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Intake Manifold

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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.
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.
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 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.
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.
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.
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 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 be added once you purchase the car. If...
How Long Does a Cold Air Intake Last?
The 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 be added once you purchase the car. If...
How Long Does an Intake Manifold Runner Control Last?
Having 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 the flow of air that came into their engine....
How Long Does an Intake Manifold Runner Control Last?
Having 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 the flow of air that came into their engine....
How to Buy a Good Quality Intake Manifold Gasket
One 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 cylinders. This small part has a big boost...
How a Modern Engine Works
You 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 engine works, right? It's a...
How a Modern Engine Works
You 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 engine works, right? It's a...
P2078 OBD-II Trouble Code: Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit High
P2078 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 Module (PCM), detects a problem with the position of...
How Long Does a PCV Filter Last?
The 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 from the crankcase and reroutes...

Related questions

Question
Water leaking from intake manifold
This is a common issue on your vehicle. The intake manifold on your vehicle is made of plastic and mounts to an aluminum cylinder head. These materials expand and contract at different temperatures and this creates leaks. This problem is...
Question
Vacuum leak
Hi. This is a very common failure on vehicles like yours. So common, in fact, that there is a technical service bulletin (TSB) on it. The TSB is XT303-13 and it addressed the hissing sound from under the hood, as...
Question
Stalling at Idle
There can be many reasons for an engine to stall. Since the Check Engine Light is on I would start with scanning the computer for codes and moving forward with a diagnosis from there. You may have a vacuum leak...
Question
Leak in manifold
Intake and exhaust manifolds do not effect each other. If you had an exhaust manifold leak then you will hear noise but it should not effect the way the engine runs. If you have an intake manifold leaking then your...
Question
Leak from Manifold
You are correct. The most likely cause of an intake manifold leak, is gasket failure. These gaskets fail for a number of reasons and can be swapped out in a day. The majority of the process is removing the manifold...
Question
Engine stalling
Hello. If the stalling condition is reproducible, it will be easier to diagnose. The first thing to be done is to scan the vehicle for codes and data. There are many reasons for a stalling condition, like fuel pressure, vacuum...
Question
Car leaks oil after oil change
I recommend having a certified technician, such as one from YourMechanic, come out to your car's location to run a diagnostic inspection of your oil leak, and suggest the best path to repair.
Question
Can't pass smog check due to Check Engine light
The Check Engine light requires a special scan tool to determine the issue. Additional diagnostics may be required. An intake leak is common on this engine and may cause leaks, low fluids, and many other issues. With the vehicle sitting...
Question
Bad gas mileage
Hello there. A decrease in fuel milage can be attributed to a few different faults. The most common causes are leaking fuel injectors, oxygen sensors, coolant temperature sensors, vacuum leaks or exhaust leaks. A qualified technician, such as one from...
Question
My mechanic installed a crate jasper and now my intake manifold has cracked. Is this their fault
Many cars and trucks now have plastic intake manifolds and I believe your F150 is one of them. They crack, it's a simple fact of life. The plastic is pretty good, much better than the plastics of decades ago, but...
Question
I have a 94 buick lesabre and the engine has a slight knock and it has white smoke coming out of engine also disconnected pos and.
You should never disconnect the battery while running or it can spike the computer and alternator and damage them. The white smoke is coolant getting into engine from a leaking intake manifold or head gasket leaking. Check upper intake seals...
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
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
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
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
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
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
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
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
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...

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