P0491 The Key to Maximizing Fuel Economy and Performance

It's not serious. Secondary air injection is used to warm up the catalytic converters during a cold start. You'll have to get it diagnosed to ... It was running like a dream, but recently threw a code. P0491. I checked the code and it's the secondary air Injection. I have had the hardest ... Turns out that a line from the secondary air injection system was disconnected. Pretty sure it happened at the full service at BH Lambo. Discover what a P0491 code means for your Volkswagen and how to troubleshoot related Service Bulletins. Learn the causes, symptoms, ... In this video, I will show you how to fix BMW the air injection codes p0491 and P0492. P0492: Secondary Air Injection System Insufficient ... The P0491 code indicates a fault with the system, typically indicating that the secondary air flow is too low on bank 1. Bank #1 refers to the side of the ... Those codes are for the following: P0491 - Secondary air injection system bank 1. Air mass too low P010F - Mass airflow system (Bank 1 + Bank2) :: Rationality ... Ffs love the car… but these issues lol!! Left engine mount leaking needs replacement, front controll arms bushings torn, then P0491 air ... The code it's showing is p0491: Secondary Air Injection System Insufficient Flow Bank 1. The thing is, I'm fairly certain that I do not have SAI. Here is the schematic for an 03 manual: There should not be a vacuum line running back to the transmission area, if it is open you have a vacuum leak which can ...