Secondary AIR Diag VW Jetta P0491 part #1 part #2    • P0491 Fixes for  Secondary AIR Inject...   more diag tips for this problem
before you order the sensor and hose check for leaks in the pump or a blockage at the exhaust.
secondary air shutoff valve pressure
sensor with the hose: https://amzn.to/3UlZBe9
Great little code reader: https://amzn.to/3szwa8h
Power Probe 3 : https://amzn.to/3JwdUnJ
VW scan tool: https://amzn.to/49hIRZn
DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I will receive a small commission. This helps support this channel and allows me to continue to make videos like this. Thank you for your support!

This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results, some of the projects could be dangerous if not done properly. Andy the X tech