All Questions
Tagged with fuel-injection fuel-system
48 questions
0
votes
1
answer
169
views
Motercycle won't start after spraying WD40 in fuel line
I own a 2011 Honda CBR 250r MC41 which was sitting idle for a couple of weeks, if started flawlessly except it won't idle at 1.5K and died after a few seconds. So, I tightened loose air box hose clamp ...
- 1
4
votes
1
answer
1k
views
Why does the fuel pump buzzing sound go away after a couple of seconds?
In every fuel injected car that i drove that had electric fuel pump, i always hear the fuel pump buzzing sound after turning the ignition on however after a couple of seconds the buzzing sound goes ...
- 839
0
votes
2
answers
198
views
How to measure engine's fuel consumption?
I know this question might not be new, but I am still asking this question as I haven't yet got any satisfactory answer to this. I have done quite a research on this topic and will sum up it here:
To ...
0
votes
1
answer
569
views
Bajaj pulsar RS200 shuts off while trying to slow down or stop the vehicle
I have been a owner of pulsar RS200;
ODO- 24,650,
idling RPM-1.5,
never touched FI system for servicing,
just gone a round trip of about 400kms, by start of the ride filled tank, while returning while ...
- 1
0
votes
0
answers
103
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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 ...
- 11
0
votes
3
answers
72
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2000 Ram van 3.9l overheated and now runs very rough
First, the belt came off and damaged a vacuum valve inline on the heater core hose. Valve broke and was replaced with straight half-inch pipe temp. But I still don't have heat.
Then the upper radiator ...
1
vote
0
answers
235
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Pulsar 220Fi starter crackling sound
So I've a Plusar 220Fi 2007 model. Engine is in perfect as new condition. However sometimes when I press the start button, I huge crackling sounds can be heard (it's like metal balls are ground ...
- 11
3
votes
1
answer
4k
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Thinking of running E85 to clean my Corvette valves, pistons and heads
I'm pretty sure that I have built up carbon deposits in my 1986 corvette convertible with aluminum heads. I get noticeable pinging when hot and accelerating even with 93 octane gas.
My plan is to ...
- 223
1
vote
1
answer
290
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 ...
- 11
2
votes
0
answers
238
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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 ...
- 484
2
votes
0
answers
2k
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Replace fuel rail pressure sensor in 2006 Mercury Mountaineer?
The car is a 2006 Mercury Mountaineer V6, got about 150k miles. The dealership sale rep is telling me my fuel rail pressure sensor is shorting out and needs to be replaced. Apparently, its causing ...
- 21
0
votes
0
answers
7k
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acceleration bog fuel injection
I have an air cooled single cylinder motorcycle with a bogging down(feels like something is pulling back on the bike making it struggle) problem on acceleration. After many many months of having it I ...
- 421
3
votes
0
answers
739
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What is the normal voltage of 5-wire oxygen sensor (lambda probe)?
I have got a 2007 Opel Vectra GTS 2.2 Direct car (which still has a high pressure fuel pump problem, yet to be solved). Petrol, 114 kW, engine Z22YH.
After getting an P0130-52 (No Plausibility ...
- 41
2
votes
0
answers
51
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Looking for Fuel Injectors for a Renault Clio Expression 1.5 cdi 2006 plate
I am looking at buying a set of fuel injectors for my car but not sure of what part number I can use.
Equally can you buy a manual for car parts?
Any help would be appreciated.
Thanks in advance.
4
votes
2
answers
144
views
Slightly low MPG - need help with my checklist
I own a '91 Ford Sierra 2.0 8V SOHC. Fairly simple engine, utilizes a Bosch L-jetronic fuel injection system. (EFI has following components: MAF, MAP, TPS, IAC, narrow-band o2 sensor, TFI module for ...
- 280
5
votes
3
answers
2k
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Toyota Yaris Fuel Saving
I use Toyota Yaris, 2005 Model, 1.3L, automatic shift, gasoline-powered vehicle, at 141.000KM.
I go to work totally 30KM by my car on the highway weekdays. On the road my maximum speed is 90KM/H and ...
- 53
2
votes
1
answer
210
views
How Long to Power the Injectors for a Fuel Pump Volume Test?
I want to do a fuel pump volume test on my 98 Mazda 62 2L GF, but the WSM doesn't say how long to energize the injectors:
I'll probably activate the injector by back probing the injector ground wire ...
- 15.7k
2
votes
1
answer
440
views
Why Ride by wire when the fuel injector is there
I feel confused on understanding this system on
1. The difference between FI and Ride by Wire
2. how it improves the fuel efficiency when compared to the ride by wire system and conventional ...
5
votes
4
answers
601
views
Why isn't injection managed to use the entire intake stroke?
As far as i know, electronic fuel injectors only know two discrete states, on or off. Under light load (ie. low rpm and throttle) the injector doesn't have to deliver much fuel. So naturally the ...
- 2,954
8
votes
3
answers
44k
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Best way to repair a rotten fuel line?
I believe the feed line in my fuel system has rotted.
If I'm going to cut out the rusted areas and splice a new line in...
Is it best to flare a hardline?
Is steel the OEM material?
How would I ...
- 615
1
vote
2
answers
1k
views
Anyone use a custom fuel line repair kit from eBay?
My fuel line has started leaking and needs to be replaced.
I saw a YouTube video of someone who used this 96-00 Civic 2dr Coupe Replacement Stainless Steel Fuel Feed Line & Rubber Return from ...
- 615
3
votes
1
answer
547
views
Why do injector prices vary so vastly?
I'm gathering components for my setup, and at the moment I'm looking for injectors.
Those things go from $8 at AliExpress to $150+ per piece at the "genuine stealership".
One thing really ...
- 2,954
13
votes
2
answers
2k
views
How to determine injector size for custom engine?
I've got a 2.5 L engine here for which I do not know the performance specs (yet), because it's customized.
I need to select injectors for this build, but there seems to be only one equation on the ...
- 2,954
6
votes
1
answer
950
views
1998 V6 Mustang -20+ LTFT on both banks
I just finished doing a bunch of work on my Mustang (replaced all gaskets down to head gaskets on engine, had the heads milled and a valve job done, replaced all the fuel injectors, new fuel injector, ...
- 63
4
votes
0
answers
71
views
Why did my van hesitate, then stall and not restart?
I have a 1989 Econoline 250 with low miles (60k) was driving on the highway today when I suddenly lost power, tried to give it gas but it hesitated, then stalled so I pulled off. Check engine light ...
- 411
6
votes
1
answer
591
views
2007 Chevy HHR, check Engline light ON, 2 to 4 cranks to start, won't accelerate beyond 80 mph
I took the car to my local mechanic two weeks ago with the problems described above. He replaced the air filter, spark plugs, and did an oil change, saying those were likely the issue.
After these ...
- 61
9
votes
3
answers
5k
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....
10
votes
3
answers
2k
views
Direct Injection Injectors - How do they prevent blow back into the fuel system?
So I imagine a direct injection injector as a fuel injector squirting fuel directly into the combustion chamber. The amount of pressure in the combustion chamber would seem to be enough to push the ...
- 33k
7
votes
3
answers
269
views
How can vehicles run on E?
Sorry if this topic is too open ended I'm new to this site. I am studying engines and how they work and I keep wondering, how do cars with no gas still manage to run for a few extra miles?
If you ...
- 1,701
5
votes
2
answers
2k
views
What is the difference between "multi port" and "combined port" fuel injection?
I have heard these terms tossed around quite a bit and I understand that fuel injection is needed in order to inject fuel in to the engine (from a fuel rail/injectors?).
What is the difference ...
- 7,957
17
votes
7
answers
56k
views
How exactly does running fuel-lean increase the temperature of ignition?
I learned in this question that running an engine fuel-lean will increase the temperature of ignition, among other things such as causing problems with the catalytic converter. I have no idea how or ...
- 7,957
8
votes
2
answers
7k
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 ...
- 7,957
6
votes
2
answers
2k
views
Calculate amount of fuel injected
How do I calculate the amount of fuel injected (both gasoline and diesel cars). I want an instantaneous value.
http://www.rceng.com/technical.aspx
Websites like these ask for 'Desired Crankshaft Power'...
- 1,521
5
votes
3
answers
7k
views
Why is a volume test necessary when diagnosing fuel delivery problems?
I suspect my fuel pump causing intermittent driveability issues. I checked the fuel pressure at the fuel rail and it seems like the pressure is fine: ~2.4 bar at idle, 3.1 bar at engine off (3.09 bar ...
11
votes
2
answers
2k
views
2001 Infiniti QX4 rough idle - leaking fuel damper vacuum port
I have a bit of an involved problem, so I’ll break it down a bit and try to provide as much detail as possible.
My main problem:
I have a rough idle on my 2001 Infiniti QX4. It’s not extremely rough,...
- 707
3
votes
1
answer
2k
views
Burn through old gas or mix it?
Vehicle has been sitting unused for 3 months with a half tank of gasoline.
Is it better to burn through that half tank of fuel, or mix it with a fresh half tank and burn through that mixture?
- 2,255
2
votes
2
answers
154
views
Car wont turn over after trying to get it out of snow
I have a 1998 Mustang V6. Last winter I attempted to get it out of the snow on an inclined driveway. I revved it apparently too hard and the engine sputtered for a moment and stopped. Since then it ...
- 121
4
votes
0
answers
2k
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Retrofit Ford 460 For Fuel Injection [closed]
I have a '78 Pioneer Jet Boat with a Ford 460 Big Block V8 as the power plant.
Right now it has a Holley carb on it. We just started toying with the idea of converting it from carbureted to fuel ...
- 538
4
votes
0
answers
275
views
VW Mk1 Golf - Best way to clean injectors that are free from the engine block? [duplicate]
I'm replacing the O-rings on my injectors (Mk1 Golf - K-Jet mechanical injection) and so will have them free from the engine block. I thought I should clean them at the same time.
Is there some ...
- 3,762
2
votes
1
answer
12k
views
What does 'M10 x 1.00' mean when referring to fuel injectors?
I need to replace some fuel lines (from the injector control to the injector) on my 93 VW Cabriolet. The site that sells the lines has 2 options for the 'Injector Size': M10 x 1.00 or M12 x 1.5.
I'm ...
- 3,762
3
votes
1
answer
3k
views
What is a replacement Fuel Injector for a 1985 Mustang SVO?
I am trying to buy a set of "Brown Top" fuel injectors, which are supposed to have come from a 1985 SVO 2.3 L Turbo. They (obviously) have a brown colored top section and a pintle. I can't see any ...
- 133
0
votes
1
answer
2k
views
Fuel injection mechanism
It is hard to imagine injecting spray of fuels at several thousands rpm. How is it possible to pump liquid fuel at such high frequency?
- 149
7
votes
2
answers
85k
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I have an issue with Stepping on gas and no increase in speed
It only happens rarely.. but sometimes when stepping down the gas
it would suddenly max out the speed gauge, and you hear the very loud engine
noise as if i stepped down the gas all the way, but what ...
- 73
2
votes
2
answers
70
views
1992 Toyota pu 4cyl 4wd won't start
I bought this truck basically blind, not knowing anything but the mileage (over 200k) & that it wasn't locked up. The truck has been parked for over a year, it is getting plenty of spark but no ...
- 21
5
votes
1
answer
19k
views
Motorcycle: Fuel Injection light comes on after 5 mins of riding
I've bought a brand new bike and have had it for about 2 months. Later this week I noticed that after about 5 mins of riding the Fuel Injection light comes back on. I stop the bike, turn the ignition ...
- 3,762
6
votes
3
answers
12k
views
Motorcycle with EFI not starting well
I have a 2012 Kawasaki W800. On cold mornings it is difficult to start - it turns over quite a few times before it catches. This is compared to my old carburettor bike which started instantly with the ...
- 3,762
3
votes
1
answer
4k
views
Engine sputters when accelerating and idle
I have a 1995 BMW 525i, when accelerating car seems to sputter, but as you get up to speed and cruise its fine.
I think it might be the fuel injectors. Where should I start?
- 31
6
votes
4
answers
2k
views
How to tune the ECU / fuel trim in a custom-built engine
I have a Gen VI 454 in my Suburban that needs some work. I'm thinking about turning it into a 496 stroker. Once I find a list of mechanical components (crank, cam, pistons, heads... everything) that I'...
- 1,985