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1997 Ford Explorer keeps failing emission

Tiny
TPHEOBUS26
  • MEMBER
  • 1997 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
Help please! My car keeps failing emissions, the need new O2 sensors and them a year later I have not put them on yet im about to. But recently I noticed that my truck was not running the way it used to it is shaking real bad and seems like it wants to stall out. Do I need a new Cat converter? Also I was told that I have a leaky gasket on the manafold? Is the shaking from my CAT CON? Or is it something else.
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Friday, March 19th, 2010 AT 2:19 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,874 POSTS
The cat could be a problem. Have you lost power? If not, then the cat is okay. As far as an intake manifold leaking, that would cause a rough idle. Are you sure that all O2 sensors are bad? Has the check engine light come on?
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Monday, March 22nd, 2010 AT 8:57 AM

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