ive heard twice so far that some of the 2.2 eco's have a egr valve mounted to the exhaust manifold

can you guys check and see if you have 1 , and post back with the year and 8th digit of your VIN # , it is the engine code

also i would like to know what the engine code is with out egr also

 

Dont all cars have egr unless they have been deleted?

 

No EGR's on any cobalts. There was a casting provision in the Ecotec heads prior to 2005 that allowed EGR to be mounted, but none where ever actually used on any Ecotecs that I am aware of.

 

stupid question, what EGR?

 

exhaust gas reciculation

 

oh ok, now its clear as mud... lol

 

Exhaust Gas Recirculation was an older form of emission control. It is similar to a catalytic converter in that it sent unburned gas back through the engine.

 

Ghetto

 

it actully is/was very effective, we just have more tehcnical **** in our cars now

 

its not that technically advanced

and the original egr used on the 2.2 eco was cast into the head , and was used on the first versions on the saturns

none of the cavalier/sunfires used it

and gm changed the head casting , and dropped the V that was on the end of the head

and i guess for the newer emissions standards for certain models they musta brought it back

the brief info i got today was a 06 cobalt 2.2 that had the egr , and im not sure if the other was a cobalt or ion , or the year


and for those of you wanting headers this is a must know , and for the company i work for to make our header listing correct , and see if its possible to offer a header for those that have the egr

 

I really dont give much of a crap about emissions, its just that this EGR deal sounds like it would take power away from the engine

 

it doesnt rob any power from the motor , and is only used in part throttle and cruise conditions and under certain rpm levels

 

I don't belive there is anything other than the 02 sensor that plugs into the header. Unless I didnt hook something up but the only CEL I get is catalyst efficency for bank 1 below threshold for operating conditions p0420

 

I was able to install the Pacesetter on my Ion with no problem so I'm guessing I don't have EGR

 

called the dealer and they say (No on the 06) for the ERG

 

You're all speaking of AIR systems. California emissions most likely.
The EGR system has been eliminated and the exhaust cam cut to perform the same function. See other thread above.

 

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