Most newer vehicle's have variable valve timing an don't use a egr valve . GM call's their system
Camshaft Actuator System !
Camshaft Position (CMP) Actuator System
The camshaft (CMP) actuator system is an electro-hydraulic operated device used for a variety of engine performance and operational enhancements. These enhancements include lower emission output through exhaust gas dilution of the intake charge in the combustion chamber, a broader engine torque range, and improved fuel economy. The CMP actuator system accomplishes this by, changing the angle or timing of the camshaft, relative to the crankshaft position. The CMP actuator simply allows earlier or later intake and exhaust valve opening, during the four stroke engine cycle. The CMP actuator cannot vary the duration of valve opening, or the valve lift.
I can you ,your vehicle does not use an EGR valve . What make's you ask ?
SOURCE: vacuum to the egr valve on my 89 chevy van with 3o5
Stuck closed. You can't free these up. Gotta buy a new one.
SOURCE: WHERE DO I LOCATE THE EGR VALVE ON MY 2001 CHEVY IMPALA 3.8 V6
The egr valve is located at the end of a hose that plugs into youe valve cover. It is pushed right into a rubber grommet that is located in one of the valve covers. I hope this helps. don.t forget to rate my nswer, thanks
SOURCE: 2006 chevy malibu.... where is the egr valve
If it's a US car then there is not an egr on the 2.2L engine. I think some of the mexican and oversea's engines had them, but not here in the US.
SOURCE: 96 chevy lumina 3.1 engine diagnostics test show
Could be a clog in the tube going to the EGR valve, or in the tube/hose leading away from it!
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