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).

Filter by
Sorted by
Tagged with
1
vote
3answers
87 views

How to remove this tightener?

This is alfa romeo giulietta, in front of the throttle body.
1
vote
2answers
743 views

Should I give a little throttle after my car starts?

When I start up my 2003 petrol car, as soon as it fires I often give it a dab of the throttle, so the battery recovers. It's fuel injected, no carburetor or anything. I've been told this is pointless....
1
vote
2answers
1k views

Can an engine be 'too lean' at 0%/closed Throttle?

This is regarding an argument I'm looking to settle with my friend, over in particular a Triumph TT600 motorcycle. When off the throttle and above 6k RPM, the engine will 'hang' at 4.5k-5k for a few ...
1
vote
5answers
2k views

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 ...
1
vote
1answer
1k views

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 ...
1
vote
2answers
407 views

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 ...
1
vote
2answers
560 views

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 ...
1
vote
1answer
390 views

2008 Ford Fusion throttle sticking?

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 ...
1
vote
0answers
23 views

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 ...
1
vote
1answer
55 views

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 ...
1
vote
0answers
100 views

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=...
1
vote
1answer
39 views

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.
1
vote
0answers
23 views

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 ...
1
vote
0answers
68 views

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 ...
1
vote
0answers
400 views

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 ...
1
vote
0answers
623 views

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. ...
1
vote
1answer
98 views

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 ...
0
votes
5answers
439 views

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 ...
0
votes
2answers
397 views

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 ...
0
votes
2answers
102 views

Most economical acceleration range

I am designing a GPS based acceleration meter for car. I'm planning to give user some scores based on his various acceleration practices. Not going to the electronics part of GPS, i want to know in ...
0
votes
1answer
264 views

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 ...
0
votes
1answer
4k views

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 ...
0
votes
1answer
1k views

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 ...
0
votes
2answers
176 views

Mustang V6 sluggish pickup during day

Have been driving my stang 2013 V6 for almost 2 years now. Right from the day 1 I have noticed that outside temperature somehow made my cars acceleration/ pickup however you call it become sluggish. ...
0
votes
0answers
30 views

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 ...
0
votes
0answers
13 views

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 ...
0
votes
0answers
31 views

Mazda Demio 2002 75HP 1.5 high engine RPM on idle

I am the owner of Mazda Demio '02 1.5 75HP (engine code B5E). The car has an issue of high RPMs (more than 1000 and hestitating) on idle. What is interesting here is whenever I press and hold the ...
0
votes
0answers
15 views

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 ...
0
votes
0answers
16 views

Vitz throttle hesitation on bumps

I own a Toyota Vitz 2009 and am facing a unique problem. The car loses acceleration at bumps and shifts automatically into neutral with no response from pedal but the engine keeps on running. The ...
0
votes
0answers
40 views

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 ...
0
votes
0answers
2k views

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 ...
0
votes
0answers
65 views

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 ...
-1
votes
1answer
2k views

Driving car with half engaged clutch

Say I am driving my car (Hyundai i10) at 2nd gear. My clutch is engaged. As I increase my throttle position, rpm will increase and so will speed of the car till a point when the speed wont increase ...