Questions tagged [air-intake]
The point at which air enters the intake tract of a motor vehicle or stationary engine
110
questions
0
votes
1
answer
50
views
3M Intake System Cleaner Sold Without Applicator
I purchased this product based on brand name (3M) and after watching the video available as part of the offer attachments, but for some reason didn't bother checking out reviews. I am sure it is a ...
CommunityBot
- 1
-1
votes
1
answer
1k
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.
CommunityBot
- 1
2
votes
1
answer
418
views
What is the glue called sealing the joint between the air box and carb boots on motorcycles? What's an alternative?
I've got two older motorcycles, one 1992 and the other 1997. They've both got specifically shaped airboxes, and both connect to the carbs through four rubber boots, similar to those that go between ...
CommunityBot
- 1
3
votes
1
answer
76
views
Is this water in the engine intakes in the opening of the movie Rush (2013)?
In this question on the movies StackExchange @Gear54rus asks what is the liquid seen in the clip below in the 2013 movie Rush:
The scene takes place at a 1970 Formula Three race in London and there ...
- 160k
1
vote
0
answers
48
views
Does an activated carbon filter on air intake do anything on a high mileage vehicle?
My wife's Toyota Camry has a permanent activated carbon filter attached to the air manifold that contains the air intake filter. The technical part which contains this carbon filter on my wife's 2011 ...
- 617
1
vote
2
answers
151
views
2006 Honda Civic hybrid low idle
I changed my air intake and everything seems fine except I noticed my idle is below zero rpm now the car feels fine. Is the car not use to the normal amount of air it's getting now? It seems to be ...
CommunityBot
- 1
3
votes
2
answers
351
views
Calculating engine air intake per minute
Hi guys i tried to calculate the amount of air liters per minute that an engine consume , so the engine is a V8 diesel 15L max rpm 3000. The 15L displacement is the total size so
15/8 = 1.875 L/minute
...
0
votes
0
answers
49
views
Disconnected hose on a 2018 Ram Promaster 1500?
So I was helping my friend change his oil on his 2018 Ram Promaster 1500. I noticed a hose which was just sticking straight up within the engine bay on the driver's side. I have absolutely no idea ...
0
votes
0
answers
77
views
Is a snorkel sufficient to ford big puddles?
Hypothetically - if the extreme rains and weather continues, would fitting a snorkel be sufficient to allow my ICE car to ford deeper water (assuming that the road is intact of course). I am ...
- 259
2
votes
1
answer
122
views
Where does this socket supposed to go?
I have recently bought a used 2022 Tiguan, SE. the check engine light was on (p0491 - insufficient air flow bank 1) so when trying to check the air pump I found this socket dangling alone near the air ...
- 160k
3
votes
1
answer
3k
views
How to repair this (PCV?) tube?
First, is this a PCV (positive crankcase ventilation) valve tube on the 2002 Chevrolet Impala?
It is hard, non-flexible plastic with hard rubbery grommet-like inserts on the ends, with one side ...
2
votes
1
answer
3k
views
2010 Nissan Sentra - Idling rough in reverse, occasionally stalls when stopping
Been having an issue with my 2010 Sentra where the idle in reverse is very rough and has very little power.
As well when making abrupt stops in drive the car will occasionally stall, but
start back ...
6
votes
5
answers
5k
views
Why do most mass-production motorcycles have their intakes facing backwards?
Almost every motorcycle I have seen has its air intake mounted such that it is sucking in air from the direction opposing travel.
According to fluid dynamics, if the intake is made to face forwards, ...
- 712
12
votes
2
answers
11k
views
How do variable-length intake manifolds work?
I have heard many vehicle manufacturers have been using this to improve power and torque figures.
They do this by altering the length of the manifold, I am hoping for better diagrammatic explanation.
3
votes
0
answers
260
views
P0101, Negative LTFT, Low MAF at idle after Short Ram Intake install 2016 Mazda 6
Installed a Short Ram Intake setup in a 2016 Mazda 6 2.5L, basically a replacement of the stock air intake system and I am now getting a P0101, weird performance stuff, and weird fuel trims.
Fuel ...
- 31
0
votes
2
answers
333
views
Why some motorcycles designs pull air for the intake through its chassis?
I couldn't find this answer nowhere, but i'm very curious about why some motorcycles have a carburetor intake connected to their chassis.
In the image below we can see how the chassis is designed with ...
2
votes
3
answers
674
views
How do I remove this bolt to replace my MAF sensor?
I'm trying to replace the MAF sensor in my Mitsubishi 2003 Lancer ES GLi1.8, and it's bolted into a plastic housing that fits the air filter. The bolts are weird, in that they have a head about 2mm ...
- 1,298
6
votes
2
answers
3k
views
Help me diagnose the cause of this intake valve burn
I would like some help diagnosing the probably cause of this intake valve burn as seen in the picture.
167fmm engine.
229cc OHV push rod type.
Now here is the rub.
this is engine originally 9:1 CR, ...
6
votes
2
answers
32k
views
How to access the Idle Air Control Valve, Renault Clio mk2
I have an idling issue with my Renault Clio mk2 1.2L 2002 - the engine stalls as I slow down at lights and roundabouts etc...
I have been searching the web for solutions to this problem, Most answers ...
- 24.5k
0
votes
0
answers
114
views
Water/Solvents sprayed into running intake to clean carbon deposits?
Recently performed a top engine cleaning using seafoam. After reading about this more, learned this isn't new, and variations such as using water instead have been around for a long time. Interested ...
0
votes
0
answers
48
views
2017 Subaru Legacy Air Intake Removal
I'm trying to remove the grey knob. Sorry, I'm pretty new to cars not sure what that piece is called as I'm trying to clean the throttle body and the air intake is in the way. I tried using various ...
- 4,915
0
votes
2
answers
3k
views
Air intake cleaning/ yes or no?
2007 Impreza wagon 2.5. Previous owner didn’t take car of it and I was thinking of using the CRC intake valve cleaner. I would love your opinions on whether to do it or not. Please explain why it’s ...
- 101
1
vote
1
answer
2k
views
What is the black box between my air filter housing and throttle body?
I recently purchased a 2001 Dodge Dakota 4.7L SOHC. I want to start working on my own vehicles more. But I have very little experience and this question reflects that.
Please correct me if I get ...
- 12.1k
1
vote
1
answer
635
views
What is this part - air intake for Skoda Octavia
The piece in the centre is missing a cap/top of sorts. This is a Skoda Octavia (with a VW Polo engine), front right engine room. Any idea what this part is called? Checking the manual yielded no ...
- 198
13
votes
6
answers
49k
views
Cold Air Intake and Engine Wear
I'm contemplating whether or not to retrofit my car with a cold-air intake and performance air filter. Will doing so lower the lifespan of my engine? That is to say, increase likelihood of engine ...
- 1
-1
votes
1
answer
784
views
Air filter for 1.4 tdci Ford Fiesta
i have a 1.4 TDCI Ford Fiesta mk7 and I would like to know if I can install a cone shaped air filter in this engine in order to have a little bit more sound without looking too "showy".
My ...
- 40
0
votes
2
answers
229
views
High rpm on neutral but flatting the gas pedal on D doesn't increase the rpm
I am making this question as an update to my previous question .
I am not sure if updating that question will draw attention to it or keep it buried in the sea of questions here, if it gets updated ...
- 111
4
votes
1
answer
10k
views
High pitch whistle at a very particular throttle level
The symptom: while accelerating, at a very particular throttle level/pedal angle my engine recently started whistling in a very high pitch. If I let go of the gas or push it in more the sound goes ...
- 1
0
votes
0
answers
132
views
Can I remove my air box and maintain engine characteristics?
I have recently purchased a Yamaha XSR900. I love pretty much everything about the bike, but I am planning a bunch of customizations to make it my own. Mostly cosmetic. Some not so much.
One of the ...
- 163
1
vote
0
answers
47
views
1.9 TDI Skoda Octavia estate with Multiple faults
I recently took my Skoda into the main Skoda garage to get some minor issues fixed,
such as the cigarette lighter not working in the front for my satnav,
a flashing orange coil light on the dash[for ...
CommunityBot
- 1
0
votes
0
answers
76
views
Cranking start from time to time on a VW Golf mk4
My VW Golf mk 4 has been cranking from time to time for the last 2 or 3 years, or perhaps a little bit more. It's not something that always happen and I believe that it's specially prone to do it when ...
- 163
25
votes
7
answers
13k
views
How do cars drive through deep water as shown on many videos online?
I have read many warnings about driving a car through deep water. Some problems that this can cause is destroy the catalytic converter and in petrol engines water can cause damage to spark plugs. And ...
1
vote
1
answer
541
views
HHR - CEL giving codes P0171 and P0326
2010 HHR LT 2.2 has had funny idle with occasional stalling. Had oil changed last Sunday and noticed the air intake hose connecting fender to filter box was unraveling so my Daddy took it off and i ...
- 3,420
7
votes
2
answers
783
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.
...
CommunityBot
- 1
4
votes
2
answers
3k
views
Calculating fuel flow rate through obd || sensor not supporting 015E and 0110 commands
I have been working on a project where i want to calulate fuel flow rate using data from the obd2 sensor. The car on which i was testing didn't support the pid 015E which is for fuel flow rate. Then i ...
- 131
0
votes
1
answer
2k
views
How to know to what extent, if any, an engine has been damaged by dirt?
Today I realised that my engine air filter had been improperly installed. One of the clips of the covering was not closed properly. I think its because I didn’t unscrew the intake pipe while ...
- 12.1k
2
votes
0
answers
88
views
What is this connection on the air intake right before the turbo?
This is the engine bay of a Citroën C5. I would like to know what the connection indicated by the red square is for. I removed the air duct once to check the EGR valve and there was a little oil ...
- 131
0
votes
2
answers
424
views
1986 Dodge B van, 5.2L, heated air intake, replace, leave, or remove?
There is an ugly part in my old Dodge b250 campervan somebody has helpfully held in place with an coathanger. It consists of a duct (with torn sections) from the manifold up to the intake of the air ...
- 1,392
2
votes
1
answer
2k
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 ...
- 484
1
vote
1
answer
264
views
P0022 after fixing P0348, camshaft related
Vehicle: Toyota Tacoma 2006 V6, 155K mi
Problem: I had OBDII Code P0348: Camshaft Position Sensor A and fixed it by replacing the broken camshaft position sensor. However, the check engine light didn'...
- 666
3
votes
1
answer
1k
views
Could broken air filter seal/gasket impair intake?
I am getting a P0101: Mass or Air flow Circuit and noticed that my air filter gasket is getting dangly in places, which might be causing it not to seal well. Could that be causing impaired air intake, ...
- 666
1
vote
1
answer
536
views
Where is air inlet to draw air when AC is in re-circulation mode?
When we put the AC in re-circulation mode. It is supposed to draw the air from cabin, send it to AC for cooling and then throw it out of Vents. But where is in air-intake in this mode to draw air from ...
- 34.7k
1
vote
0
answers
474
views
Could a vacuum leak cause a drop in manifold absolute pressure?
I've been doing some reading and speaking to a mechanic trying to diagnose a hesitation and rough idling issue. I think I've ruled out a vacuum leak by spraying flammable gas around the seals and not ...
- 175
0
votes
1
answer
366
views
Mass Flow Sensor missing
I've recently purchased a Volvo V70 I 2.4 (106kW, 1998, manual) and wanted to check the mass flow sensor for issues. But it appears that my car has none, even though I've seen them in all pictures and ...
- 53
17
votes
3
answers
86k
views
What is the difference between a MAP and a MAF sensor
Generally a car uses either MAP or MAF to determine the air flow index the engine is getting and that older cars used to have MAP and newer ones often use MAF and cars like the Mitsubishi EVO uses ...
- 1
18
votes
7
answers
13k
views
Why or why not increase engine efficiency by running the car "fuel-lean" (using a turbo or supercharger)?
Everyone wants their cars to use less fuel, right? I read the following passage about running the car fuel lean from this website:
Run the engine fuel-lean, that is, use excess air. It is well ...
CommunityBot
- 1
0
votes
0
answers
277
views
Diesel intake heater DIY
I am the owner of an older 3.0 liter diesel car and winter mornings are quite painful for both me and the car. Even though thermostat is fine, heating takes forever. I know diesel only heats up while ...
- 111
2
votes
1
answer
579
views
How does Ken Block's Hoonicorn V2 filter air from the turbos?
Ken Block's 1965 Ford Mustang dubbed the "Hoonicorn V2" features a pair of turbos that stick out of the hood. If you look at the picture of the engine bay there appears to be no air filtering ...
- 123
2
votes
3
answers
3k
views
Would restricting air intake reduce fuel consumption?
I own a Yamaha YS125 which is fuel-injected, and a lot of times I am flogging the bike on full throttle, which increases fuel consumption.
I was thinking of restricting the air flow intake of the ...
- 39.2k
2
votes
1
answer
126
views
Does the air intake system in a VW CC 2010 go around the engine?
I am trying to visualize what the air intake system in my car looks like.
It's a turbocharged 2.0L VW engine.
As I understand it, the air intake is on the front right near the radiator and headlight....
- 13.2k