P0491 Code Uncover the Causes and Solutions

I bought this for my 2003 E46 BMW 325xi to fix the check engine light for code P0491 and P0492 which showed an error on the secondary air injection. Diagnose ... Ffs love the car… but these issues lol!! Left engine mount leaking needs replacement, front controll arms bushings torn, then P0491 air ... P0491 and P0410 Codes Secondary Air Injection System ... Background on the car... 2007 Fusion w/ roughly 54k on the clock....no issues with the ... Claim your FREE engine code eraser https://free.nonda.co ============================= nonda Auto DIY Center is the biggest auto DIY ... And this video will be diagnosing a p0491 secondary air injection low-flow on this Volkswagen Passat with a 2.5 L engine. Hello Everyone, So I'm having this issue with makes my check engine to light up every now and then outputting this error code P0491 and ... 2011 458, the CEL came on. I drive back home and hooked up my code reader, it showed a P0491 Secondary air injection system, Bank #1. Anybody have this problem? I'm getting code P0491–Secondary Air Injection System Insufficient Flow Bank 1. I've cleared it twice and it keeps coming back. Does anyone know ... The OBD-II fault code P0491 means that the Secondary Air Injection System is not providing enough airflow into the exhaust system during ... This system is only used at cold start and has no effect on the performance. It injects air into the exhaust manifolds for more complete fuel burn.