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there is one before and one after the catalytic converter.
There are typically 4. * Driver Side Cylinder Bank (front) * Passenger Side Cylinder Bank (rear) * Before 3rd Catalytic Converter * After 3rd Catalytic converter
You can and it will run fine. You will be committing a federal crime that has severe legal consequences Jail and fines can be $10.000
Hard starting, loss of power, excess fuel consumption, check engine light, and a blowing sound under heavy acceleration.
O2 sensor, and catalytic converter can be ruined. You can also cause internal damage to the engine, depending on what the problem is. Have it repaired.
there is one
It has one O@ sensor and one catalyst moniter(downstream O2 sensor). They are both on the exaust system. One is in the front of the eaust manifold which is bolted to the front of the engine, and one is further down screwd into the exaust system, after the catalytic converter.
Grand Am Coupe & Sedan = 185/75-14 Grand Am GT Coupe & Sedan = 205/55-16
Grand Sedan
The Northstar engine uses two O2 sensors. Sensor 1 is located on a bung in the exhaust after the manifold, but before the catalytic convertor. Sensor 2 is located after the catalytic convertor. It's that simple.
If a 1996 Cadillac Sedan DeVille is making a backfire noise from the engine compartment while at a steady speed, it is probably due to a bad oxygen sensor. The vehicle could also have one cylinder that is not firing or a problem with missing exhaust or the catalytic converter.
The address of the Sedan Public Library is: 115 N Chautauqua, Sedan, 67361 1301