Air Injection Check Valve ( Passenger side bank 2)
Trouble code P1416 means: AIR System Bank 2
Trouble code P1416 means:Secondary air injection (AIR) system
Look for a leak in the port-side vacuum.
Replace the check valve on the secondary air injection system on the passenger side
The P1416 code on a 2001 GMC Sierra typically indicates a problem with the secondary air injection system. To fix this issue, first, inspect the air pump and its relay for proper operation and check for any vacuum leaks in the hoses connected to the system. Additionally, examine the air injection system's check valves for blockages or failure. If components are damaged or defective, replace them, and clear the code to see if it reappears after the repairs.
catalyst system fault
Trouble code P0300 means:Multiple cylinder misfire detected Trouble code P1320 means:Ignition signal primary circuit fault
P1416 is your O2 censors. ANSWER: P1416 refers to a problem in the exhaust system which is, unfortunately, very difficult to track down. Depending on who you talk to about it, you can do nothing and never have a problem or you can do nothing and it can ultimately lead to a problem with the catalytic converter. Damned if you do and damned if you don't.
Trouble code P0000 means: No Fault Found
Trouble code P0753 means: Shift Solenoid A Electrical
I was told at Autozone it is a Knock Sensor Circuit
code for radio sierra