Operation CHARM: Car repair manuals for everyone.

Engine Controls - New Mem-Cal For Incorrect MPG Display


9222buick01

Bulletin
88-6E-23

Date
Jan., '89

Ref. No.
88-257-6E

Corp. Ref. No.
806505


SUBJECT:
NEW MEM-CAL FOR INCORRECT MPG DISPLAY ON-CATHODE RAY TUBE (CRT)

MODELS AFFECTED:
1988 RIVIERAS AND REATTAS


The CRT display for "Fuel Economy MPG Average," on 1988 Rivieras and Reattas may be computed from 15% to 20% lower than the vehicle is actually getting.

A recalibrated Mem-Cal has been developed to correct this condition, and parts are currently available through General Motors Service Parts Operations (GMSPO) under the following part numbers:

SCANNER OR CRT
AXLE SALES CODE MEM-CAL I.D., IF
MODEL I.D. LOCATED ON THIS MEM-CAL IS SERVICE
APPLICATION AXLE DECK LID DECAL INSTALLED PART NO.

1988 Riviera 2.84 F17 3514 16123486
1988 Riviera 2.97 F79 3524 16123487
1988 Reatta 2.97 F79 3534 16123488