LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1990 >> Pickup 2WD L4-2.3L (4ZD1) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> System Performance Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

System Performance Check


System Performance Check:




Dwell Meter Readings/Feedback Cycling:





The System Performance Check is used to check the operation of the carburetor duty solenoid and main metering circuit utilizing a tachometer and to check the operation of the Closed Loop Emission Control System utilizing a dwell meter. This check is performed by following the diagnostic chart and referring to the numbered charts under DIAGNOSTIC CHARTS as needed.