Problem Description and Possible Solution
The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).
Average mileage: 134,833 (80,000–200,000)
Exhaust & Emissions affected: 2.3L 4 Cylinder
16 people reported this problem
I had that problem so I stated replacing spark plugs, 6 things on the gasket, time sensor?, and other replacement as maintenance to correct problem. Now they say I need a catalytic converter which is too expensive. Most have told me its at least a 1000.00 job