Engine - Backfires Excessively

87isuzu03

BULLETIN NUMBER ISSUE DATE GROUP
SB87-03-004 September 15, 1987 EMISSIONS
P'UP (KB) AND TROOPER II (KT) EXCESSIVE BACKFIRING (GASOLINE ENGINES)
VEHICLES AFFECTED

1982-1987 P'UP (KB) and Trooper II (KT) models with gasoline engines.

FIGURE 1:

SERVICE INFORMATION

Excessive backfiring may be caused by a clogged gas vapor filter. Filter is located between the intake manifold and the mixture control valve. Figure 1 shows typical installation location.
SERVICE PROCEDURE

Replace the gas vapor filter as outlined in the appropriate Workshop Manual.

PARTS INFORMATION


Part No. Description

8-94236-909-0 Gas Filter