crank - where is the fuel?

I have a 1989 Dodge Ram Van B250 TBI 5.2L 318ci engine. It takes about 10-15 seconds of cranking to start the engine. After it gets hot sometimes it never starts. I'm getting afraid of taking it ...
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0answers
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2000 Sierra 1500 4.8L Engine not revving properly for several minutes after start

For the past couple weeks I've been consistently having a weird issue with my 2000 Sierra 1500 4.8L when I first start it up. The engine will start and idle fine, but when I give it gas the engine ...
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0answers
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2006 Haundai Elantra stalled out of highway, fuel issue

I have a 2006 Haundai Elantra. About 3 months ago the check engine light came on and I thought it was to do with the oil needing to be serviced. I went ahead and got that taken care of but the light ...
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1answer
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High rpm on neutral but flatting the gas pedal on D doesn't increase the rpm

I am making this question as an update to my previous question . I am not sure if updating that question will draw attention to it or keep it buried in the sea of questions here, if it gets updated ...
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1997 Subaru Legacy isn't able to accelerate correctly

When pulling out from a stop sign the car sputters and spark knocks and will sound like its missing
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2005 Escape fuel door won’t stay closed

I have a 2005 Ford escape. The fuel door was hit from behind while it was open, causing it to push farther open than it was supposed to. Ever since, it will close normally but it will eventually open ...
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1answer
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Regarding the fuel pump

My fuel pump is failing. There is a lot of leakage happening. Please provide me some tips for taking better care of the fuel pump
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1answer
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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?
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2015 ford 6.7 no start was running fine now it cranks but no fuel?

I just got a 2015 superiority. It was driving fine. I shut it off now it cranks but won't start. Sounds like no compression, Yen I spray start fluid it starts for a sec then dies
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1answer
292 views

Fuel gauge not working on 50cc moped

I recently bought a second hand 50cc moped, and the fuel gauge always reads empty. I assumed that it was the float sensor that was at fault, so I bought a new one. I connected the new sensor but the ...
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Driving in 2nd gear, car died, won't start again

I have a 2003 Chevy Cavalier. I had just gotten on the interstate and noticed the car running rough. It wasn't too hot. I managed to get up to about 60-65 and suddenly the engine died. When I got ...
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1answer
48 views

Running fuel injector outside the engine

I want to use an arduino I have lying around to make a fuel injectors tester/cleaner. It looks pretty simple, just connect the injector to a battery and the pin that goes to the ECU to a pulse ...
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1answer
254 views

Fuel Rail Pressure dropping & engine shutting down - Whats the cause?

Lately my car had shut down its engine mutiple times while I was driving. Before shutting down it felt like I took of my feet from the gas pedal and then pressed it again althrough I always was on ...
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How dangerous is a hydrogen generator in a vehicle? [duplicate]

I was told that using this system in the picture below is unsafe, but I am not sure? Propane tanks seem dangerous to me. How can a safely install this devise on a fuel injected car?
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Issues getting my new mechanical fuel pump to work

Installed new fuel pump now I'm having a hard time getting the fuel up from the tank to the to the engine I've tried to afford gas in the carburetor and I put gas between the carburetor in the pump ...
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3answers
620 views

Can running with incorrect air fuel ratio cause engine oil to go black?

I think I read that if say you had faulty o2 sensors this might cause an incorrect air fuel ration which in turn could be one reason an engine oil becomes black. Is this correct?
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How can I clean out bad fuel from my diesel engined VW Transporter?

How do I clean out bad fuel from my VW transporter TDI, and also clean the injectors. Can I do this myself? Edit: Dirty/water fuel not incorrect fuel. It’s dirty...
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1answer
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Bajaj discover 125(2011model) runs like always giving reserve fuel warning even when fuel is sufficient

I have Bajaj Discover 125 (2011) model which has always been taken care by me. as i dont ride bike much it only ran upto 20,000 km till now in plains. (Punjab). Everything was fine and the bike ...