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2003 Pontiac Sunfire PCV VALVE location, removal and installation

I am STILL trying to FIND out 100% for sure WHERE my PCV valve is located in my 2003 Sunfire 2.2 ecotech engine. the local chev dealer said there are TWO ecotech engines for this year, one takes a normal PCV valve and the other has the PCV valve built into the valve cover.

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It's not a PCV valve like back in the day . It's a fix orifice in the valve cover . Where the breather hose hooks to the valve cover . You would need to take the valve cover off an clean the orifice with carb clean or brake clean .

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Am I to understand the pcv is located under the valve cover on a 2003 sunfire?


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please rate as fixed if this helps.

4 cylinder

SECTION 303-08: Engine Emission Control 2003 Escape Workshop Manual
REMOVAL AND INSTALLATION Positive Crankcase Ventilation (PCV) Valve —2.0L Zetec Removal and Installation
  1. Remove the PCV valve.
    • Remove the crankcase ventilation hose from the PCV valve.
    • Remove the PCV valve from the grommet by turning the valve counter-clockwise
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  • The PCV valve can be located in several places. The most common location is in a rubber grommet in the valve cover. It can be installed in the middle of the hose connections, as well as installed directly in the intake manifold.
  • Once the PCV valve is located, make sure all the PCV system hoses are properly connected and that they have no breaks or cracks.
  • Remove the air cleaner and inspect the air and crankcase filters. Crankcase blowby can clog these with oil. Clean or replace such filters.
  • Oil in the air cleaner assembly indicates that the PCV valve or hoses are plugged.
  • Make sure you check these and replace the valve and clean the hoses and air cleaner assembly.
  • When the PCV valve and hose are in satisfactory condition and there is oil in the air cleaner assembly, perform a cylinder compression test to check for worn cylinders and piston rings.
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    okay i'm not 100% sure but it should be on top of the vavle cover or near the intake

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