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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0answers
45 views

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 ...
2
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1answer
312 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 ...
2
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1answer
459 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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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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0answers
68 views

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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1answer
3k views

Location of the fuel level sensor?

What is the location of the fuel level sensor on a 2008 Hyundai Santa Fe GLS 2.7L V6? Is there a special tool needed to remove the fuel level assembly from the gas tank? "P0464 code: Fuel level ...
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3answers
3k views

2011 Ford Mondeo 2.3L - petrol fuel pump keeps failing

I've had a 2011 Ford Mondeo 2.3L for about 18 months, and the fuel pump has failed for the third time. Each time the same story - the car drives fine, turn off the engine, leave the car, get back in ...
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1answer
2k views

How to use BG Fuel Injection System Cleaner?

Recently, after a periodic servicing visit for my car (which has a multi point fuel injection system), the mechanic handed me BG Fuel Injection System Cleaner Part No. 210 and asked me to put it in ...
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2answers
77 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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4answers
2k views

How much efficiency is robbed from 'pumping loss,' if any?

I'm specifically referring to the loss due to the pistons pulling air through a mostly closed throttle while cruising at highway speeds in a gasoline engine. To give an example, I've always wondered ...
3
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1answer
1k views

High O2 voltage paired with high LTFT reading

What is likely culprit when O2 pegs at .9 volts and stays there indicating engine is rich. Then as this continues for 15 - 30 seconds, the LTFT eventually climbs to +25% or more. Computer calculates ...
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1answer
65 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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0answers
146 views

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
192 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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1answer
28 views

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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5answers
24k views

P0442: Faulty EVAP System

After seeing my CEL come on in my '05 Mazda 3 (just passed 100K mi.), I used my code reader to find out that the code was P0442. So I naturally came to this website to see what I could find on the ...
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0answers
34 views

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
46 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 ...
3
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1answer
187 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 ...
8
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2answers
4k views

Why is the effect of a bad fuel pump more noticable at higher speeds?

I get that the main effect of a bad fuel pump is that the engine will cut out at higher speeds, and that this is often not easily noticeable until that happens because there are little or no prior ...
3
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2answers
188 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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0answers
24 views

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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0answers
18 views

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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5answers
5k views

How critical is it to match the stock fuel pressure regulator pressure when replacing it?

My fuel pressure regulator needs replacing, however the original part from the manufacturer is outrageously expensive. While looking for less financially painful alternatives I've seen much cheaper ...
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2answers
2k views

My Honda Accord shuts off while on driving

Just yesterday i decided to get fuel from a place i usually don't , after driving for some hours my car just shout off , i tried accelerating but i couldn't so i parked . After some minutes i tried ...
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3answers
32k views

I accidentally fueled my car with E10 (10% ethanol). What should I do next?

So I have a 2000 Honda Civic LX that is around 130k miles now. In Las Vegas, I put E10 (I hadn't known what it was before this...), and had to get it fixed. The engine light had started blinking and ...
8
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5answers
6k views

Is there something I can use to replace a fuel gauge sender float?

The little ball that's attached to the fuel gauge sender in my car has a hole in it meaning that the fuel gauge isn't working. It is not possible to buy a replacement float - the whole sender unit ...
3
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3answers
497 views

Fuel efficiency and altitude

So a few months ago I moved from Colorado (~6400ft above sea level) to Florida (~10ft above sea level). Immediately after I moved the fuel efficiency in my car dropped significantly. Previously I was ...
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0answers
45 views

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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0answers
46 views

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 ...
2
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1answer
1k 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 ...
3
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2answers
53k views

Sputtering and jerking while driving

I have a 2003 Ford Focus and it started sputtering a month ago. I've put gas treatment in and if I keep a full tank it's fine, but once it gets around half a tank it sputters. Now it sputters the ...
2
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1answer
9k views

Altima 2006 2.5 S Code P0462 = Fuel Level Sensor A Circuit, Low Input Fuel Gauge Is Inop

My fuel gauge does show a full tank when filled, however as fuel is used the gauge will not read accurately. I'm getting the fault code - P0462 Fuel Level Sensor Circuit Low Input Which is setting ...
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3answers
1k views

Low fuel pressure in Ford Escort/Mercury Tracer

My OBD shows that I have low fuel pressure in a 1997 Ford Mercury (tracer). Do I have to replace the fuel pump? If so, do I have to replace the whole thing or is it enough to replace just the motor ...
2
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0answers
49 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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0answers
37 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
66 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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0answers
170 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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5answers
5k views

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 ...
7
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5answers
22k views

Car is sluggish, jerking, and idles rough

I have a VW Polo Classic, 1.6L. Just recently it started to be slightly jerky when in idle and whilst driving. There is also a loss of power, a strong fuel smell, and sounding slightly like a VW ...
84
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11answers
91k views

Does the amount of fuel in the tank matter?

As long as there is some fuel in the tank, does the fuel level matter? In other words, is it advisable to make sure the tank is mostly full most of the time, or is this just silly? In other words, are ...
4
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1answer
576 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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1answer
69 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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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
32 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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2answers
3k 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
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3answers
3k views

Can't get gas in my truck

I have a 2004 Chevy Silverado. When I go to put gas in my truck it stops after like 3 dollars worth of fuel. Since I know it's not full, I click it again and gas shoots back out at me. What do you ...
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0answers
29 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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0answers
946 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 ...