engine

I searched and found only 2 threads that talk about replacing the motor mounts on an I5. Who has done it and how difficult is it? I already have the inner fender wells out and figured now is a good time to access the mounts, they look pretty cracked. Does the engine need to be supported...

Just purchased my 1st hummer and H3. Has the I5 engine and was a great find. One owner garage kept in great condition. I get home with it a couple days later the engine starts to hesitate between 3rd and 4th gear when slight acceleration. It finally threw a code of P0420. Changed the O2 sensor...

well guys it has been a sad day, my new baby deuce is done. my buddy and i went mudding with mine and his h2. was doing fine until i got stuck on something towards the middle of the pit, tried to grind it out and im sorry to say that the engine f**king crapped on me, she began to smoke and then...

Has anyone had this problem? If so, how did you fix it?Problem:ONLY when I am idled (red light/stop sign/drive-thru, etc...) my steering wheel vibrates like its trying to fall off. Sometimes when I turn the A/C on it stops or as soon as I touch the gas pedal. The vibration has gotten so bad that...