Engine - Surge or Poor Driveability

87buick01

Bulletin 86-6E-20

Date

Jan. '87

Ref. No. 86-197-6E
SUBJECT: ENGINE SURGE OR POOR DRIVEABILITY

MODELS AFFECTED: 1986 CENTURYS WITH LE2 2.8L V-6 ENGINES (VIN CODE X), 4 SPEED AUTOMATIC TRANSMISSIONS, AND FEDERAL EMISSIONS
Customer driveability comments of engine surge may occur on some 1986 Centurys equipped with 2.8L V-6 carbureted engines. If normal service procedures in Service Manual (Section 6E1, Section B - surges and/or chuggle) do not correct the condition, a new service PROM, Part No. 1228327, with a revised calibration is now available from GMSPO.

Use applicable Labor Time and Labor Operation Number for PROM replacement.