P0491 A Comprehensive Guide to Resolving Secondary Air Injection System Malfunctions

P0491. Says its the secondary air injection system. I went to my friends shop here in pittsburgh to check it then we cleared it. Car is running fine but it may ... I got the following two codes: The first one (store trouble codes) P0491 (secondary air injection system insufficient flow bank 1) I did ... This is a known issue with the 3.0T. It's emissions an emissions issue, no damage to your car will happen while driving with the CEL. Case #1: Audi · Check the vacuum element and flap in front of the intake manifold. · Inspect for leaks in the vacuum line. · Consider replacing ... P0491 Secondary Air Injection System, Bank 1 - Insufficient Flow. P0492 Secondary Air Injection System, Bank 2 - Insufficient Flow. Claim your FREE engine code eraser https://free.nonda.co ============================= nonda Auto DIY Center is the biggest auto DIY ... My VW CC 2010 is having a CEL with the code P0491 which means the pressure sensor is not detecting enough air being pumped from the intake into the exhaust. Ffs love the car… but these issues lol!! Left engine mount leaking needs replacement, front controll arms bushings torn, then P0491 air ... The dual codes indicate a system failure. A system failure can be due to one of the following: 1) Air pump failure - This is a fairly common ... The high probability fix of the P0491 & P0492 error is to replace the secondary air valve. The valve is prone to fail over time (seize) and not ...