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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 should it cost to replace the intake manifold (not just the gaskets) on a 2007 Audi A6 Quattro ?
Hello, unfortunately, this is not a service YourMechanic can offer at this time. Thanks for thinking of us though!
Question
code p1518
Hello there, many faults will cause the P1518 code to be found on your Ford. Without the model and year I can only offer very general advice. The P1528 code is indicating that the intake manifold runner control fault stuck...
Question
How do you disconnect the air hoses from the intake on a 2005 Jaguar V8 ?
You must be talking about those awful squeeze-lock connectors. They are one of those devices that looks good in theory, but stink in practice. The idea is that you should be able to pinch the ring around the connectors with...
Question
I installed a boss 302 manifold on my 13 mustang gt 5.0 and the bolt in the middle pasenger side craked but the other bolts are in.
Hi there. The bolt that cracked the manifold will not cause the cylinder 1 to misfire. The misfire is caused by a faulty spark plug, a faulty spark plug wire, a faulty fuel injector, or a burned valve. Check the...
Question
I hear a small noise every time I accelerate the gas
With the information you have provided, it sounds like you may be hearing the air as it is being drawn into the intake manifold. There are other possible causes, but this is the first thing that comes to mind when...
Question
Car temperature keeps going up and coolant level drops.
Hi there. The milky engine oil is caused when the coolant from the cooling system gets into the engine oil. There are two ways that the coolant can mix with the oil on your vehicle. The first way is through...
Question
What are the three hoses coming from air box on my Buick verano?
Hello, thank you for writing in. There are several vacuum lines associated with the engine intake and throttle. One of which that does run along up towards the firewall is the brake booster line. This vacuum helps assist the master...
Question
Fault code - P1031 - Intake Manifold tuning valve (n136) - set point not reached.
Hi there. Check the air control flap for if its tight or sticking. Also look at the hose connections to the air control flap. Check the intake manifold air control actuator and the intake manifold air control solenoid to see...
Question
Found one black pipe detached when I opened the hood.
Hi there. The black pipe on your engine is the air intake tube. There are two different tubes. On tube goes to the air box where the engine air filter sits in. The other tube goes to a resonating chamber...
Question
Not able to start - 2006 VW Mark 5
Hi there: The P1095 ODB-II trouble code indicates that the O2 sensor signal circuit is slow switching from lean to rich (Bank 1 Sensor 1). When this occurs, it can cause your vehicle to stall rather quickly. However, before you...
Question
Blown head gasket ? 2000 Buick Regal
Hi there - you may be in luck on this one. This GM engine is one of a number of late model V6 engines that develop intake manifold leaks of coolant into the oil pan. Symptoms look quite similar to...
Question
Intake manifold runner stuck closed bank 1. How can I fix this on my car
There are several parts that might be broken that will cause this. The best case scenario is that you have a vacuum line disconnected. Check all your vacuum lines and hose connections first. However, what is much more likely is...
Question
If I replace the intake manifold gasket, is any computer reset involved?
You should not have any kind of computer reset unless your check engine light is on now. If it is on now then you would still need to have it checked and cleared after doing the {intake manifold gasket.](https://www.yourmechanic.com/services/intake-manifold-gaskets-replacement) You...
Question
Intake air flow leaking. What makes this happen?
Hi there. When having the code P0171, the fuel system is too lean. This could be the fuel pump is not working, the fuel filter is dirty or plugged, or the injectors are plugged or not working properly. Check the...
Question
Intake manifold swirl flap leaking air and control bar as come off 2007 Saab 9-3
Hello - this "intake swirl runner" problem may require removal, and repair or possibly replacement, of the intake manifold. The "swirl flaps" are internal to the intake manifold, and work to keep air velocity high during low speed operation for...
Question
I have to pump the gas to get the engine to turn over
Hi..if your vehicle is fuel injected (i.e., does not have a carburetor) by "pumping the accelerator" you are not giving it "extra gas" but rather you are admitting air (or more air) into the intake manifold. Pumping the accelerator on...
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...

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