D50 4WD L4-156 2556cc 2.6L VIN 7 2-bbl (1982)
Fig. 17 Dashpot adjustment
Fig. 19b Air Switching Valve System
PURPOSE
The deceleration systems reduce HC emissions during deceleration.
The deceleration system may include;
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A Coasting Air Valve (CAV) System, Fig. 18a
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An Air Switching Valve (ASV) System, Fig. 19b
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A Deceleration Spark Advance System (DSAS), Fig. 16
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And/or A Dashpot, Fig. 17.
CAV & ASV SYSTEMS OPERATION
These systems are controlled by the engine speed sensor through activation of the solenoid valve.
During deceleration
At engine speeds within the specified range;
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The engine speed sensor energizes the solenoid valve.
