Chevy Oil Pressure Gauge not working - How To Fix - All GM Trucks

How to fix check engine light with P0521 & P0523. Ask My Auto Mechanic show's you the fix to a common check engine light/oil pressure gauge problem with check engine light codes p0521 & p0523. Common fix on GM/Chevy trucks such as the Silverado, Tahoe, Suburban, Sierra, and Yukon models with the 5.3L engine 4.3L, 4.8L, 6.0L, and the 6.2L Family of engines. Comment below to request a how to fix video you would like to see! Conect with me on FaceBook https://www.facebook.com/askmyautomechanic/ Subscribe to me on YouTube (new video every week) https://www.youtube.com/channel/UCXFkbsmVhcDoLQcwEsixQTg Link to amazon to buy the tool http://amzn.to/2eB89JZ