The 2003 Audi A6 is 5 ft. 11.3 in. (71.3 in.)1 subwoofer(s) wide.
Right Side aka Passenger side.
bank 1 = passenger side bank 2 = driver side sensor 1 = pre-cat sensor 2 = post-cat
Troble code P0491 means:Secondary air injection system (Bank 1)
Trouble code P0131 means: O2 Circuit Low Voltage (Bank 1, Sensor 1)
On a 2003 Ford Windstar : firewall 1----2----3 ( Bank 1 ) 4----5----6 ( Bank 2 ) front of vehicle > driver
For 1996 and newer Trouble code P0491 means:Secondary air injection system (bank 1)
Trouble code P0491 means:Secondary Air Injection System Insufficient Flow (Bank 1)
Passenger side and after the catalytic converter O2 sensor.
Trouble code P1113 means: HO2S 1 Bank 1 Heater Resistance Too High
1 octomber 2003
Bank # 1 is the passenger side of the engine