What does a pvc valve do on a car?

Question:
I recently had an oil change and a new pvc valve put on a 94 Mitsubishi Galant. Now the car stalls before changing gears and cuts off frequently when I slow down or come to a stop. What could be the problem?

Answers:

common problems with 1999 chevy tahoe?

pcv positive crankcase ventilation. it vents the crankcase of excessive pressure into intake manifiold or intake system .it is an emission device . if it is the wrong pcv it can cause the engine to blow someor one oil seal. an oil filler acp can cause a car stall too much fresh air into the enging through the vent valve

santro and getz service(both are small cars)?

PCV positive crankcase ventilation. It removes compression gases from the crankcase to slow oil commutation and to relieve pressure on seals. If it is not the correct one or not connected properly, it might cause what you described.

fuel pump masda mx5?

It's a PCV Valve. PVC is a type of plastic, to put it simply.

Did this cause any damage to my engine?


PCV stands for "Positive crank ventilation". It allows positive pressure to move out of your engine through the air intake and allows the engine to maintain a negative pressure environment. A stuck pcv valve will typically cause "surging" in the idle, which means it will idle for example at 1500 RPM, rather than 600 RPM.

Provblems with acceleration and stalling in 2001 ford escape?


There could be alot of things wrong, and I hate to be the blind leading the blind when I can't be there to diagnose. But it's most likely not the pcv unless you yourself purchased the wrong one and/or installed it incorrectly. Even the kids at quick-e-lubes should be able to install it correctly.

My car's heater isn't working that good anymore. What gives??

It's PCV valve - Positive Crankcase Ventilation. It allows some exhaust gases to re-enter combustion chambers thus lowering temperature in the cylinders which helps reduce NOx pollution AND save some gas.

i have a 2004 dodge with a cummins it will run all day at 60 if i run 70 or more it dies?

That shouldn't be the problem unless they put wrong one in ..

Why does my 1991 Chevrolet S10 shake, shimmy, and vibrate?


Have you changed fuel filters in a while??
that should be done..

85 toyota oil leak?


Cheap gas with alcohol can make a problem like that ..it'll make run rough and idle poorly ..

Passlock I - Boo!?

Patty, This is a device that removes a measured amount of water vapor, piston blow buy, oil vapor from the crankcase. As it is removed it's fed directly back into the intake manifold where it's sucked into the combustion chambers to be reburned. To be short, it helps emisstions standards. Sorry to be technical but I wanted you to see the what's and why's.

My fanbelt on my car is making a noise, how can is stop it?

check for vacuum leaks or clogged up feul filter

I have a 2007 Honda CRV with a Service Engine Soon light on after 4K miles anyone know why?

a pcv valve draws up fumes up from the crankcase and burns them over again.it also keeps the oil from getting deluted.check the grummet or hose.it could be bad and losing vaccum.

why wont my heat stay on in my car 91 acura legend 4dr 217, 000 miles good condition?

It keeps the engine ventilated. You probably have a vacuum leak because they used the wrong valve or didn't get the vacuum line on the new valve right. Look for loose vacuum lines under the hood. They should be making a nasty hissing sound when the engine is running.
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