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Intake Manifold

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Symptoms of a Bad or Failing Cold Air Intake
Common signs include a reduction in power, acceleration, and fuel efficiency, excessively high idle, and the Check Engine Light turning on.
How Long Does a Cold Air Intake Last?
The cold air intake’s purpose is to help bring cool air into the vehicle’s engine. It does not come standard on modern vehicles. Instead, it is an aftermarket part that can...
Symptoms of a Bad or Failing Intake Manifold Runner Control
Common signs include difficulty starting the engine, the Check Engine Light coming on, engine misfires, and a decrease in power and acceleration.
How Long Does an Intake Manifold Runner Control Last?
Having the right air and fuel mixture in a car’s engine is the only way for it to run at peak performance. Older vehicles really had no way to control...
How a Modern Engine Works
You turn your key in the ignition, and the engine fires up. You press the gas and the car moves forward. You take the key out and the engine turns off. That’s how your...
Symptoms of a Bad or Failing Oil Pump Cover Gasket
Common signs include oil leaking near the timing cover or intake manifold and lower than normal oil pressure.
P2078 OBD-II Trouble Code: Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High
P2078 code definition Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High What the P2078 code means This code will set if the Engine Control Module (ECM), or Powertrain Control...
How to Replace an Intake Manifold Gasket
The intake manifold gaskets fail when coolant is leaking, the engine overheats, or the engine misfires or has reduced performance.
How to Replace an Intake Manifold Runner Control
The intake manifold runner control fails when there is reduced engine performance, the check engine light comes on, or the engine misfires.
How Long Does a PCV Filter Last?
The Positive Crankcase Ventilation, also known as a PCV valve, helps relieve some of the excess pressure produced in your vehicle's crankcase. Using a filtered air flow, the PCV system draws fumes and vapors...
How to Buy a Good Quality Intake Manifold Gasket
One of the key parts of the engine is the intake manifold, whose main role is to ensure that the right air-fuel mix arrives on time at each of the engine’s...

Related questions

Question
Will this service remove my check engine light and allow me to pass emissions?
The answer is "not necessarily" because the Codes you are reciting, P2004 and P2017 do NOT necessarily mean that there is anything wrong with the intake manifold runner control valve itself. The only way to determine if that valve is...
Question
I have an aftermarket intake and it's reading 4.9 psi. Is that good or bad?
Hi there. An intake manifold should read 19 to 22 hg. This is 19 vacuum to 22 vacuum. If you are getting a psi reading, then there is either a turbo on your vehicle or the engine timing is out...
Question
Weird sound from air filter
Hello. You are going to want to inspect the vehicle for a vacuum leak. These can occur in several places. Secondly check all of the hoses involved with the PCV. These may be cracked or damaged. Gasses can build up...
Question
How to remove driver side valve cover
Hey there, thanks for writing in. The reason you cannot get the valve cover off is likely due to the intake manifold needing to be removed before the valve cover will clear enough to get it off the engine. If...
Question
Intake manifold runner control stuck
The IMRC (Intake manifold runner control) is a vacuum modulated solenoid that operates a butterfly valve in the intake manifold. The purpose is to optimize the air/fuel ratio for best fuel economy and drivability. Sometimes the code will refer to...
Question
Is the manifold gasket usually covered under the manufacturers warranty
Hey there. The intake gasket would need to be listed under the covered parts list of the warranty for your vehicle and engine. There has been many changes by the manufacturer of covered components and exclusions over the years and...
Question
I added green antifreeze to my car when it had red in it before. Would mixing the two cause a problem with the intake gasket?
It is not advisable to mix coolant types. Over time, a chemical reaction happens between them. This can cause corrosion issues, and the mixture can begin to gel, clogging small coolant passages in components such as the radiator, intake manifold,...
Question
Vehicle burning oil
Hey there. Every vehicle will begin to burn oil as it ages. It is completely normal and expected. Most likely, there is an oil leak somewhere on the motor that just doesn't reach the ground in the form of a...
Question
Valve manifold is stuck
Hi there. The only thing that you can do is remove the upper intake manifold runner control and replace it with a good used one or a new one. If you need further assistance removing the intake manifold runner control,...
Question
Intake valve control solenoid
Hello - these 2 components mount on each cylinder head, and are partially visible at the "nose" (accessory belt end) of the engine. They use engine oil pressure to vary cam timing relative to the static cam/crankshaft timing relationship. Here...
Question
What tools are needed to change the intake manifold for 2010 VC CC 2.0?
Hi there. In general, you'll need a full metric socket and end wrench set, a few line wrenches for removing fuel lines and wire pliers for removing fuel lines that are secured via wire ties and of course replacement gaskets....
Question
It will shudder and sometimes die on the highway
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor reads the air intake as it is mixed with fuel prior to being injected into the motor. When this fails, this...
Question
The Check Engine Light came up with the code P2017, what do I need to replace?
If you are getting this code it is due to one of two things. The vast majority of the time it is caused by a failure in the variable charge motion actuator, which is the same part that you mentioned....
Question
Intake manifold control valve
Hello there, I am unsure of the meaning of your question for your 2013 Nissan Altima. The intake manifold control valve is used to control the intake runners. Intake runners control the amount of air coming into the intake. If...
Question
Cracked Manifold
Hi and thanks for contacting YourMechanic. If there is a crack in the exhaust manifold, there will be a tick noise or a smell of exhaust emission under the car. For the jerking motion, that would have to do with...
Question
My vehicle is mixing water and oil
Because you have a manual transmission, the mix of oil and coolant can be caused by a leaking intake manifold gasket, a blown head gasket or a cracked cylinder head. The intake manifold would need to be removed and inspected...
Question
My minivan is overheating and there is brownish sludge in the coolant. I already got the water pump and the thermostat replaced.
A brownish sludge in the cooling system can occur for a few different reasons. If two types of coolant have been used in the cooling system, red and green for example, the mixing of these two types of coolant can...
Question
Cold air intake makes engine have sputter sound during shut down.
Hi there. This sound that you are hearing is a normal condition that is occurring. When an cold air intake is installed, there is a larger area for air to accumulate and when the engine shuts off, the air escapes...
Question
Can someone let me know the difference between two parts for the Intake Manifold Actuator. I am getting a code P1004.
Hi there. The part number 4593839AB is referred by the Mopar dealer specific manifold actuator part. The part number 68166449AA is referred by the Chrysler dealer specific manifold actuator part. The two parts are the same, but the difference is...
Question
If I had my manifold, solenoid, transmission, and pedal sensor fixed all within 18 months. Do I have a lemon on my hands?
In order for a vehicle to be considered to be able to claim the Lemon Law, your vehicle would need to be in for service to the dealer for one problems with three consecutive visits without the problem getting fixed....

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