Oct 12, 2020 · P0491 Possible Causes: Intake leak, damaged Air system components, faulty Air system solenoid or relay. The metal gasket could be the source of a leak. You can also …

Feb 9, 2025 · Ok, so I'm getting the P0491 and P0492 codes on my 2001.5 V6 Passat. Autozone couldn't make heads nor tales of it and the car is currently in a shop who's owner can't make …

Aug 26, 2015 · Hey all, I have been having the SES light and codes P0491 and P0492 for a few weeks now and i have done a ton of research to determine how to remedy it. I started small …

Apr 29, 2009 · Last November the Check Engine light appeared on a 2001 325Ci and the diagnostic code reader displayed P0491 and P0492. An independent mechanic replaced the …

Oct 26, 2024 · Secondary air pump system P0491 and P0492 Last November the Check Engine light appeared on a 2001 325Ci and the diagnostic code reader displayed P0491 and P0492. …

Jan 12, 2010 · P0491 & P0492 air flow? air and flow p0491 p0492 1 reading Jump to Latest 18K views 6 replies 5 participants last post by Kilroy2032 Nov 8, 2021

Mar 19, 2023 · Hello, I have 2015 passat 1.8 tsi limited. I got the P0491 code and I am trying to do some diagnostics. I am trying to locate the secondary air pump relay...

Oct 22, 2023 · I have recently bought a used 2022 Tiguan, SE. the check engine light was on (p0491 - insufficient air flow bank 1) so when trying to check the air pump I found this socket …

Oct 6, 2017 · After reading multiple posts I didn't find a post identifying a simple procedure when trouble shooting P0491 P0492, or a post highlighting my specific problem. The procedure …

Sep 6, 2021 · Solving codes P0491/92 and misfiring cylinders codes misfire p0300 p0491 Jump to Latest 3K views 7 replies 3 participants last post by Tomvw Sep 8, 2021