3.27

It os 1/2*e2x + c

With the Hood up, at the front of the engine you will see three (3) Plugs. Each plug is connected to an Oxygen Sensor and are listed from left to right as follows:

1. OS 1, BANK 2

2. OS 2 BANK 2

3. OS 2 BANK 1

To locate the OS 1, BANK 1, look for the connector located near the left firewall & wiper motor next to the power actuator valve. Starting from each connector, you can find each sensor location.

The factors of 74 are: 1, 2, 37, 74.

bank 2 is opposite #1 cylinder and sensor 1 is front.