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Crankcases and PCV Valves
Basically, a crankcase is the casing for the crankshaft of an internal combustion engine. Combustion produces pressure within the crankcase. Positive crankcase ventilation (PCV) valves regulate the vapor pressure within the engine and recycle it back into the engine.
1,344 Questions
How do you reset the check engine light on a 1997 Mazda 626?
"Disconnect the negative terminal and push brake pedal for 30 seconds" worked great! One note: You must use actual key to unlock doors after battery disconnect to reset car alarm so car will start.
I recomend getting the car checked out by a professional. And you never unhook the positive battery cable first, you always do the negative firstl. And sometimes when you do this it erases the computers memory. so take to a professional.
If you HAVE TO, disconnect the negative battery terminal. Put your foot on the brake pedal for 30+ seconds.
I tried the previous answer of removing the negative battery cable, and holding the brake pedal for 30 seconds and it WORKED!!! Just got back from the emissions test, and passed. THANKS!!!
I got check engine light problem just happened few hours ago, my car is 1999 Mazda 626 ES, and I tried the previous answer of above- revmoving the negative cable as well. It REALLY WORKS. It saved my time & money ^^
[Apr 27, 2008]Just applied this method "disconnect the negative battery terminal. Put your foot on the brake pedal for 30+ seconds.", it just worked perfectly. Save me lots of worries and trouble to send the car to mechanics. Thanks so much to the one who posted this method.i just used removed the negative battery and stepped on the brake for 30 seconds on my 2000 626 es and it worked! saved $80
Just did wt u said and it really works...thanks a million
Same thing works on a 2006 MX 5 Miata....light came on due to loose gas cap and I sure did not want to pay the dealer to reset the dang thing.....Advisable to check out why you have the light at AutoZone or most other parts houses before you reset the light.
a car scanner can help you.
Location of PCV valve on my 1997 ford explorer xlt 5.0 v8?
I believe it is at the back of the motor behind the intake manifold on the 5.0 L
For engines, it's great. For people, it's toxic. For the environment, it's horrible.
The 5.4l engine has 2 PVC valves one on each valve cover in the middle of the motor. They are black and are 90 degree angle plastic pipe
Where is the PCV valve on a 1996 Chevy Camaro 3800 v6?
On a 1996 Chevy Camaro, the PCV valve is located on the right side of the valve cover. There is a hose that runs from the PCV valve and connects to the back of the intake manifold.
Where is the PCV valve located on a 2001 Mazda trbute?
on the v6 engine. look at the throttle body, below that you see the fuel line, and blow that you see where the fat radiator hose goes into the motor, its behind that! after you pull the rubber tube out, I used a deep socket to twist it out. test fit the socket with your replacement valve. not exactly the right shape, but works.
Where is the PCV valve located on a 2000 5.3 vortec?
On top of the air filter is a diagram that shows you where the PCV valve is located.
Where is the PCV valve located on a 2008 3.8L Chrysler town and country?
It is on the top of the rear valve cover.
It is on the top of the rear valve cover.
Where is the PCV valve on a 2000 Nissan Altima?
I was looking for an answer to this question myself, and found it answered at: talkaboutautos.com
Where is the IATintake air temperature sensor on 1999 vw jetta GL?
an iat sensor is almost always located inline with the intake tube. i work on so many vw's at heart volkwagen i cant remember exactly where it is. if it is a turbo it will be most likely mounted on the inercooler. just check for a 2 wire sensor online with the intake tube.
Where is the pcv valve on a 97 Mercury Villager van?
It's located on the back side of the intake manifold. It's screwed into the manifold.
Where is the PCV valve located on a 1992 Pontiac LeMans 4 cylinder?
It should be located right on top of the valve cover, if not then it would be inline with about a 3/8" hose leading over to the intake manifold. There are not that many vacuum lines there, so it shouldn't be that hard to find. The PCV system utilizes a fixed orifice in the intake manifold. There is not a replaceable valve according to Alldata.
Where is the pcv valve located on a 1999 Infiniti G20?
on the side of the valve cover on the drives side.
How do you fix a build up of pressure in engine of 98 ford escort zx2 if there is no PCV valve?
the pcv valve is on the back right of the valve cover if not get one
A PCV valve is used to control the?
A PCV valve is used to control the air that enters the crankcase.
Where is the PVC valve located on a 1996 thunderbird with a 4.6l engine.?
It is located under the duct that feeds clean air from the air filter box to the throttle body. This is on the passenger side.
How much oil is needed in kawasaki kx 500 crankcase?
Transmission Oil SE Class SAE 10W30 or 10W40
- Capacity 0.8 liter
- Level M/C vertical, wait 5 min., the level will be the middle of in window
Where is the PCV valve for the 1999 Nissan Maxima?
The PVC valve on a 1999 Maxima is located in the rear valve cover just behind the throttle body.
Where is the pcv valve located for a 2000 Buick Regal LS 3800 series II motor?
The pcv valve is located under the map sensor in a plastic housing. If you stand on the passenger side of the vehicle and look under the hood, the map sensor is the sensor right in front of you. It should have three wires going to it. If you look closely, the sensor is clipped into a type of cap. If you grab the cap the sensor is clipped into and twist it counterclockwise, it should come off and the pcv valve will be inside. You may need new orings to prevent oil consumption. You may also need a needlenose pliers to remove the sensor from the upper intake manifold. Russtech67 you don't happen to have a pic. of the location? where it shows some details, I tried to find it, but no luck
Location in vechicle of PCV valve on 99 dodge ram v-8 large engine?
it is located on the right (passenger side) valve cover on your engine
Why oil pressure drop as an engine reaches operating temperature?
As the oil heats up it goes it flows much easier. This requires less pressure to move the oil throughout the engine. ALSO as described above, the viscosity (thickness) of the oil ,decreases which in turn makes oil flow, even in the narrowest area's, more freely. like electricity, more resistance, less current/flow, voltage (pressure) increases. but the reverse is also true..LESS resistance(thinner oil viscosity) when oil is hot. resistance to oil flow decreases, and the pressure (voltage) decreases.
