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EJ22 EGR PROBLEM. 1997 SUBARU IMPREZA OUTBACK
Posted 29 June 2014 - 10:56 PM
Posted 02 July 2014 - 11:39 AM
You should not need to add EGR to make the car pass.
To do so you'd need the whole intake manifold, and the drivers side head...........Or you would need to drill and tap your head, and the intake manifold (maybe....don't know if the passages are actually there or just "blank")
EGR is for controlling NOx anyhow.......CO I would change plugs, run a few tanks of premium, change fuel and air filter, and an oil change. Unless they say you MUST install an EGR....I would focus on other areas of making the car run right.
Posted 02 July 2014 - 06:24 PM
Posted 02 July 2014 - 10:24 PM
And it wasn't my NOX they didn't measure that just the HC and Co.
That's precisely his point. If EGR controls NOX...then it can't possibly be the cause of your HC and Co failing.
Pretty sure you'll find swapping a non-EGR vehicle to EGR challenging and not as simple as you'd hope.
Posted 03 July 2014 - 01:01 AM
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