Reatta V6-231 3.8L VIN C SFI (1990)
![background image](/buick/reatta/v6-231_3.8l_vin_c_sfi/Page-1432002.png)
Proceed with the diagnostic flow chart (Figure 1) to aid in identifying the possible cause of the condition.
Note:
The new revised calibration MEM-CALS may slightly affect fuel economy (usually less than 1 mile). Be sure to advise the vehicle owner of this fact.