Questions tagged [fuel-injection]

A method of mixing fuel and air to be consumed by an internal combustion engine.

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Car is not smooth after a engine tune up

I have a 2010 Indian Alto 800 car (124530 kms). Few months ago car started to accelerate it self when stationary. Then I sprayed a carburetor cleaner through the air intake and i was able to fix the ...
0 votes
1 answer
25 views

Can a GM TBI intake manifold be swapped on to a Chevy 350 that originally had a carburetor?

I already have the TBI system running, but I'm currently using an adapter to the old Quadrajet spread bore. I seem to recall issue with bolt locations or something.
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1 answer
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Kawasaki GPz1100A1 blink/error codes

Could someone please explain how to Pull blink/error codes 1984 Kawasaki GPz1100
0 votes
1 answer
391 views

Do I need injection, throttle body, and upper intake cleaning?

I have a 2014 Toyota Camry with 52k miles. The last 2 times I've gone to the dealership for regular oil change and maintenance checkups, they've tried to get me to do an injection, throttle body, and ...
0 votes
1 answer
704 views

Replace fuel injector 2013 Ford C-Max Energi (and enter calibration code)

I have a 2013 Ford C-Max Energi (US-California) with about 150kmi, mostly highway commute miles, great shape overall. We get an injector 3 code maybe once every six weeks. We put in a bottle of STP ...
0 votes
1 answer
66 views

Issue with fuel injection pump?

I had been driving a TATA Indica Vista quadrajet 1.3L turbocharged (diesel) yesterday over a total distance of around 250kms. We had like a few stops in between at 5 or 6 places. After stopping it ...
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2 answers
149 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
390 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 ...
0 votes
1 answer
806 views

How to resolve P0456 OBDII code?

What 3 things and in order can I DIY for p0456. Hard start after fueling every time and irregular idle when stopping at lights. P0456 and no other indicator lamps coming on. Didn't replace gas cap.
1 vote
1 answer
2k views

Suspected suction control valve issue, car also hard to start

I drive a Toyota Corolla with a 1AD-FTV engine. This car has become progressively harder to start over the years. Even at 10°C it might take two tries. It still starts without too much trouble, if you ...
0 votes
1 answer
188 views

Should I retard the ignition timing on higher RPM on natural aspirated engine?

I'm confused whether I should advance or retard my scooter ignition timing on higher RPM (> 7000 rpm). When I open the default stock ECU settings, it seems retard the timing excessively on wide-...
0 votes
0 answers
67 views

2000 Mazda protege the efi fuse blows out

Fuse blows out as soon as the key is in the on position. I have unplugged all the fuel injectors and the fuel pump at the tank and still blows the fuse. I'm not sure if I have the correct relays for ...
0 votes
1 answer
115 views

P0171 -- System Lean Bank 1

A few questions regarding P0171 -- System Lean Bank 1: If there is a problem with the fuel-air ratio, which this is basically about, why is it limited to only one of the two engine banks of a V6? ...
0 votes
1 answer
152 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 vote
0 answers
273 views

Opel Corsa D cannot idle on start and dies instantly

I have an 16 year old Opel Corsa D 1.2 80HP ECOTEC and i stopped at a traffic light and after i went in neutral my car couldnt idle and the motor died. It actually stuttered for half a second around ...
4 votes
1 answer
811 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 ...
2 votes
0 answers
99 views

Is port injection better for short trips?

My wife and I are considering to buy a car, but most of our trips will probably be around 2-4 miles long (drive a kid to school and back, stop by a supermarket). And, maybe, one longer trip once a ...
1 vote
0 answers
41 views

Do you still need to tune transient throttle in a direct injection engine?

Transient throttle or acceleration enrichment is a way to model the fuel bubble that's stuck on the intake / valves and doesn't make it into cylinder. So when throttle opened sharply, extra fuel will ...
2 votes
1 answer
91 views

Fuel injected car behaved as if gas-flooded on startup, just once

2013 Toyota Corolla wouldn't start, just one time, then returned to normal. Battery was fine, starter turned over but no ignition. After about 10 or 20 seconds of intermittently trying the starter, ...
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0 answers
251 views

Where is the fuel pressure test port located on the 2012 Dodge Grand Caravan?

I purchased the Innova 3640 Professional Fuel Injection Pressure Tester, and I want to test the fuel pressure on my 2012 Dodge Grand Caravan. Where is the fuel pressure test port located under the ...
-1 votes
1 answer
17 views

1999 300e turbo diesel Mercedes

1999 300e turbo diesel Mercedes who do i call to fix my car underneath gas a fuel leak problem and is getting worse please help me
3 votes
2 answers
162 views

Do Diesel Injectors Usually Group Fire During Cranking?

While I was doing a virtual compression test on my friends 2010 Peugeot Partner II 1.6 Turbo Diesel I hooked a probe up to an injector so I would have a reference point to know which cylinder is which ...
0 votes
1 answer
140 views

Do carburetors protect intake valves from carbon deposits?

For a long time, most car engines were using multi-point port injection that sprays fuel directly at the intake valves. Today, engines are increasingly commonly direct injected. A problem of direct ...
0 votes
0 answers
7k views

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 ...
2 votes
0 answers
79 views

What could cause my BMW 340i to show both engine codes PO171 and PO172?

I have a 2016 BMW 340i which recently turned on the check engine light. FIXD shows me this: I’ve also had two incidents where the car has struggled to start after filling up the tank. The engine ...
1 vote
0 answers
50 views

2002 chevy 1500 4.3l v6 cfsi fuel to fuel rail but not to cylinders

I own a 2002 chevy 1500 4.3l v6 cfsi, fuel to schrader valve on rail, none in cylinders.Could it be clogged injectors?
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37 views

2002 Ford Escape sputters at and accelerates slowly from stops

I ran two cans of sea foam through it. I replaced the fuel filter, I cleaned the MAF and idle air control, and I put a new air filter in it. All that made it a little better but the problem is still ...
0 votes
0 answers
71 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 ...
1 vote
0 answers
142 views

What are the factors that rev hang depend on? Does rev hand depend on the engine load?

I know that rev hangs are intentionally introduced to modern vehicles that operate on electronic throttle bodies, by programming the ecu to close the throttle valve slowly (in gasoline engines) even ...
6 votes
2 answers
6k views

What would cause differences in spark plug wear on a '97FordRanger?

The mileage on these plugs is unknown, as this is a used vehicle w/o a complete service record. All 3 plugs on the driver side (4,5,6) were almost completely eroded. The 3 on the passenger side (1,2,...
0 votes
1 answer
307 views

Can inline plunger mechanical injection pumps pull through the fuel?

I know that they have lift pumps that bring the fuel towards the plungers so that the plungers can push and pressurize the fuel towards the injectors but i was wondering if lets say we removed the ...
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....
1 vote
1 answer
325 views

Peugeot 3008 2014 1.6 turbo - engine fault at 5000rpm

At about 5000 rpm up a hill I get an engine fault message with codes P1336 and P1339. Car gets shaky. Restarting the car and the shakiness is gone. Clearing the codes and car is back to normal, runs ...
0 votes
1 answer
148 views

Are Lift Pumps used in Bosch Kugelfischer mechanical plunger pump injection system?

I know that Diesel Mechanical Inline Plunger injection pumps have a lift pump that supplies the main injection pump. Is it also the same case on Bosch Kugelfischer mechanical plunger injection pumps ...
1 vote
0 answers
447 views

Diesel Injection - Fuel Injector Deviation Help - Engine Rough at Idle

-> My Car Volkswagen Amarok 2011, 155k miles 4 cylinder Diesel 2.0 liter Biturbo Piezo electric injectors + CP4 high pressure pump -> The Problem Engine is running little rough at Idle. The ...
2 votes
3 answers
894 views

Abrupt A/F Sensor Voltage Spikes, STFL, and Lambda Extreme Lean Spikes, Bad Fuel Economy

Mine is a 2013 Nissan Rogue S. I bought it used a month ago and have since been trying to identify the source(s) of its very bad fuel economy, so far to no avail. The car has its own dashboard fuel ...
0 votes
3 answers
63 views

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
1 answer
1k views

How are ignition timing and fuel injection timing controlled?

I understand how the valve timing is controlled by a camshaft with a connection to the crankshaft using either a belt or chain, but the valves aren't the only things that need to be in sync with the ...
0 votes
1 answer
658 views

2003 Toyota Corolla - Cyl Misfire + Lean Mix after month long storage. Possible causes?

I've not been driving my 2003 Toyota Corolla since we were ordered to shelter. Today, I turned it over and found it rough idling. ECU faults show as follow: which reads: Current Fault: P0303 - ...
0 votes
4 answers
1k views

Beginner bike - carburetor vs fuel injection

I'm looking to purchase a beginner motorcycle/bike. I would like something that has less maintenance / potential for issues. Which one is less likely to be an issue in a bike - carburetor or fuel ...
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0 answers
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Idle goes up and down [duplicate]

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
17 votes
7 answers
55k 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 ...
0 votes
0 answers
65 views

What are best steps to diagnose a bucking engine/

My 1992 Nissan with SR20DE (2.0 liter 143 HP o2 and MAF equipped OBD I engine, 16 valve, fuel injected), bucks. I own this car for ten years now and a lot has been replaced. Not always in attempt to ...
9 votes
3 answers
18k views

How much fuel does it take to start an engine?

I appreciate this is a question that can't be answered in facts and figures, so I'm after a general idea. I drive a 1986 Supra, which has a modest 2.8-litre engine. I often shut the engine off while ...
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0 answers
43 views

Seeking information on the accuracy of average Fuel Consumption shown in Instrument Console?

If the speed shown in a motorcycle's instrument cluster is off by let's say ~5 km/h relative to the actual speed, can we say that the average fuel consumption it shows is also prone to show wrong ...
5 votes
4 answers
64k views

Gas pedal not responding

It just doesn't work, as if I weren't even pressing it and it happens regardless of the speed. I have to turn the engine off and on again and it'll work for another 3 or even up to 20 minutes ...
-2 votes
1 answer
202 views

Which model to buy in between TVS Apache RTR 160 4v Carb or FI? [closed]

I am from Lucknow, India. I am planning to buy TVS Apache RTR 160 4v but I am really confused about whether to buy a carburetor version or fuel-injected version of the same. The ex-showroom price of ...
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 ...
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0 answers
3k views

Sudden rattling during acceleration, check engine light

I am trying to diagnose a problem, that suddenly occurred with my dci 2.0 Nissan Qashqai +2. During acceleration, I heard a strange noise, after which the motor started sounding completely ...
2 votes
1 answer
1k views

Difference between banks for AFR & O2 sensor values

This is a well maintained 2007 Subaru with 140k km on the 3.0 litre six cylinder EZ30R engine. She's running a little scratchy most noticeable when cruising although no codes or anything. I decided ...