900 L4-1985cc 2.0L SOHC (1988)
4.
If the valve will not hold a vacuum, the diaphragm is leaking. Replace the bypass valve as needed.
5.
Reconnect the vacuum hose to the vacuum nipple.
Warranty Information:
For warranty repairs use Failure Coding 29153-50-0-01-01. Time allowance is Labor Operation No. 29153.