Diyvehiclerepair
- Where is the PCV valve on a Honda Civic?
- What can a bad PCV valve do?
- When should I replace my Honda PCV valve?
- What happens if PCV valve is disconnected?
- Will a bad PCV valve cause rough idle?
- Does a bad PCV valve make noise?
- How much does it cost to replace PCV valve?
- Will PCV valve cause car not start?
- What happens when EGR valve goes bad?
Where is the PCV valve on a Honda Civic?
Locate the PCV valve. It is in the middle of the valve cover in the rear. There is a small vacuum line that connects it to the intake manifold.
What can a bad PCV valve do?
As the PCV valve starts going bad, the performance of your vehicle will get worse. This can be exhibited by a buildup of pressure in the exhaust or the engine could stall out. ... When this happens, the fuel and air mixture is diluted causing your vehicle to run poorly and lean out.
When should I replace my Honda PCV valve?
PCV valves are recommended from 35,000 -60,000 miles, with most being right at the 50,000 mile mark. Many turbocharged engines require more frequent changes, and may have a secondary PCV valve in the PCV system. PCV valves often fail early, mostly due to a lack of maintenance.
What happens if PCV valve is disconnected?
PCV system routes oil vapours back to the intake to prevent blowing them to the atmosphere. If you disconnect it you'll have a cleaner air available to the combustion process, and so better performance.
Will a bad PCV valve cause rough idle?
The PCV valve works in an extreme environment in your engine, and over time can get filled with sludge and dirt. This can cause the valve to become blocked and inoperative, or it may start to leak. A PCV valve leak can cause the air-fuel mixture to run too lean, and this will cause a rough idle.
Does a bad PCV valve make noise?
Noise from the engine
The PCV valve hose may have a leak in it, which is causing the hissing sound. Leaving this for too long can cause misfires, rough running, vacuum leaks and you will have a more extensive repair on your hands.
How much does it cost to replace PCV valve?
The average replacement cost for a PCV valve is anywhere from $35 to $75. The part itself only costs around $10 or $15. If you know how to replace the valve yourself, you could cut out the labor costs altogether and only pay $10 or $15 for the replacement.
Will PCV valve cause car not start?
A fuel mixture that is too lean to start the engine can also be caused by dirty fuel injectors or a large vacuum leak (PCV valve, EGR valve, any vacuum hose on the engine or the intake manifold gaskets). ... Another overlooked cause of a fuel-related no-start condition may be bad gas.
What happens when EGR valve goes bad?
A faulty EGR valve can cause problems with the flow and operation of the EGR system leading to performance issues including a reduction in power, reduced acceleration and decreased fuel efficiency. ... EGR valves can become stuck 'open' or 'closed' due to a build-up of soot particles, carbon deposits and dirt from fuel.
