PROM - Poor Throttle Response During Warm-Up
85pontiac04Number 85-6(Gasoline)-21 Date 4/85
Subject: POOR THROTTLE RESPONSE DURING WARM-UP - 1985 2.5L-TBI ENGINES WITH AUTOMATIC TRANSMISSION
Models Affected: 6000, Firebird, Grand Am, Fiero
Some 1985 vehicles with 2.5L-TBI engines with automatic transmissions may exhibit a deep sag in engine speed upon gear engagement after a cold start. Should such a condition be encountered that cannot be corrected by published service procedures, a new PROM may be installed (parts listed below).
Model Part Number
6000 16051305
6000 LE 16051314
Firebird 16051323
Grand Am 16051333
Fiero 16051388