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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3
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1answer
261 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 ...
2
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2answers
66 views

Low fuel pressure in Volvo S40 1999

My car is Volvo S40 1999 with 2.0 engine. The fuel pressure is on the idle at 2.2-2.3 bars (should be 2.5) and on higher rpm max. 2.6-2.7 bars (should be 3.0). When I unplug the hose that goes from ...
4
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3answers
2k views

2003 Nissan 350 Z won't accelerate

We own a Nissan 350 Z and this morning it would not start. It would turn over but it wouldn't fire. After pulsing the gas a little bit it would start but then letting off the gas would cause it to die....
3
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4answers
4k views

Fuel lines: is Nicopp OK for gas?

I need to replace some rotted under-body lines. I'd like to use something easier to bend than old-school steel tubing - in particular, AGS' Nicopp. At that link, the blurb for Nicopp line doesn't ...
1
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1answer
1k 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 ...
0
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1answer
59 views

Why does my mechanic suggest me to press the clutch when spark plugs tend to flood?

I'm quite a novice when it comes to mechanics of a car. I had a problem recently in my car where it wouldn't start. The mechanic explained that the plugs are flooding and maintenance is needed (a ...
0
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2answers
255 views

Engine stuttering/dying and loss of accelerator

I had recently bought a 1998 Gen 3 Subaru legacy (BH5) with 190k Kms/ 118k Miles on it, for the first month it ran perfect with zero issues. Suddenly one day I started up the car as I was reversing ...
1
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2answers
68 views

Troubleshooting low engine power uphills

my 02 Corolla (230k miles) has low power, especially uphills. I did a vacuum test and fuel pressure test, as I was suspecting a clogged exhaust or a faulty fuel pump. Both readings are normal, ...
10
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1answer
9k views

Leaking Fuel Injector Seal

I recently had to remove the fuel injectors and fuel rail to clean out the EGR ports on my Honda Accord. The EGR port was all clogged up with carbon build up. I replaced all the old o-rings, cushion ...
1
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1answer
39 views

Pontiac LeMans 1.6 TBI - fuel pressure problems

I have a Pontiac LeMans, 1989 year of manufacture, engine 1.6 with Rochester TBI 700. I think that I have a problem with a fuel pressure. Engine idling is bad. Engine idle has 800 rpm with ...
0
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0answers
37 views

JD 6415 diesel engine not starting after fuel injector replacement

This tractor has an inline 4 cylinder fuel injected turbocharged diesel engine. The injectors are pencil-stick style. The original reason why the fuel injectors were replaced is due to excessive fuel ...
5
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2answers
7k 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 ...
1
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1answer
28 views

Should I worry about fuel pump noises after a filter and injector change?

I recently fixed a starting problem with my 2007 VW Rabbit. I ended up replacing both the fuel filter and fuel injectors. After I was done, per the manuals directions, I flushed as much air as I could ...
4
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1answer
26k views

Car sounds and feels like wants to shut off

2000 Mercury Grand Marquis ....... My car sounds and feels like wants to shut off. It started yesterday - I was leaving a friends house and was about 2 lights away from home when i felt this weird ...
1
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2answers
36 views

How to decide which check engine reading is faulty?

03 Honda CR-V. Check engine light just came on. O’reilys scanner gave a long list of readings... wondering if I should try bring it in or figure out a way to narrow it down beforehand.
6
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3answers
10k 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 ...
0
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1answer
258 views

Location of Fuel Pump relay on '07 TSX

I'm having frequent hard starting issues & think the problem is the fuel pump relay. However, I have no idea where this is located, presumably under the dash somewhere. Anybody?
2
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1answer
92 views

2012 Ford Escape with Flex Fuel capabilities

Can Regular gas (not containing ethanol) be used in a 2012 Ford Escape with Flex Fuel capabilities?
1
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1answer
41 views

Diesel engine fuel return pressure — how high above the engine can the fuel tank be

This is specifically regarding an inline six cylinder direct injection, external injectors, and injection pump. Circa 1998. Just a stock standard Diesel motor.... But in general also. The bush camp ...
3
votes
1answer
2k 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 ...
9
votes
3answers
4k views

1999 Subaru Forester - bad acceleration, rough shifting

I have a 1999 Subaru Forester with an automatic transmission and a 2.5 Liter Motor. It has poor acceleration and rough shifting I started to notice 'hesitation' on take off. It just slowly appeared....
0
votes
1answer
29 views

Does the fuel pressure regulator ever go out of calibration?

On GM 3800 SFI engine, does the fuel pressure regulator ever go out of calibration? My FPR does not leak, can I assume it is good? The fuel pressure rises with RPM and goes lower at idle. Is that all ...
1
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1answer
43 views

I have a 1999 yamaha r1 and it bogs out really bad

So I've cleaned the carbs twice on this bike and its like it's not getting enough fuel because it will only run on starting fluid and I've cleaned the tank and got new hoses and still the same problem ...
5
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1answer
71 views

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 ...
0
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1answer
45 views

2002 Chevy Chasis on a motor home

How many book hours to change the fuel pump do you normally charge? We have to drop the tank, we know that for sure
1
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2answers
451 views

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?
0
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1answer
181 views

Glamour fuel injector repair

My Glamour FI bike flooded and was fully covered with water. After drying my bike, I changed engine oil, air filter, and cleaned the silencer and petrol tank. After that, I switched on the bike using ...
0
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1answer
70 views

What do you think of these spark plugs?

Still trying to diagnose an erratic positive fuel trims. Next step will be making sure that the lean condition i have is caused by less fuel delivered or weak spark not a vacuum leak. I pulled spark ...
1
vote
2answers
33 views

What kind of rubber hose to use with fuel vapor line?

I need to replace a fuel evaporation rubber hose and the OEM hose is no longer made. I was looking through McMaster Carr and saw that there were hoses specifically for fuel and specifically for air. ...
0
votes
1answer
562 views

2016 Hyundai automatic Elantra cranks but won’t start

My wife went to leave for work this morning and her car won’t start. I go out and the engine turns over then grinds. Tried to jump it off but same problem. Any ideas?
0
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1answer
70 views

What is the maximum calculated mpg the display will show

2015 Forester, manual transmission. I drive to maximize fuel economy, and have reached 31.5 mpg. And there it stays, for a LONG time, even though by the usual progression it should have incremented ...
0
votes
1answer
58 views

Lowest Fuel trims achieved only in the 1200-1500 RPM range?

This car still driving me crazy. I wrote here before about getting the code P0171 and some suggested a vacuum or exhaust leak. I sprayed some flammable connector cleaner around the intake manifold, ...
1
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0answers
343 views

Audi A4 Going Into Limp Mode

I have an Audi A4 B7 and as soon as I bought it off the lot, it started going into limp mode around 3k RPM. it doesn't go any higher than that even when I rev it. I have replaced the cam follower I ...
1
vote
1answer
196 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 ...
0
votes
1answer
65 views

2 fuel pumps dying due to electrical issues?

I bought a 95 240sx se as a project car with a blacktop sr swapped in it. I bought it knowing it didn't run. It cranks but no fuel pump prime. So I replaced the fuel pump and it started up. After ...
2
votes
2answers
9k 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 ...
1
vote
2answers
203 views

Problem with float height on a Honda CB400T

I might have a problem with the float height on my CB400T from '78. It seems to be running rough at a constant speed, however when i accelerate it'll go away until constant speed again. It's like ...
0
votes
1answer
248 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 ...
1
vote
2answers
88 views

What are these parts? Underside of Mercedes Sprinter close to fuel tank

These are from underside of Mercedes Sprinter close to fuel tank. One goes to the engine, the other to a diesel heater. I think they're too small to the fuel filters or pumps. What are they?
7
votes
2answers
511 views

2002 Citroen Saxo - Clicking / tapping noise from inlet manifold

I have a clicking / tapping noise coming from the inlet manifold on my 2002 Citroen Saxo VTR (1.6 8v) I have manually adjusted the valve clearances (see this video to hear what the engine sounded ...
1
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1answer
87 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?
0
votes
1answer
19 views

Hyundai i20 1.4 glide 2012 model

Evening guys, my car has a very serious problem, it consumes too much fuel and i have noticed that my rev counter is very high when driving, if am driving 100km\h the rev counter would be at 4100rpm, ...
1
vote
1answer
66 views

5 months old Royal Enfield 350 cc stopped all of the sudden

I have 5 month old Royal Enfield 350cc with only 4600 km. My bike stopped in the middle of the highway ... fuel was leaking ... I went to the service center they told me there is an issues with fuel ...
2
votes
1answer
317 views

2002 Kia Spectra 1.8: No power to the control side of my fuel pump relay

I have isolated the issue to no power coming in to the relay coil. I am having issues finding a wiring diagram, or a pcm terminals wiring diagram to help me further troubleshoot the issue. I'm only ...
0
votes
1answer
134 views

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 ...
1
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1answer
32 views

Fuel Resistant Plastics

The environment inside the fuel tank sounds pretty bad when considering saturated petrol vapour. In tank electric pumps are common these days. What sort of plastic should the wire be made from? What ...
2
votes
1answer
4k 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 ...
5
votes
3answers
9k 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;...
0
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0answers
26 views

what can cause vibrations on low revs

This is a 1995 (produced) 2,9D Ssangyong Musso (602EL) whit just 107000Km from new, can this be flywheel or vivration damper, or fuel system (havent made any control yet),
0
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0answers
23 views

Mitsubishi Outlander extended crank

Why would I have an extended crank after replacing all of my injectors and also have rich bank 1&2 codes? Have double checked timing and vacuum,all seems ok. If I shut it off and start it right ...

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