FixVault

Compression Pressure Limit Chart

WARNING: This page is about a different car, the 2019 Ford Police Interceptor Utility and 2019 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
GFD413192Courtesy of FORD MOTOR COMPANY

If one or more cylinders reads low, squirt approximately one tablespoon of engine oil meeting Ford specification on top of the pistons in the low-reading cylinders. Repeat the compression pressure check on these cylinders.