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Questions tagged [air-intake]

The point at which air enters the intake tract of a motor vehicle or stationary engine

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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 ...
Evan Carroll's user avatar
3 votes
2 answers
309 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 ...
Tintin's user avatar
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1 answer
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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 ...
AA040371's user avatar
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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 ...
neurosis737's user avatar
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70 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 ...
JoSSte's user avatar
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2 votes
1 answer
120 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 ...
Alex C.'s user avatar
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0 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.
Jessica Tierno's user avatar
2 votes
1 answer
356 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 ...
Matt Lacey's user avatar
3 votes
0 answers
238 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 ...
James H's user avatar
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2 votes
3 answers
650 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 ...
e_i_pi's user avatar
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2 answers
299 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 ...
Guilherme Dutra Moraes's user avatar
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0 answers
110 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 ...
Inetquestion's user avatar
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0 answers
46 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 ...
user11385063's user avatar
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 ...
Jenn's user avatar
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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 ...
Mr. Spock's user avatar
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1 vote
1 answer
583 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 ...
Peter Meisrimel's user avatar
-1 votes
1 answer
748 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 ...
Raydar's user avatar
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0 answers
124 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 ...
tyler mackenzie's user avatar
1 vote
0 answers
46 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 ...
Ryan Stone's user avatar
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0 answers
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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 ...
lpuerto's user avatar
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1 vote
1 answer
497 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 ...
Wendy Chambers's user avatar
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 ...
Linux_user0987's user avatar
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 ...
adatum's user avatar
  • 263
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 ...
James Wilson's user avatar
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2 votes
0 answers
78 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 ...
MatMis's user avatar
  • 131
0 votes
2 answers
399 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 ...
Cameron Roberts's user avatar
1 vote
2 answers
145 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 ...
Brian's user avatar
  • 11
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 ...
ajayel's user avatar
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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, ...
amphibient's user avatar
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1 vote
1 answer
248 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'...
amphibient's user avatar
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1 vote
1 answer
498 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 ...
Ashish Verma's user avatar
1 vote
0 answers
432 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 ...
Gus Hogg-Blake's user avatar
0 votes
1 answer
330 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 ...
Lukas's user avatar
  • 53
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 ...
With A SpiRIT's user avatar
0 votes
0 answers
267 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 ...
Nick's user avatar
  • 111
2 votes
1 answer
570 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 ...
MplsAmigo's user avatar
  • 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 ...
MathuSum Mut's user avatar
2 votes
1 answer
116 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....
Salvador Martinez's user avatar
3 votes
1 answer
58 views

Focus 2003 1.8 TDCI starts, but struggles to start in the morning

I have a question, well two. Basically I have bought 2003 Focus TDCI but it is struggling to start in the morning? It's not exactly cold, so I don't understand why it would struggle. It has been about ...
Scott's user avatar
  • 31
1 vote
0 answers
247 views

Driving through a puddle

I have already asked a question on this board but I have another question. Sorry I am not good with cars so I don't know the lingo.I have a 2017 Chevy cruze. I drove through a deep puddle at about 40 ...
Dina's user avatar
  • 11
0 votes
2 answers
222 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 ...
AdoobII's user avatar
  • 111
0 votes
1 answer
906 views

Can removing temporarily disconnecting filter damage car or not?

I bought a civic vti and when running the car the vtec didnt sound as loud as the test drive. the seller told me that was because he removed the 'whales penis' modification which I had agreed to. He ...
James Wilson's user avatar
  • 2,736
0 votes
3 answers
265 views

Why wont my Toyota dual cab 2004 3.0lt turbo diesel wont go over 100km/hour

I have just bought a new Hilux, its had work done too it aswell as been RWC approved and registered. But i notice yesterday coming back home that it was struggling to get up to 100 or over. I am ...
kimberly s's user avatar
1 vote
1 answer
262 views

Audi TT Turbo and Dump Valve Issue

I've picked up a 1.8 TT Turbo Quattro which has been fitted with a K&N filter and dump valve by the previous owner. My (basic) understanding of how this works is that it should release the air ...
Toby Cannon's user avatar
2 votes
1 answer
342 views

What are the possible causes for the car to increase power by itself?

I have a 1993 Fiat Panda 1.0 i.e. (gasoline) with single injector. Last year it started to present a very specific issue: from time to time (but basically now it happens every time I drive the car) it ...
FarO's user avatar
  • 632
1 vote
2 answers
8k views

Would it make sense to put a cold air intake in the 'stock' air filter box?

I have an Audi A6 C6 4F2 - 2.4L V6 and I'm wondering if I should put in a cold air intake. As seen on the picture right here (left side), there isn't much space.. I was thinking to put the ...
Paramone's user avatar
  • 570
4 votes
4 answers
6k views

Does cooler air improve turbo performance?

When modifying NA cars I've always been advised to try and protect the intake from heat soak from the engine bay because the engine performs better with cooler air. This makes sense. I now have a ...
James Monger's user avatar
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 ...
Crawdingle's user avatar
2 votes
1 answer
127 views

Seafoam Spray in 2008 Accent

Good day, My GLS Accent has a 1.6 MPI automatic engine that I bought new in 2008 has about 150,000 Kilometers on it. With basic service (not from dealers), petro 91 octane fuel and synthetic amsoil ...
jan's user avatar
  • 21
2 votes
1 answer
2k views

What to use to seal airbox gaps

Bike is a 2006 ZX-10R. I've taken out the screws in the air box to split it into two halves for cleaning (not just taking the lid off). Putting it back together, I'm noticing some gaps that were ...
raydowe's user avatar
  • 3,012