Description
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Line pressure control solenoid valve is a Variable Force Solenoid (VFS) type.
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When TCM supplies variable current to solenoid valve, line pressure is controlled ...
OBD-II review
1. Overview
The California Air Resources Board (CARB) began regulation of
On Board Diagnostics (OBD) for vehicles sold in California beginning
with the 1988 model year. The first phase, OBD-I, required monitoring of
the fuel metering system, Exhaust Gas Recirculation (EGR) sy ...