Firebird V8-305 5.0L VIN F FI (1987)
Fuel Injector: All Technical Service Bulletins
Engine - Hard Starting/Rough Running
Number 87-6(Gasoline)-7
Date
11/86
Subject:
FUEL ADDITIVE MPFI ENGINES
ALL MODELS WITH MPFI ENGINES
Some Pontiacs may experience a condition of hard starting, rough running, or poor acceleration due to restricted fuel injectors. General Motors Parts is
now marketing a fuel additive detergent to help prevent deposit build up on fuel injectors. The additive part number is 12345104.