Questions tagged [throttle]
Questions and discussions about a throttle. The throttle is a valve that controls the amount of air that is allowed to pass into a gasoline engine (diesel engines do not have a throttle in this sense).
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2007 Dodge 2500 dying at low speeds / TBI codes
Getting PO122 code - replaced throttle body assembly 3 months ago, so don't believe it is that. Saw something that accelerator pedal could be part of problem, and was able to capture this graph using ...
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New 2.5 hp outboard motor has reduced power at full throttle
I have a new 2.5 hp 4-stroke Mercury outboard motor on a 12-foot aluminum boat:
I've used the motor four times; 15 km per trip.
When I first got the motor, it seemed to have a lot more power at full ...
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p0401 continues to show after replacing parts on 2002 lincoln blackwood 5.4L
P0401 continues to show after replacing egr valve, sensors, cleaned throttle body and still showing P0401 code. What else could be problem, any input will be greatly appreciated.
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What does a throttle valve actuator do in carburetors?
i tried looking online but could not find much information about throttle valve actuators in carburetors. I think they look like this part in the picture below circled in red. What is the purpose of ...
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What is my mechanic doing when he says he tunes the engine on the annual service?
Whenever I take my motorcycle (MT-07/FZ-07) to the mechanic for the annual service the mechanic says he "tunes" the engine. I do feel a difference, especially a much smoother throttle ...
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Coleman mini bike ct200u
My bike just takes off on its own. When I turn the choker on. Not sure what it wrong with it. It’s just take off on it’s own
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Ideal TPS Voltage Range for calibration
Some manufacturers state an ideal range for throttle position sensor which is helpful if you want to calibrate a new sensor or re-calibrate the old one. For instance, they say 0.5 V for idle and 4.5 V ...
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Coleman CT200u problems after upgrades
I recently installed a ARC billet rod, dyno cam, new flywheel, new valve springs. After installing all of it, now when i start the bike, it sounds and runs fine with the choke on, as soon as I take ...
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How come full throttle is meaning full speed instead of the opposite?
I am stumbling about full throttle. To throttle usually means to brake down or slowing down. Technically it is a flap which is reducing the air delivery which is important for the combustion process.
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32/36 Weber carb MGB dies when accelerating but when the progressive second butterfly throttle valve opens it revs fine at high rpm
i have a 1977 MGB with a 2 barrel progressive throttle 32/36 Weber carb. it will idle, but if i try moving at low rpm, the engine will jolt on and off. like if i was pressing the gas but rapidly ...
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Rough idle and stop when I first start the engine in the morning
I have 2005' Legacy 2.0 4AT.
Problem 1
As I mentioned in the subject. When I first start to the engine it's quickly working but somehow if I try to change gear to D it stops (sometimes it's not but ...
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Is it normal to have a slightly open throttle-plate?
Recently I had experienced a Check Engine on 2012 VolksWagen Passat, and the error code was P0106.
After quick research I found that I can replace the Map Sensor as well as the PCV Valve. Both ...
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Kawasaki Eliminator Throttle Cable Discontinued - Ideas?
The throttle cable (open) of my Kawasaki Eliminator ZL 600 (B3) 1997 is torn. Spare part number: 540121490.
It looks like this part has been discontinued. I cannot find any used parts online either.
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IDLE Problem issue, and Throttle Body Specifications Honda Civic LX 1998
Where can I find the throttle body specifications for a Honda Civic Lx 1998, I am searching and I get different results? It is producing an issue in accelerating, and tachometer the dial keeps going ...
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Jumpy/laggy Throttle
Hello I have an issue with my throttle response in 1st and 2nd gear until around 2500rpm,I accelerate and a constant rate and is sluggish until 2500rpm then it jolts the power/ response back to normal ...
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How to use ODB data to detect throttle related emission problem?
Based on OBD II Standard PIDs
PID(hex) 11 Throttle Position value from 0~100%
How could we use this data to predict if there is going to be a problem?
https://en.wikipedia.org/wiki/OBD-II_PIDs
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How can I extend my throttle cable by ~1"
The bracket that my right mirror screwed into broke off right near where it was welded to the handlebar, and I couldn't fix it so I just put a new mirror mount bracket to the right of it and moved my ...
user53983
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I have a seemingly very hard wiring problem to solve
Further to my last question :
I have a Renault Clio 1.2 2010 that keeps coming up with a P0638 (Throttle Actuator Control Range/Performance) error (according the the OBD2 device I have).
One thing I ...
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Does a puddle of Seafoam cleaner indicate a vacuum leak?
Engine is "skipping", cutting out or what seems like a misfire (?) every once and a while.
(Even more so when the AC is on).
To start, did the SeaFoam throttle body cleaner, as shown here:
How ...
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P0101 and P2113 codes removal Kia Rio 2011
I have a KIA Rio Diesel car from 2011. With a diagnostic tool I have read the P0101 and P2113 DTC's:
I had an old and problematic throttle body. I have replaced it with a completely new one and took ...
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Coleman ct200u ex running
I just put a stage 1 performabce air intake kit, carb that's meant for it, and it doesn't properly run. It starts fine and everything was put on correctly. After half a second of trying to give it gas ...
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My royal Enfield classic 350 is not accelerating upto full throttle
My royal Enfield classic 350 is not accelerating upto full throttle..... As we give acceleration in every gear it's acceleration is going till half throttle... From there it's not accelerating and ...
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Honda CRV 2000 Horrible Throttle Response
Problem
I have a 2000 Honda CRV with automatic transmission that has absolutely no throttle response at the low end, especially under load (meaning accelerating especially from standing). It's not so ...
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Why is the engine sputtering even when there is sufficient fuel?
While kickstarting the motorcycle, the engine starts properly. But after travelling some distance, the engine sputters and turns off even when there is sufficient fuel. Then, after few raises to the ...
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If I don't have throttle body cleaner, what can I safely use as an alternative?
Pretty much as the title states, I need to clean my throttle body, but I don't have any 'throttle body cleaner'.
Are there any other common solvents I could use instead, that would be both effective ...
user21327
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Need help to fix code P2138 on a 2007 ES Lancer
This is a 2007 Mistubishi Lancer ES with a P2138 code.
I have replaced the pedal sensor and a complete new throttle body and after clearing the code my engine light eventually comes back on and I ...
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Throttle Body is not close/open smooth?
i have hesitate RPM . today i check my Throttle Body and i think is not close/open smooth. its feel lag when pressing pedal slowly. or its okay? what you think?
Visit https://www.youtube.com/watch?v=...
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Ranger putting oil inside the exhaust
My Ranger 2.2 Diesel 2013 model puts oil inside the exhaust and therefore discharges excessive smokes from the exhaust.
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My 2010 Jaguar XK will very occasionally struggle to accelerate only when starting from low speed
new to the forum! My 2010 Jaguar XK will very occasionally struggle to accelerate when I am running it at low speeds of about 10-15 mph. When I try to go above 10-15 mph, the car will create a lot of ...
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2014 Ninja 300 idle/throttle issue
Back Story
Recently my bike had an issue twice while riding that the throttle seemed like it was sticking. I'd be accelerating and when I let off the throttle, it would continue to accelerate. It ...
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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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06 Jeep Cherokee 8cyl; Auto transmission
It seems that I am annually having to replace the “map sensor” and various parts associated with that. Last week I replaced it again, and next will be the “auto throttle body” or something with the ...
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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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1997 Pontiac Sunfire not accelerating past 40mph
Problem Details:
My 1997 Pontiac Sunfire will turn on but I need to leave it cranking for a bit and give it a little gas, it can run, but when I try to accelerate past 40mph, the revolutions drop ...
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Why do we need coolant in throttle valve body inlet in Opel Astra H?
Opel Astra H has an electric driven throttle valve. As I know, coolant in throttle valve body would control bimetal plate responsible for warming up. Why can't it control warm up process based on ...
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Full throttle and braking
I plan to implement a cruise control system on my old car using an arduino, using info from the speed sensor it will control the gas pedal etc..
I know I known, safety first.. I will be doing a lot ...
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Unknown Capacitor required
I have an automotive electrical issue I am having trouble with, the injection ECU is reacting to the throttle position sensor too quickly and shutting the fuel off on a trailing throttle too early ...
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02 Honda Odyssey transmission revs up or doesn't engage at 25 when off gas and up-shifting [duplicate]
my 02 Honda Odyssey transmission revs up or doesn't engage at 25 when off gas and up-shifting. Here is what happens in steps:
accelerate to 25 in second gear
off gas and upshift to third
immediately ...
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Vehicle alternator voltage/current output's relation with throttle / engine load
I was diagnosing my alternator to find out if it is working properly. It seems like it is doing its job well. Anyway, interesting thing I found out was that the average voltage output from alternator ...
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Ford fusion throttle body?
I have a manual-transmission 2008 Ford Fusion SE. It's a great car but I have been having some problems with it recently. Firstly, the throttle does not seem to close when I let off the gas pedal. If ...
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Replaced throttle body - now horn won't stop honking
This is the final question to my DIY ford ranger repair series. You can see the first two here:
1) Is hot desert weather the source of my recurring car problem
2) Procedure for throttle body and idle ...
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How can I rev a "drive by wire" car from under the hood?
I've got a 2013 Hyundai Accent with a noise coming from somewhere under the hood. Happens only at a fairly narrow band of engine speed (1100-1200 RPM). I've been trying to hunt around for the source, ...
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p0123 - replaced TPS but still dies while driving
My brother has a '96 Plymouth Voyager. He drove it to my place the other day and on his way home it died within a couple of miles. The check engine light was on so I pulled the codes and am getting a ...
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2 Stroke 70CC Scooter Engine
I own a scooter which I blew the engine in Dec 2016. I since replaced the defective parts in it and it now runs great aside of one thing:
Bottom end of the throttle is slugish (I'll elaborate)
It ...
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Why is the throttle on my motorcycle jumpy?
The bike is a 1991 Honda Nighthawk with just over 180,000 miles on it. It is around 230ccs, and has a carburetor.
This is my first bike, so I don't have any idea what is typical behavior for a ...
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Engine halts when turning on AC
I have Wagon R (Maruti Suzuki) 2011 model with Petrol and CNG. Whenever I turn on the AC, engine stops. What could be the possible reason for this?
This is happening in both cases: Idling as well as ...
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350z limp mode and low oil
My 350z went into limp mode while I was highway driving, and the check engine light came on. I noticed that the oil was nearly nonexistent, and added oil. The car still wouldn't get out of limp mode.
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Why Tachometer shows idle RPM range instantly when closing the throttle and clutching
I have studied that, RPM is the measure of how fast the Crank Shaft is rotating.
Lets consider the following case.
You are riding in some speed which shows the engine at 5000 RPM.
Now you are ...
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Bajaj Pulsar 150 decelarating problems while riding
2011 model which has run to 60000 kms and i use it on daily basis with regular oil change & maintenance etc...
Yesterday night i rode the bike close to 20 kms and then came back home , it was ...