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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.
Symptoms of Bad or Failing Intake Manifold Gaskets
Common signs include the engine constantly overheating, coolant leaking, engine misfires, and a decrease in power, acceleration, and fuel economy.
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
How much to replace intake manifold gasket on 1999 chevy astro van 4.3 engine?
On your model, it probably takes around 4 hours to replace both the upper and lower intake manifold gaskets but if you have rear A/C it is somewhat longer. A gasket kit is necessary because other gasketed parts are removed...
Question
does the plastic intake manifold warp and usally need repacement
There are reports of failure, and consequent leaks, of these plastic manifolds. Indeed, there was a settlement involving a range of Ford products years ago. However, looking at NHTSA data and other sources, I cannot find evidence of any particular...
Question
I have coolant in my lower intake manifold after replacing the gasket in my upper manifold in my 1996 Chevrolet Suburban.
Hi there. If you have coolant in your lower manifold also then at the very minimum you need to blow it out with compressed air. I would recommend removing the lower manifold also to make sure that you get it...
Question
Can a leaking intake manifold cause surging on my 93 Chevy Silverado 1500
Hello. A leaking intake manifold gasket can definitely cause the vehicle to run like this. It will not only cause excessive amounts of air to enter the engine, but it will also cause the sensors to not read right. It...
Question
What other gaskets will I need to replace the intake manifold gasket? 1997 Ford Mustang V6
Hello - the intake manifold on this engine has an upper and lower section. Several gasket manufacturers offer an intake manifold gasket set, which includes all of the gaskets needed to perform this repair. If you are doing this repair...
Question
Intake not fitting onto the cylinder heads.
Hi there. The cylinder head design changed in 1996 to accomadate for the new EGR setup and have a different bolt pattern. Look at the bolt patterns on the intake manifold and the bolt patterns on the cylinder heads. The...
Question
Intake manifold leaking water. How can I fix it.
Hi there. You will have to drain the coolant and remove the intake manifold to replace the gaskets to fix the coolant leak on the intake manifold. If you need further assistance with the coolant leaks, then seek out a...
Question
Car was running rough, so I figured out it was a faulty ICM. Changed that, now car won't even start.
Hello, thank you for writing in. With the new module you installed, there is likely some other issue with an input to the computer. Either that or the computer itself is having issues. You can only test the computer by...
Question
What's wrong when the starts and runs than starts sputtering and the car smells like burnt oil
You need to check the oil and coolant to see if the coolant is low and oil is contaminated with coolant. This engine is known to have intake manifold coolant leaks into the engine and the head gaskets leak coolant....
Question
Did intake gasket. Car now bogs and stalls when started. Maf and misfire codes
Hello, thank you for writing in. Simply pulling the mass airflow sensor is not a good enough test. You will want to test it with a multimeter to get an accurate reading on how it is working. The symptoms you...
Question
Does the intake manifold wear our from use? 2011 Mazda
Hello. Typically intake manifolds do not wear out from use. Your vehicle should have a plastic manifold so unless the engine was overheated at any point it should not wear out. If the vehicle is not properly maintained then it...
Question
1997 Lincoln Town car coolant leak
A lot of these engines had plastic intake manifolds that crack and leak. First the system needs pressure tested to isolate the leak and then a replacement intake may need to be installed. To give a price without seeing and...
Question
2009 Chrysler Sebring intake manifold runner problems
I'm guessing you have the common P2004 code, which stands for 'Intake Manifold Runner Stuck Open.' While the manifold runner valve is a common reason for this code, there are other potential culprits as well. A mechanical problem with the...
Question
Thermostat replacement on my engine.
The thermostat housing is held on by 2 bolts. The back bolt could be either removed by using a universal type of extension and tool on your ratchet, or removing the intake manifold to gain access to the bolt location....
Question
Engine whirls when it is started. The engine makes a audible but not loud WHIRRING (not squealing) sound when foot is on the gas.
There could be a hole in the intake air cleaner hoses or a drive belt that is loose causing the whirling sound. Try removing the drive belt and driving the vehicle for a short time. The battery light will come...
Question
Water inlet tube broke on the manifold 2000 Ford F150
Hi there - yes, it is necessary to remove and repair/replace the lower portion of the intake manifold. The lower intake manifold is where the water inlet is located. For assistance, I recommend an lower intake manifold replacement service performed...
Question
Do I need a new intake manifold
The intake manifold runner control does not come apart and is part of the intake manifold. you will need to replace it as an assembly. The parts and labor will have to be priced locally by contacting YourMechanic.
Question
Short ram intake installation
Hi there. If the problem started after changing out the intake manifold on you engine and the car is new, then the issue is to be a vacuum leak on the engine. Check around the manifold for any loose bolts,...
Question
Instructions Needed for 2006 Buick Terraza Intake Manifold Gasket Replacement
First of all, this is a pretty big job that I don't recommend tackling on your own. However, if you're looking for instructions, you can find a free repair manual for your vehicle on Autozone's website. The 'Zone offers free...
Question
I have a 2002 buick rendezvous and I'm looking to possibly swap the 3400 for an lx9 3.5
The re-designed gasket (Fel-Pro, for example, in the aftermarket) for the lower intake manifold on this engine, and the revised installation procedure, provide a 100% effective resolution to the notorious leak issue that you are referring to. With regard to...

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