Hello all, I have a recently acquired 96 Impreza wagon with the 2.2L 4 cylinder engine. The check engine light came on a few weeks ago, so I checked the code and it came back P0400 EGR which I was told was the Exhaust Gas Regulator (I think I am remembering that right) So I order one and replaced it easily enough. But the light is back on, with the same code, I was told this time that it might be a vacuum leak from one of the vacuum lines.
Here in lies the problem, I have no idea how to do this, it was reccomended to me to leave the engine running and listen for a whistle. I did so, but was unable to hear any whistling. I also tried to squish the lines I could figure, but they all seemed firm and in decent condition still.
Anyone have any suggestions or advice? The car doesnt feel like it is running especially rough, so I am not sure it is even worth investing alot of time.
Thanks for your time!
have the same problem?
Thursday, December 2nd, 2010 AT 7:47 PM