900 L4-1985cc 2.0L SOHC (1988)
If driveability problems occur with the engine tuned as specified above, the following steps should be performed:
1.
Install the new auxiliary air valve (Figure 1).
2.
Remove the spring from the vacuum impulse switch (Figure 2). After reinstalling the switch, test for proper function.
3.
Fit the set of Viton injectors. With the engine at normal operating temperature, set idle speed to 900 rpm. Recheck the pulse ratio.
4.
Install new warm-up regulator if necessary. See Note in the beginning of this bulletin.
Warranty Information:
This procedure is not covered by emissions control warranties.
