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  1. P0420 CEL Code - Hesistation Under 3400RPMs

    Ok, here's the deal: I have a '99 Cougar 2.5L V6 5 Speed with ~105,000 miles on it. Bought it from a used dealership at 94,000 miles, and some things have gone bad. Most I already know. Needs: New Oil pan gasket, front right wheel bearing, and a new ICV. There are a few other problems that...
  2. P1519 IMRC stuck closed

    I know there are like a thousand posts on this but i havent really found an exact answer to it? anyone else have this code trip? what did you do to get it to quit tripping?( its been tripping for almost 2 yrs now..) i hooked a genysis scan tool up to it and drove with it and it said that is...
  3. imrc relocation

    2.5L DURATEC Performance
    my 1999 atx has intermittent imrc failure, im going to conclude that it is overheating being bolted onto the block. So i plan to relocate the little module sometime this week when i install my new short ram intake. Any suggestions as to where i should put the imrc, and how i should go about...
  4. Power loss above 4,000 RPMs? Check your IMRC!

    If you are experiencing a loss of power between 4,000 and 5,000 RPMs and have the 2.5L Duratec V6 engine, you may have a problem with your IMRC. If you've been linked to this thread, please read it and try the diagnosis steps below. We have hundreds, possibly thousands, of threads where people...