Problems with the wife's 99
Hello, this is my first post.
Were having SEVERAL problems with this car.
First, it has a pinging during acceleration. I have Seafomed it and it seemed to quiet it down for about a week or so. Then, I tried the carb tune-up cleaner from the Ford dealer. Same thing, only quieted it down for a week or so.
The car does not do it while in park and reving it.
The car also idles very rough and sometimes we have to hold down the gas pedal to get it to start.
I did notice that the pass. exhaust manifold has a crack in it. I can't see it but after doing the carb tune-up cleaner (the car smokes like crazy)and I noticed smoke coming from the manifold.
The car doesn't seems to have a lck of power due to these problems. There is no water in the oil or oil in the water.
Things that I have done to it so far:
Changed the drivers side valve cover
New coil pack
Took off the upper intake and cleaned it VERY well
Cleaned the IAC
Checked for vacuum leaks
None of the above has changed anything.
Could the cat's be clogged causing this?
Could the ECM be bad?
I'm really lost on this one....
Anyone ever had these problems?
Thanks for any and all info!
Last edited by TJones; 04-30-2009 at 10:02 PM.