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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56 views

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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39 views

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
70 views

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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1answer
24 views

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
60 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?
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263 views

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
2k 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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1answer
73 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
678 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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3answers
2k 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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1answer
33 views

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
77 views

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 ...
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39 views

Power to fuel pump drops on engine crank

I have a Mk1 Golf with the injected engine. I have not been able to get the car to start due to no fuel reaching the engine. I have tested the fuel pump with a multimeter and have noticed the volts ...
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81 views

How fuel gauge works?

Can any one help me to understand the working theory for this fuel gauge. Is this similar to old type or does it has a digital sensor? This sensor belongs to Man-vehicle, its labeled as man tx-d683. ...
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1answer
47 views

What are the consequences of using a relay that seems to cause the fuel pump to be on all the time?

The fuel pump relay in my Mk1 Golf (1.8lt, injected) died. To get home I swapped it with the Load Reduction relay. The car worked fine, except that now when I turn the key to Accessories the fuel pump ...
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83 views

USA vs Europe fuel injector differences?

This question is out of curiosity as I didn't find any specs or datasheets after plenty searching. What would the differences in the fuel injector be for Europe vs USA markets? I've compared ...
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213 views

High concentration fuel detergent effects on oil

I just did an oil change. I was planning on putting some fuel detergent in the tank and run in through before the oil change but forgot. Can I still put it in now without having negative effects on ...
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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 ...
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2answers
99 views

Mitsubishi Mirage 1994 shudders with acceleration

My Mirage (1994, 4G13 (carb), ~95,000km) shudders whenever I accelerate. This is largely a recent problem. This generally occurs after ~2min of driving and persists for ~20 minutes. Depressing the ...
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2answers
224 views

No acceleration until depressing gas pedal some more, OBD shows P0170

My Mercedes CLK230 (1997, 4 cylinder) has the following issue: when I depress the accelerator pedal, (almost) nothing happens until a certain angle (not too much but clearly noticeable), and after I ...
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0answers
118 views

Crystals forming on fuel filter after removal

I recently replaced my fuel filter on my Mitsubishi Mirage (1994, 4G13, 95000Km). After having replaced it crystals (white, <2mm) had formed on both the inlet and outlet pipes. It was ~10°C at the ...
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0answers
70 views

Car keeps breaking fuel injectors?

Ok so i'm having quiet a strange issues with one of my cars (08 X5 E70 4.8L V8) that may be worth discussing. It seems to keep "blowing" through injectors on only one bank. Suddenly i noticed CEL and ...
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41 views

Engine dies after running for 30sec

so I have an old Renault 4 cylinder inboard boat engine here. it's older than I am and has a carburettor which you initially fill with gas by pumping it manually from an external tank using one of ...
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3answers
407 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 ...
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44 views

2005 Chrysler Town and Country: engine is little choking once started

I recently bought this van with only 100K miles second hand (meaning from the previous owner, not from the dealership). He was an older guy, probably didn't really had time to keep the vehicle up to ...
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1answer
1k views

Does every modern car have an evap vent valve?

My car has all the evap system, canister, and solenoid valve but as I am seeing on internet, people have [a] solenoid valve on their outlet vent on canister too which open and close by ECU to let the ...
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1k views

Why does my 2015 Ford Fusion not want to start after putting gas

The last couple of months my car has a hard time starting when I put gas in it. It doesn’t matter if it’s half tank or almost empty. It started with sputtering and hesitation and now it just tried to ...
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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 ...
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1answer
55 views

2001 ford e250 no start but has spark

2001 Ford E250 not properly long term stored. I can get it to crank/turn over but it will not run at all. It has 200,000 miles on it but has never had this problem before. I shoot a bit of starting ...
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3answers
47 views

Honda push mower

We got a Honda mower, used, but in good shape. However, last summer the wrong fuel was mistakenly used. It conked out. We drained it. Added the correct fuel. It eventually starts, while it spits and ...
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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 ...
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1answer
204 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 ...
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1answer
22 views

no fuel to carburater on new Kohler CH668 engine

I installed brand new Kohler CH 668 in my mower. Motor does not start, fuel comes to carburator, but no fuel sprays into it. When pouring small amount of gas into carburator, it will run for a few ...
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1answer
44 views

Fuel Pressure Relief Procedures - Evaluating Different Approaches

Relieving fuel system pressure is obviously an important prerequisite to many repairs and maintenance tasks. However, it seems as if there are a variety of recommendations to relieve the fuel pressure....
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1answer
33 views

'92 Lumina needs throttle input to stay running

My 1992 Chevy Lumina 3.1 starts very rough; you have to press on the throttle to start it and it sputters - almost dies - in gear. I put a new fuel pump in a couple months ago and today I put a new ...
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1answer
107 views

My truck won't start when the weather gets warmer

I checked this post, but it doesn't seem to indicate much regarding my issue: weather causing power loss But I have the following vehicle: Ford Ranger, 2003, 4.0 SOHC Engine Often when the weather ...
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1answer
111 views

2001 Vw beetle 02 sensor car will not go over 65mph

I have a 2001 vw beetle 2.0 engine with 171,000 miles on it. I have a check engine light on saying that bank 1 lean. It has been like this for years and I have had no problem with it. Yesterday I ...
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1answer
327 views

Why does my car have very poor acceleration?

I have a 2009 Peugeot with the 308 cc THP engine. The car has poor acceleration. Here are the codes: P2191 P2261 P2262 P0243 P0299 What do these mean?
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1answer
1k views

Do I need any special maintenance plan for a car only driven a every couple of weeks?

I work from home, so I seldom need to use my car. It's kind of nice that it can stay cleaner in winter, too. I could probably get away with almost never driving it winter, but I haven't prepped it ...
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1answer
466 views

Evap vent valve normally open - fuel vapors don’t leak out?

I’ve been reading up on general evap system operation and apparently the canister vent balance is normally open to the atmosphere and closes during leak testing and when vapors are being pulled into ...
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1answer
35 views

Fuel Economy Calculation

There are 2 possible routes in the morning. A 19 Mile route (which is mainly motorway). Average speed is 60 Mph and the average mpg is 45. Or a 11 route, flat ground but it's mainly city so the ...
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1answer
258 views

How does EVAP interact with a vehicle?

I have an EVAP system (mandated by California) on my Yamaha FZ-07, but only a minimal idea of how it works. First of all, it looks like my fuel tank has a separate "breather" hose separate from any ...
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298 views

Mazda Demio fuel gauge not working

Everytime I fill up it runs out quite quickly and I’ve just recently tried to fill up again and the reading hasn’t moved at all... help me? it’s a Mazda demio 2010 I haven’t had it for very long but ...
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1answer
163 views

What causes a code po300

2003 chevy Silverado has check engine light on but it flashes and won't go solid. It use to happen when it was wet or raining out but now its all the time. Could it be a ground issue
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1answer
3k views

Engine shuts off while driving

My classic 350CC is 4 days old. I have experienced an issue that I am riding the bike the engine cuts out. The fuel tank has close to 6 liters of fuel and set the fuel knob to ON. I immediately ...
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0answers
67 views

Went thru puddle now says im out of gas?

I have 13 Ram 1500. I recently replaced fuel pump and sensor and battery. Last night i filled up my tank . i wound up going through a huge puddle as we had flooding. Next thing i knew my gas light ...
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30 views

Car wants to die and bog out after driving short distance

2000 Camry LE 2.4L When driving, approximately 5-8 miles or so, car wants to die and bog out. I try to pump the gas pedal and ends up sputtering and dying. Could it be the fuel pump? Replaced fuel ...
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1answer
256 views

Fuel stabilizer - marine or regular

I had a small engine mechanic acquaintance who seemed knowledgeable recommend that I always store my equipment full of fuel treated with Marine STA-BIL as opposed to regular storage STA-BIL. After ...
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2answers
1k views

OBD-II Fuel type and level of Monofuel Cars

I'm making an application like Torque and i have some issues with commands of Fuel Type and Fuel level with cars that use only one type of fuel like, Only Diesel or only gasoline. With car Bifuel ...
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1answer
58 views

Putting fuel in my vehicle. Having trouble starting

When I fill up my 2008 Santa Fe, I have trouble keeping it started. I have to start it 3 or 4 times then start it in neutral, throw it in drive and take off really fast. It will eventually started. No ...