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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).

22 questions with no upvoted or accepted answers
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2answers
211 views

How much oversize should you target when choosing a throttlebody?

This is in addition to my previous question about throttle bodies. I know it may sound a bit subjective, but I think it has a clear technical aspect, and I have done a considerable amount of homework. ...
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0answers
61 views

What could cause an MPFI engine to balk when the throttle is opened?

I'm on the engine sub-continent. The vehicle in question is a Maruti 800 MPFI ; motive power is provided by a Suzuki F8 engine. The vehicle was purchased new, and has been regularly serviced. The ...
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0answers
56 views

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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0answers
16 views

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 ...
2
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0answers
105 views

I have Vespa sxl 150 scooter.It behaves strange while giving aceleration

It may sound funny but i found this after several days. While moving towards west the scooter works well and easily reaches 100 km/hr. But when moving towards east the scooter never go above 85 ...
2
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0answers
447 views

1996 Mazda Soho 1.3 - Idle throttle control valve acting up

I bought a Mazda Soho 121 roughly a year ago, that had an idling problem. After tracing the issue down to the idle control valve (idle would jump from 500rpm to 3500 rpm every second or two), I ...
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0answers
24 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 ...
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1answer
56 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
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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=...
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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.
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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 ...
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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 ...
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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 ...
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0answers
626 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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...