If the 1999 Cadillac Catera idles too fast, the cause could be a faulty idle stop solenoid. It may be damaged or it may have become loose. If it is idling rough or seems erratic, the problem could be a faulty EGR valve. Other problems could be a vacuum hose leak or a clogged PCV valve.
The PCV valve is located in the valve cover
The PCV valve is located in the rocker cover on the passenger side of the engine.
The PCV valve is found in the valve cover on the passenger side.
The PCV valve on a 1999 Astro should be located on top of the valve cover. It plugs in and can be easily replaced.
The PCV valve for a 1999 Regal 3.8 is located on the top of the valve cover. The valve pulls out to replace it.
The PCV valve on a 1999 Bravada is located near the oil filter. It is on the passenger side of the engine compartment.
The 1999 Chevy Geo Metro 1.0 liter engine PCV valve can be found on top of the engine. The PCV valve will be behind the air cleaner housing.
The PCV valve on a 1999 GMC Jimmy is located on top of the engine, on the left side. It connects the valve cover to the intake manifold.
The PCV valve located is on top of the valve cover. It is right beside of the oil filler cap.
Mine does not have one! Some do, and it is on the rear valve cover.
PCV valve is located on the of the valve cover. There is a hose connecting the valve and the intake manifold. You should not have problems locating it.