how many oxygen sensors are in a toyota corolla '99?

Answer 1

2

Answer 2

how many oxygen sensors are in A Toyota corolla 2009

Answer 3

If the code is P0420, you probable want a catalyst converter. O2 sensors have distinctive codes while they're faulty. Why the OEM cat is so costly? because of the indisputable fact that's a slightly long exhaust pipe blended cat in. The cat has 8 one year / 80, 000 mile guarantee via Federal regulation. in the experience that your vehicle has much less the 80,000 miles on it, any Toyota broker might desire to replace the catalyst converter for you loose. in the experience that your vehicle has extra advantageous than 80, 000 miles on it, first enable the Autozone human beings clean the code for you, and carry out a little upkeep provider, and proceed to force it as generic. in some circumstances the code would not come decrease back. After industry cats do no longer continually paintings nicely. some final little while, and a few final relatively long term. in case you surely want a cat, i do no longer think of PeP Boys is your first determination. to keep funds, pass to a muffler/exhaust shop the place they are able to decrease the outdated cat off and weld the hot one in. yet long the hot cat will final count on your success. good success.

Answer 4

Two, one before the cat and one just after the cat. The one before the cat helps with fuel trim, the one after checks to see if the cat is working.

Answer 5

Two.
Goto the link below and click in the ARRC button. You can navigate to your car and view the wiring diagram and other info.