When the hose is off the pcv valve the truck will idle fine but stalls out when put in gear. You can check the valve hose for leaking or blocking and get it repaired via a professional repairer.

This Tunable Pcv Valve Fixes Cruise Woes Amp Engine Leaks
Can a pcv valve cause a car not to start. Rough idle or stalling. Check compression to determine engine condition. If the plunger is stuck open the pcv valve will allow too much air to enter the engine. The engine may have mechanical problems. Start the car and pull the pcv valve out of the valve cover and put your finger over the end of it and see if you feel it sucking. Install a new one.
Can the pcv valve cause your car not to start. When the hose from the intake manifold is put on the pcv valve the truck wont even start. Positive crankcase ventilation pcv valve and connecting hoses. As the pcv valve starts going bad the performance of your vehicle will get worse. If the paper element seems covered in dirt or clogged. This can cause a lean air fuel mixture resulting in a rough idle or stalling.
A very common problem when it comes to a faulty pcv valve on modern cars is that the check engine light is starting to flash on your dashboard. The bad pcv valve may not close all the way so oxygen may get into the combustion chamber. When the engine light is showing up there is a trouble code stored in the engine control module. In addition a pcv valve stuck open can trigger the check engine light due to increased air flow. A faulty pcv valve can cause a number of problems. And a diagnostic computer may erroneously blame this light on a mass air flow sensor or oxygen sensor instead making it harder for you to detect the real source of the problem.
The pcv system is not working properly. The engines piston rings may be worn. A stuck open pcv valve can have an adverse effect on engine starting. Bad fuel economy happens because of bad pcv valve. Generally not a diy job the engines valve seals may be worn. If you havent replace it in more than two years replace it.
As a result the fuel can be lean or rich and that leads to poor fuel economy when the correct amount of oil is not delivered. Would a blocked pcv cause a vehicle to not start or run i have a 2006 dodge ram 47l. This can be exhibited by a buildup of pressure in the exhaust or the engine could stall out. A malfunctioning pcv valve leads to an inefficient fuel mixture.