2002 Isuzu Rodeo (misfire, low power case study)
For more information about O2 sensor and fuel trim diagnostics, refer to
Sections 4 and 5 in my eBook available at www.scannerdanner.com.
In this video I cover the following:
loop status (open loop, closed loop and open loop faults)
How to test an O2 sensor for response
Is the O2 sensor lying?
Rich and lean air fuel ratios
Short term and long term fuel trim